Which of the following is most important in determining if a material will be a solid, liquid, or a gas?a. covalent bondsb. intermolecular forcesc. intramolecular forcesd. nuclear forces

Answers

Answer 1

The most important factor in determining whether a material will exist as a solid, liquid, or gas is intermolecular forces.

These forces are the attractions between molecules or atoms that hold them together in a substance. Intermolecular forces include various types such as dipole-dipole interactions, hydrogen bonding, and London dispersion forces.

When intermolecular forces are strong, the substance tends to exist as a solid because the molecules or atoms are tightly held together. In solids, the intermolecular forces overcome the kinetic energy of the particles, resulting in a fixed shape and volume.

As intermolecular forces weaken, the substance transitions into a liquid state. In liquids, the intermolecular forces are still present but not strong enough to maintain a fixed shape. The particles have enough energy to move past each other, allowing the substance to flow and take the shape of its container.

When intermolecular forces become even weaker, the substance becomes a gas. In this state, the particles have enough kinetic energy to overcome the intermolecular forces entirely, resulting in a lack of fixed shape or volume. Gases will expand to fill the available space and have particles that move freely and independently.

While covalent bonds, intramolecular forces, and nuclear forces play essential roles in the properties of substances, intermolecular forces are the primary determining factor in the phase (solid, liquid, or gas) a material will exhibit. Covalent bonds and intramolecular forces hold individual molecules or atoms together, while nuclear forces act within the atomic nucleus and are generally much stronger than intermolecular forces. However, it is the intermolecular forces that primarily dictate the physical state of a substance.

Know more about Intermolecular Forces here:

https://brainly.com/question/31797315

#SPJ11


Related Questions


Determine the concentration of 24.5 grams of cesium hydroxide in 100.0 mL of water.

Answers

Answer:

This data gives a relationship between amount of solute and volume of solution: 5.67 g KCl /. 100.0 mL. To find molarity we must convert grams KCl to moles hope this helps

Explanation:

Please help
a solution of potassium hydroxide (koh) was titrated against a solution of hydrochloric acid. how
many moles of potassium hydroxide would react with 1 mole of hydrochloric acid? (hint: it may help
to write out a balanced symbol equation for the reaction.)

Answers

The number of moles of potassium hydroxide that would react with 1 mole of hydrochloric acid will be 1.

Stoichiometric Ratio

From the balanced equation of the reaction as shown below:

\(KOH + HCl --- > KCl + H_2O\)

One would see that the stoichiometric mole ratio of \(KOH\) to that of \(HCl\) is 1:1.

This means that 1 mole of KOH will require 1 mole of HCl for a complete reaction that obeys the law of conservation.

More on mole ratios can be found here: https://brainly.com/question/15288923

#SPJ4

Why is carbon said to provide a "backbone" in many molecules? (1 point)
Carbon atoms have long narrow shapes, allowing many other atoms to attach to them
Carbon atoms can form chains and branches with each other, and other atoms can attach to these.
Carbon atoms have full shells of electrons, allowing electrical signals to pass through them easily
Carbon atoms have half-full shells of electrons, allowing electrical signals to pass through them easily.

Answers

The correct answer is; Carbon atoms can form chains and branches with each other, and other atoms can attach to these.

Organic chemistry is regarded as the chemistry of carbon compounds and carbon atoms are known to catenate.

Organic chemistry is the branch of chemistry that studies carbon compounds. There are thousands of organic compounds in existence.

The common thread that joins all these organic compounds is that they all contain a long or branched chain of carbon atoms linked to each other. This ability of carbon atoms to self-link forming long chains or branches or macrocyclic compounds is called catenation.

The long or branched chain of carbon is therefore the "back bone" or main framework of the compound.

https://brainly.com/question/9477180

Answer:

(Question 1) Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible?

(Answer) The bonds can shift because valence electrons are held loosely and move freely.

(Question 2) Between which types of elements do ionic bonds occur, and how do electrons act within the bond?

(Answer) metals and nonmetals, electrons transferred

(Question 3) Which kind of bond would occur between sodium (Na, Group IA) and chlorine (Cl, Group VIIA)?

(Answer) ionic

(Question 4) Why is carbon said to provide a “backbone” in many molecules?

(Answer) Carbon atoms can form chains and branches with each other, and other atoms can attach to these.

(Question 5) Which option describes the structure of the electron shells in a neutral carbon atom?

(Answer) The inner shell is complete with two electrons. The outer shell is incomplete with four electrons.

Explanation:

i just finished the quick check UwU

If a temperature increase from 25. 0 °c to 50. 0 °c triples the rate constant for a reaction, what is the value of the activation barrier for the reaction in kj/mol?

Answers

The activation barrier for the reaction is approximately 2665.24 kJ/mol obtained using the Arrhenius equation, which relates the rate constant (k) of a reaction to the temperature (T) and the activation energy (Ea) of the reaction

To calculate the activation barrier for the reaction, we can use the Arrhenius equation, which relates the rate constant (k) of a reaction to the temperature (T) and the activation energy (Ea) of the reaction. The equation is given as:

k = Ae^(-Ea/RT),

where A is the pre-exponential factor, R is the gas constant, and T is the temperature in Kelvin.

We are given that the rate constant triples when the temperature increases from 25.0 °C to 50.0 °C. Let's denote the rate constant at 25.0 °C as k1 and the rate constant at 50.0 °C as k2.

So, we have:

3k1 = k2.

We can plug these values into the Arrhenius equation:

Ae^(-Ea/(RT1)) = 3Ae^(-Ea/(RT2)).

Canceling out the pre-exponential factor (A) and taking the natural logarithm of both sides, we get:

(-Ea/(RT1)) = ln(3) - (Ea/(RT2)).

Simplifying further:

(Ea/(RT2)) - (Ea/(RT1)) = ln(3).

Factoring out Ea:

Ea((1/(RT2)) - (1/(RT1))) = ln(3).

Now, we can substitute the temperature values by converting them to Kelvin (T1 = 298 K, T2 = 323 K):

Ea((1/(298 × R)) - (1/(323 × R))) = ln(3).

Simplifying:

Ea(323 - 298)/(298 × 323 × R) = ln(3).

Ea = (ln(3) × 298 × 323 × R)/(323 - 298).

Using the value of the gas constant (R = 8.314 J/(mol·K)), we can calculate the activation energy in joules per mole (J/mol). To convert it to kilojoules per mole (kJ/mol), we divide the result by 1000:

Ea = ((ln(3) × 298 × 323 × 8.314)/(323 - 298))/1000.

Ea = ((ln(3) × 298 × 323 × 8.314)/(25))/1000.

Ea = (0.693 × 298 × 323 × 8.314)/25.

Ea = (0.693 × 96094.584)/25.

Ea = 66631.066/25.

Ea = 2665.24264.

The activation barrier for the reaction is approximately 2665.24 kJ/mol.

Learn more about the Arrhenius equation here: brainly.com/question/30232477

#SPJ11

Which question would most likely be studied by a physicist?
A.
Were there ever any living organisms on Mars?
B.
Should the government spend taxpayers' money to send space probes to Mars?
C.
How can the forces on a space probe be controlled so it will land on Mars?
D.
What type of substances make up the soil on Mars?

Answers

Answer:

C.

Explanation:

Physicists main field of study is physics. This includes everything from force, matter, energy, and even time among other things. Therefore, from the questions provided the one that would most likely be studied by a physicist would be How can the forces on a space probe be controlled so it will land on Mars? This is because this question deals with forces acting on an object, regardless of what the object is Force is a huge part of physics and therefore studied by Physicists.

What do people mean when they say the water cycle is a continuous cycle

Answers

Answer:

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

Explanation:

Explanation:

It is understood that water cycle is also a continuous cycle because it is the continuous movement of water from the earth’s surface to the atmosphere and then back to the ground. It is a continuous process. Hence, it does not have a starting or an ending point.

help me pls! plsssss​

help me pls! plsssss

Answers

Answer:

Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen. It has no electric charge and a rest mass equal to 1.67493 × 10−27 kg—marginally greater than that of the proton but nearly 1,839 times greater than that of the electron.

Which statement best describes the distances between planets in the solar system?

1. It has varying distances with no specific pattern.
2. It stays the same for all planets in the solar system.
3. It increases the farther you move from the sun.
4. It decreases the farther you move from the sun.

Answers

Answer:

4

Explanation: it has less gravity

The distances between planets in the solar system increases the farther one move from the sun. The correct option is 3.

What is a solar system?

The Solar System is comprised of the Sun as well as the objects that orbit it. It was composed by the gravitational collapse of a massive interstellar molecular cloud nearly 4.6 billion years ago.

The Sun encompass the vast majority of the system's mass, along with Jupiter holding the maximum of the remaining mass.

Astronomical units (AU) are a crucial unit of measurement in the solar system.

One AU is the distance between the Sun and Earth's orbit, which is approximately 93 million miles.

An accurate representation of the Solar System shows that the planets' orbits become farther apart as their distance from the Sun increases.

Thus, the correct option is 3.

For more details regarding solar system, visit:

https://brainly.com/question/12075871

#SPJ2

why does antfifreeze ingredient ethylene glyocl have a boiling point of 197.6

Answers

Ethylene glycol, the main ingredient in antifreeze, has a boiling point of 197.6°C (387.7°F) due to its molecular structure and intermolecular forces.

To understand why ethylene glycol has a relatively high boiling point, we need to examine its chemical properties.

Ethylene glycol is a small molecule with the chemical formula C2H6O2. It consists of two hydroxyl (OH) groups attached to a central carbon atom. The presence of these hydroxyl groups allows for the formation of strong intermolecular hydrogen bonds between ethylene glycol molecules.

Hydrogen bonding occurs when a hydrogen atom bonded to an electronegative atom (in this case, oxygen) interacts with the lone pair of electrons on another electronegative atom (in this case, the oxygen atom in a neighboring molecule). These hydrogen bonds are stronger than the usual dipole-dipole interactions found in molecules without hydrogen bonding.

In the case of ethylene glycol, the hydroxyl groups can form hydrogen bonds with neighboring ethylene glycol molecules. These intermolecular hydrogen bonds result in increased attractions between molecules and require more energy to break during the boiling process.

As the temperature increases, the kinetic energy of the ethylene glycol molecules also increases. Eventually, at the boiling point, the kinetic energy becomes sufficient to overcome the intermolecular forces holding the liquid together. The boiling point is reached when the vapor pressure of the liquid equals the atmospheric pressure.

The presence of hydrogen bonding in ethylene glycol leads to stronger intermolecular forces, which require more energy to break during vaporization. Consequently, ethylene glycol has a higher boiling point compared to other molecules of similar size and molecular weight that lack hydrogen bonding.

The high boiling point of ethylene glycol is desirable for its application in antifreeze solutions. Antifreeze needs to remain in a liquid state over a wide range of temperatures, including sub-zero conditions. The high boiling point ensures that ethylene glycol remains a liquid under normal operating conditions in the engine, allowing it to effectively regulate temperature and prevent freezing or overheating of the coolant system.

In summary, the boiling point of ethylene glycol is elevated due to the presence of intermolecular hydrogen bonding between its hydroxyl groups. These strong intermolecular forces require additional energy to break, resulting in a higher boiling point compared to similar molecules without hydrogen bonding.

Learn more about ethylene at: brainly.com/question/14797464

#SPJ11

calculatr the total heat absorbed by the 5.0 gram sample of ammonia during the time interval ab your response ust both include a correct numerical setup and a correct numerical setup for the calculated resukt

Answers

The total heat absorbed by the 5.0-gram sample of ammonia during the time interval is 735.7 J.

Given that the mass of ammonia (NH3) sample is 5.0 g.

The time interval absorbed is 11.0 seconds. The enthalpy change of the calorimeter is -14.2 J/°C.

The specific heat of the calorimeter is 8.2 J/g°C.

Therefore, the total heat absorbed by the 5.0-gram sample of ammonia during the time interval is;

ΔT = T final − T initial(25.5 °C − 21.3 °C) = 4.2°

Cheat absorbed = (5.0g) (4.2°C) (35.1 J/g°C)

heat absorbed = 735.7 J

The total heat absorbed by the 5.0-gram sample of ammonia during the time interval is 735.7 J.

Know more about heat absorbed:

https://brainly.com/question/1134315

#SPJ2

PLEASE HELP ME! The question is on the image! It’s about the mole

PLEASE HELP ME! The question is on the image! Its about the mole

Answers

Ok the answer is the

A student is asked to standardize a solution of calcium hydroxide. he weighs out 0.990 g potassium hydrogen phthalate (khc8h4o4, treat this as a monoprotic acid). it requires 39.5 ml of calcium hydroxide to reach the endpoint. a. what is the molarity of the calcium hydroxide solution? m this calcium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. b. if 17.9 ml of the calcium hydroxide solution is required to neutralize 13.8 ml of hydroiodic acid, what is the molarity of the hydroiodic acid solution? m

Answers

The molarity of the calcium hydroxide solution is 0.0696 M

These are essentially 4-step problems.

1. Write and balance the equation. If we call potassium hydrogen phthalate just KHP, then

Ca(OH)2 + 2KHP ==> 2H2O + CaP + K2P

2. Convert grams to moles. moles KHP = 0.990/molar mass KHC8H4O4 = 0.990/179 = approximately 0.0055

3. Using the coefficients in the balanced equation, convert moles KHP to moles Ca(OH)2

0.0055moles KHP x (1 mole Ca(OH)2/2 moles KHP) = 0.0055 x (1/2) = 0.00275 moles Ca(OH)2.

4. M Ca(OH)2 = moles Ca(OH)2/L Ca(OH)2

 M Ca(OH)2 = 0.00275/0.0395 = approximately 0.0696 M

Part B is done the same way. Now that you have the Ca(OH)2 standardized, use that, with the same process, to determine the molarity of the HI.

Remember that moles = M x L.

Learn more about Molarity:

brainly.com/question/26873446

#SPJ4

what evidence have you discovered to explain how the structure of compounds determens the properties of the compounds

Answers

All of the properties such as ice floating on water, while most solids would sink when placed in its liquid are all due to the structure of the compounds.

The structure of the compounds includes the bonding angle, the type of bonds, the size of the molecule,  the interactions between the molecules etc.  Slight changes in the chemical structure and affect the properties if the compound.

Isomeric compounds with the same  chemical formula but different structures can have different melting and boiling point and differ in reactivity and flammability.

Another common change in isomers are with the double bonds.  A double bond can be in the cis formation or in the trans formation, and this will affect its properties as trans isomers will be having high melting point than the cis isomer.

Thus, structure of compounds  do determine the properties of the compounds.

To know more about the structure and properties of compounds

https://brainly.com/question/4661963

#SPJ1

You may assume the following combustion event locations when analyzing the figures: \begin{tabular}{|l|c|c|} \hline & Design 1 & Design 2 \\ \hline Spurk Crask Angle & −10 deg & −20 deg \\ \hline 10\% MFB Crank Angle & 0 deg & −5 deg \\ \hline 500 MFB Crank Angle & 10 deg & 10 deg \\ \hline 904 MFB Crank Angle & 25 deg & 30 deg \\ \hline \end{tabular} Note that the data series plotted in c) through f) begin at the spark timing. Please compare the two engines at part load unless told otherwise. For (b) through ( g), a complete discussion will include competing factors that affect the primary and secondary parameters of each process, including those that make an event more or less likely, or make a characteristic increase or decrease for each engine design. (a) Construct a table comparing the important parameters of the two designs. At a minimum, the table should highlight the differences in the compression ratio, Φ,EGR level, intake

Answers

A table comparing the important parameters of the two engine designs is shown below:ParametersDesign 1Design 2Compression Ratio 18:118:1Φ (Equivalence Ratio)0.75 (Richer)0.65 (Leaner)EGR Level 10%15%Intake Temperature 80°C100°C Intake Pressure 1 bar0.5 bar Intake Valve Closing −15 deg BTDC−25 deg BTDC.

The compression ratio is the ratio of the volume of the combustion chamber from its largest capacity to its smallest capacity. The compression ratio in Design 1 is 18:1, while in Design 2, it is 18:1. The higher compression ratio is seen in Design 1, which will lead to a higher engine efficiency since more fuel energy is converted into useful work.

The Φ (equivalence ratio) is the ratio of the actual air/fuel ratio to the stoichiometric air/fuel ratio. A Φ value of 1.0 indicates a stoichiometric mixture, whereas values less than 1.0 indicate a lean mixture and values greater than 1.0 indicate a rich mixture. The Equivalence ratio in Design 1 is 0.75, which means it is running rich, while in Design 2, it is 0.65, which means it is running lean.

The design 2 engine has a higher Φ (equivalence ratio) level, which may lead to lower NOx emissions due to lean-burn combustion.The EGR (Exhaust Gas Recirculation) level in Design 1 is 10%, whereas in Design 2, it is 15%. The EGR level in Design 2 is higher than that in Design 1, which can help to reduce NOx emissions by lowering the temperature of combustion.

Intake temperature is 80°C in Design 1, whereas in Design 2, it is 100°C. The higher intake temperature in Design 2 means that the engine will have a higher thermal efficiency due to the increased Carnot efficiency.Intake pressure is 1 bar in Design 1, while in Design 2, it is 0.5 bar. The higher intake pressure in Design 1 results in more air being compressed into the combustion chamber, allowing for more fuel to be burned and greater efficiency.

Intake Valve Closing (IVC) is −15 deg BTDC in Design 1 and −25 deg BTDC in Design 2. The IVC timing is responsible for trapping the charge in the combustion chamber and influencing the engine's breathing. The lower IVC timing in Design 2 provides less resistance to flow, resulting in greater volumetric efficiency.

Learn more about equivalence ratio here,

https://brainly.com/question/1706633

#SPJ11

What mass (g) of NaN3 is required to provide 40.0 L of N2 at 25.0°C and 763 torr?

Answers

The needed mass of NaN3 is 71.175 grammes.

How much NaN3 must be produced in grammes?

As seen above, for every 2 moles of sodium azide that break down, 3 moles of nitrogen gas are created. This mole ratio will be helpful in figuring out how much NaN3 N a N 3 is required to make 10.0 cubic feet of N2 gas. Hence, to generate 10.0 cubic feet of N2 gas, 547 grammes of NaN3 are required.

What gas makes up the majority of an air bag that has been inflated by the NaN3 reaction?

The sodium azide, or NaN3, chemical would hold the key to the solution. Nitrogen gas, which may instantly inflate an airbag, is released when this chemical is ignited by a spark.

To know more about mass visit:-

https://brainly.com/question/13197537

#SPJ9

2Al(s) + 6HCl(aq) ––––> 2AlCl3(aq) + 3H2(g) According to the equation above, how many grams of aluminum metal are needed to completely react with 3.83 mol of hydrochloric acid? A) 310 g B) 46.6 g C) 34.4 g D) 3.83 g E) 103.3 g

Answers

The mass of aluminum needed to completely react with 3.83 mol of hydrochloric acid is approximately 34.44 grams.

To determine the mass of aluminum needed to react with 3.83 mol of hydrochloric acid, we need to use the stoichiometry of the balanced equation.

From the balanced equation: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g)

We can see that the mole ratio between aluminum (Al) and hydrochloric acid (HCl) is 2:6, or simplified, 1:3. This means that for every 1 mole of aluminum, we need 3 moles of hydrochloric acid.

Given that we have 3.83 mol of hydrochloric acid, we can set up the following proportion:

1 mol Al / 3 mol HCl = x mol Al / 3.83 mol HCl

Simplifying the proportion, we find:

x = (1 mol Al / 3 mol HCl) * 3.83 mol HCl

x = 1.277 mol Al

Now, we need to calculate the mass of aluminum using its molar mass. The molar mass of aluminum is approximately 26.98 g/mol.

Mass of aluminum = 1.277 mol Al * 26.98 g/mol Al

Mass of aluminum = 34.44 g

Know more about hydrochloric acid here:

https://brainly.com/question/24784580

#SPJ11

Which of the following is the best description of an oxidation process?Question 3 options:A) Oxidation is the non-spontaneous loss of electronsB) Oxidation is the spontaneous loss of electronsC) Oxidation is the gain of electronsD) Oxidation is the loss of electrons

Answers

INFORMATION:

We have the next options:

A) Oxidation is the non-spontaneous loss of electrons

B) Oxidation is the spontaneous loss of electrons

C) Oxidation is the gain of electrons

D) Oxidation is the loss of electrons

And we must select the one that best describes an oxidation process

STEP BY STEP EXPLANATION:

Oxidation process consists in the loss of electrons during a reaction.

An older meaning of oxidation was when oxygen was added to a compound. This was because oxygen gas (O2) was the first known oxidizing agent. While the addition of oxygen to a compound typically meets the criteria of electron loss and an increase in the oxidation state, the definition of oxidation was expanded to include other types of chemical reactions.

Finally, knowing that, we can state that, in general, Oxidation is the loss of electrons.

ANSWER:

D) Oxidation is the loss of electrons

According to its nutrition label, orange soda contains 49 g of sugar per 355-mL serving. If the density of the beverage is 1.043 g/mL, what is the percent sugar concentration in orange soda? (Hint: This is a two-step problem. First use the density to convert the 355-mL serving size to grams. Then calculate percent sugar in the beverage.)

Answers

The percent sugar concentration in orange soda is approximately 13.24%.

The volume of orange soda is given as 355 mL and its density is given as 1.043 g/mL. According to the nutrition label, there are 49 g of sugar in a 355 mL serving of orange soda.Using the density, we can convert the 355 mL volume into grams as follows:Volume = 355 mL; Density = 1.043 g/mL; Mass = ?To convert mL to g we need to multiply the volume with the density. Thus,Mass = Volume x Density= 355 x 1.043= 369.965 gThus, the mass of a 355 mL serving of orange soda is approximately 369.965 g.Next, we can calculate the percentage of sugar in the beverage as follows:Percent sugar concentration = (Mass of sugar / Total mass of beverage) x 100%Percent sugar concentration = (49 g / 369.965 g) x 100%Percent sugar concentration = 0.1324 x 100%Percent sugar concentration = 13.24%Therefore, the percent sugar concentration in orange soda is approximately 13.24%.

learn more about concentration

https://brainly.com/question/15306782

#SPJ11

1: What is the partial pressure (atm) of nitrogen gas in a 2.50−L container into which 56 g of each nitrogen and carbon dioxide gases are added at 25∘
C ? A) 39,00 B) 39.10 C) 17.90 D) 19.55 E) 15200 Q2: Calculate the root mean square speed (m/s) of an A2 molecule (atomic mass =6amu ) at 0∘ C. A) 1506 B) 1.135×10 6
C) 1065.0 D) 1065.3 E) 753
Expert Answer

Answers

In a 2.50-L container with 56 g each of nitrogen and carbon dioxide gases added at 25°C, the partial pressure of nitrogen gas is 4.89 atm. The root mean square speed of an A₂ molecule at 0°C is approximately 8.65 m/s. None of the given options are correct.

Q1. We need to find the partial pressure (atm) of nitrogen gas in a 2.50−L container into which 56 g of each nitrogen and carbon dioxide gases are added at 25°C. Let's begin:
56g of N₂ will be equal to moles of N₂ = (56/28) = 2 mol N₂
56g of CO₂ will be equal to moles of CO₂ = (56/44) = 1.27 mol CO₂


Total moles of gas = 2 + 1.27 = 3.27 moles
Molar mass of N₂ = 28 g/mol
Ideal Gas equation = PV = nRT
Partial pressure of N₂ = P_N₂ = (n_N₂ * RT) / V
Where,
n_N₂ = number of moles of N₂ = 2 mol
R = gas constant = 0.08206 L atm K⁻¹ mol⁻¹
T = temperature in kelvin = (25 + 273.15) K = 298.15 K
V = volume of container = 2.50 L

Substituting the values in the formula, we get:
P_N₂ = (2 mol * 0.08206 L atm K⁻¹ mol⁻¹ * 298.15 K) / 2.50 L
P_N₂ = 4.89 atm

Therefore, the partial pressure (atm) of nitrogen gas in a 2.50−L container into which 56 g of each nitrogen and carbon dioxide gases are added at 25°C is 4.89 atm.

None of the given options are correct.

Q2. We need to find the root mean square speed (m/s) of an A₂ molecule (atomic mass =6amu ) at 0°C. Let's begin:

The root mean square speed (v rms) of an ideal gas is given by the formula:
v rms = √(3RT / M)
Where,
R = gas constant = 8.314 J/mol K
T = temperature in kelvin = 0 + 273.15 K = 273.15 K
M = molar mass of the gas = 6 g/mol = 6 / 1000 kg/mol = 0.006 kg/mol

Substituting the values in the formula, we get:
v rms = √(3 * 8.314 J/mol K * 273.15 K / 0.006 kg/mol)
v rms = √(3 * 8.314 J/mol K * 273.15 K / 6 * 10⁻³ kg/mol)
v rms = √(74.81)
v rms = 8.65 m/s (approx.)

Therefore, the root mean square speed (m/s) of an A₂ molecule (atomic mass =6amu ) at 0°C is 8.65 m/s (approx.).

None of the given options are correct.

To know more about root mean square speed, refer to the link below:

https://brainly.com/question/30759623#

#SPJ11

Complete Question:

Q24: What is the partial pressure (atm) of nitrogen gas in a 2.50-L container into which 56 g of each nitrogen and carbon dioxide gases are added at 25°C ? A) 39.00 B) 39.10 C) 17.90 D) 19.55 B) 15200

Q25: Calculate the root mean square speed (m/s) of an A2 molecule (atomic mass =6amu) at 0°C. 4) 1506 B) 1.135×10⁶ C) 1065.0 D) 1065.3 E) 753

The rate constant for the decomposition of a certain substance is 3.80 × 10−3 dm3 mol−1 s−1 at 35 °C and 2.67 × 10−2 dm3 mol−1 s−1 at 50 °C. Evaluate the Arrhenius parameters of the reaction.

Answers

Arrhenius equation helps calculate activation energy (Ea) and pre-exponential factor (A) using given rate constants and temperatures.

The Arrhenius equation is k = A\(e^{(-Ea/RT),\) where k is the rate constant,

A is the pre-exponential factor, Ea is the activation energy,

R is the gas constant (8.314 J mol−1 K−1), and T is the temperature in Kelvin.

Given rate constants and temperatures, you can form two equations with two unknowns (A and Ea) and solve them simultaneously.

Convert 35°C and 50°C to Kelvin (308.15K and 323.15K),

plug in the given rate constants and temperatures,

and solve for A and Ea. By solving the equations,

you'll find the Arrhenius parameters for the reaction.

For more such questions on temperatures, click on:

https://brainly.com/question/4735135

#SPJ11

The Arrhenius equation relates the rate constant of a reaction to temperature, activation energy, and a frequency factor. It can be expressed as k = A e^(-Ea/RT)

Arrhenius equation, expressed as k = A e^(-Ea/RT), where k is the rate constant, A is the frequency factor, Ea is the activation energy, R is the gas constant, and T is the absolute temperature.

To determine the Arrhenius parameters of the reaction, we can use the two sets of given rate constants and temperatures. First, we need to calculate the activation energy using the two rate constants and temperatures.

Taking the natural logarithm of the Arrhenius equation and rearranging gives: ln(k) = ln(A) - (Ea/RT)

Taking the difference between the two sets of data, we have:

ln(k2/k1) = [(Ea/R)(1/T1 - 1/T2)]

Substituting the values for k, T, and R and solving for Ea, we get:

Ea = -R[(ln(k2/k1))/(1/T1 - 1/T2)]

Ea = -8.314 J/mol K[(ln(2.67 × 10^-2/3.80 × 10^-3))/(1/308.15 K - 1/323.15 K)]

Ea = 69.4 kJ/mol

Now that we have calculated the activation energy, we can solve for the frequency factor A using one of the sets of data.

ln(k) = ln(A) - (Ea/RT)

In(3.80 × 10^-3) = ln(A) - (69.4 × 10^3 J/mol) / (8.314 J/mol K × 308.15 K)

ln(A) = 11.6

A = e^11.6

A = 1.63 × 10^5 dm3/mol s

Therefore, the Arrhenius parameters for the reaction are activation energy Ea = 69.4 kJ/mol and frequency factor A = 1.63 × 10^5 dm3/mol s.

Learn more about Arrhenius equation here :

https://brainly.com/question/31508978

#SPJ11

This equation represents cellular respiration.
C6H12O6 +602
6 CO2 + 6H2O + energy
Which table lists all the atoms in reactants and products of cellular respiration?
Reactants 6 C 12 H 18 O
ΟΑ.
Products 6 C 12 H 18 O
Reactants 6 C 6H 2
Ов.
Products 6 C 12 H 120
Reactants 6 C 12 H 120
C.
Products 6 C 12 H 30
Reactants 6 C 12 H 18 0
D.
Products 1C6H 18 O

Please hurry

This equation represents cellular respiration.C6H12O6 +6026 CO2 + 6H2O + energyWhich table lists all

Answers

if you work it put you will get the 3rd one I think

Hydrated sodium tetraborate is heated
to drive off the water. You find there are
0.01312 mol Na2B4O7 and 0.1311 mol
H2O in the sample. What is the formula
of the hydrate?
A. Na2B4O7 H₂O
B. Na2B4O7 2H₂O
C. Na2B4O7-10H₂O
D. Na2B4O7-13H₂O

Hydrated sodium tetraborate is heatedto drive off the water. You find there are0.01312 mol Na2B4O7 and

Answers

Answer: C. Na2B4O7•10H2O

Explanation:


Hope this helps :)

The formula is tetrasodium borate-Na2B4O7.10H2O

Given- 0.0132 mol Na2B4O7 and 0.1311 mol H2O

Step 1

Using the molar mass of the anhydrous Na2B4O7 and its mass percentage, we can calculate the molar mass of the hydrate (if we look at it as 100% of the mass) by stoichiometry.

Molar mass of Na = (22.990 g/mol)

Molar mass of B = (10.811 g/mol)

Molar mass of O = (15.999 g/mol)

Molar mass of Na2B4O7= 2⋅22.990 g/mol +4⋅10.811 g/mol +7⋅15.999 g/mol = 201.217 g/mol

201.217g/mol : 52.8%=x g/mol : 100%

​x g/mol = 201.217 g/mol⋅100%÷52.8 %

x g/mol= 381.093 g/mol

Step 2

In 381.093 g of hydrate, we have 201.217 g of anhydrous Na2B4O7 , the rest of the mass is water.

381.093g−201.217g= 179.876 g of water

Molar mass of H = 1.008 g/mol

Molar mass of O = 15.999 g/mol

Molar mass of  H2O= 1.008 g/mol+ 15.999g/mol  = 18.015 g/mol

179.876g ÷18.015 = 9.98= 10 moles of water per mole of hydrate.

Describe an adaptation to a plant's life cycle and explain how this adaptation helps the plant survive. (2 points)

Answers

Answer:

Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water.

Answer:

. Plant adaptations are changes that help a plant species survive in its environment. Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water. The leaves of aquatic plants are also very soft to allow the plant to move with the wave.

Explanation:

a liquid mixture of one or more substances that cannot be separated by filtering or allowing the mixture to stand is called a/an:

Answers

A homogeneous mixture, also known as a solution, is a liquid mixture where one or more substances are combined in such a way that they cannot be separated by filtering or allowing the mixture to stand. Unlike heterogeneous mixtures, such as suspensions or colloids, homogeneous mixtures have uniform composition and properties throughout.

The different substances in a homogeneous mixture are evenly distributed at a molecular or atomic level, resulting in a single phase.

This uniform distribution makes it challenging to visually differentiate the individual components of the mixture.

Examples of homogeneous liquid mixtures include saltwater, vinegar, and ethanol-water solutions.

The inability to separate the components of a homogeneous mixture by simple physical means is due to the intimate mixing and molecular interactions between the substances involved.

Read more about Liquid mixture.

https://brainly.com/question/12160179

#SPJ11

boron has two naturally occurring isotopes .there are 10 b(20%)and 11b(80%).what is the average atomic mass of boron

Answers

Answer:

Explanation:

Average Atomic mass of any element =[ ∑ Abundance* mass of element] /100

                                                                = 10*20 +11*80 /100

                                                                = .........

Hope this helps you

If only an element’s atomic number and weight are provided, what other atomic information can be determined for a neutral atom?

only the number of protons and neutrons

the number of protons, electrons and neutrons

only the valence electrons

only the number of protons and electrons

Answers

If only an element’s atomic number and weight are provided, the number of protons, electrons and neutrons can also be determined.

What is atomic number?

The atomic number of an element is the number of protons in an atom while the mass number is the sum of the atomic number and the number of neutrons.

An atom has three subatomic particles namely;

ProtonElectronNeutron

The number of protons of an element is the atomic number of that element.

This means that if only an element’s atomic number and weight are provided, the number of protons, electrons and neutrons can also be determined.

Learn more about atomic number at: https://brainly.com/question/8834373

#SPJ1

Answer:

(Question) If only an element’s atomic number and weight are provided, what other atomic information can be determined for a neutral atom?

(Answer) the number of protons, electrons and neutrons

(Question) What quality differentiates hydrogen (H) from the other elements in group 1, the alkali metals?

(Answer) It is a non-metal.

(Question) On which atomic property proposed by Henry Moseley is the current periodic table of the elements based?

(Answer) atomic number

(Question) You plan to pass alpha particles through a field that contains a consistent type of particle. Which configuration will result in the largest deflection of alpha particles?

(Answer) low-energy alpha particles passing through a field of high mass-number-particles

(Question) Which statement about metals and nonmetals is correct?

(Answer) Metals can be hammered into thin sheets, and nonmetals are brittle.

(Question) Based on properties of elements in the periodic table, which element is the best conductor of thermal energy?

(Answer) vanadium (V)

(Question) Which element has four valence electrons?

(Answer) silicon (Si)

(Question) Which statement best explains why hydrogen’s atomic number is equal to its mass?

(Answer) Hydrogen does not have any neutrons.

(Question) Which statement correctly compares the valence electrons for atoms of francium (Fr) and barium (Ba)?

(Answer) Francium has fewer valence electrons, but they are in a higher energy level.

(Question) Why are the noble gases the least reactive elements?

(Answer) They have a full valence electron shell.

(Question) Group 2 elements have two valence electrons. Which kind of bond will they most likely form, and why?

(Answer) An ionic bond is likely because they will want to give away two valence electrons in order to become stable.

(Question) How many electrons can carbon accept from other atoms while bonding?

(Answer) four

(Question) An element has six valence electrons. Which ionic charge will its ion carry?

(Answer) 2-

Questions 14, 15, & 16 are written responses good luck.

Explanation:

If you put 10.0mL of a in one balance pan . How much mass of b would you need in the other pan to make it balanced

Answers

To balance 10.0 mL of substance a, we would need 6.67 g of substance b.

How did we arrive at the value?

To determine how much mass of substance b would be needed to balance 10.0mL of substance a on the other pan, we need to know the density of both substances.

If we know the density of substance a and the volume of substance b, we can calculate the mass of substance b needed to balance the system.

For example, if we assume that substance a has a density of 1.0 g/mL, and we want to balance it with substance b which has a density of 1.5 g/mL, we can use the following formula:

mass of substance b = (density of substance a) x (volume of substance a) / (density of substance b)

Substituting the values given, we get:

mass of substance b = (1.0 g/mL) x (10.0 mL) / (1.5 g/mL)

mass of substance b = 6.67 g

Therefore, to balance 10.0 mL of substance a, we would need 6.67 g of substance b.

learn more about mass of a substance: https://brainly.com/question/837939

#SPJ1

What pillar of sustainability is broken by recycling
electronics in India? Should the US make a law that electronics can
only be recycled in the US?

Answers

The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

To learn more about sustainability, here

https://brainly.com/question/32771548

#SPJ4

What does it mean for a strong base to be in equilibrium?
o the position of equilibrium lies far to the right, with products being favored.
o the position of equilibrium lies far to the left, with products being favored.
there is a great deal of base and very few ions.
o there is an equal amount of reactants and products.
mark this and retum
save and exit
next
submit

Answers

The position of equilibrium lies far to the right, with products being favoured. Hence, option A is correct.

What is equilibrium?

Chemical equilibrium is a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.

A very high value of K indicates that at equilibrium most of the reactants are converted into products.

The equilibrium constant K is the ratio of the concentrations of products to the concentrations of reactants raised to appropriate stoichiometric coefficients.

When the value of the equilibrium constant is very high, the concentration of products is much higher than the concentration of reactants.

This means that most of the reactants are converted into products and the position of equilibrium lies far to the right, with products being favoured.

Hence, option A is correct.

Learn more about the equilibrium here:

https://brainly.com/question/23641529

#SPJ1

what are the rules for calculating protons

Answers

Answer:

Find the element,

Explanation:

Finding the element will tell you how many protons there are. For example, if you are given an atom of oxygen, you can figure out the number of protons by looking it up on a periodic table, which gives you 8.

If an atom is neutral, find the number of electrons. This number will also be the number of protons.

Other Questions
2)If a $100 deposit is made at a bank that pays 12% per year, compounded annually, determine how long it will take for the investment to reach $2000. Which kind of detail best reveals character?A. Description of a persons facial expressionsB. Details about a certain historical eventC. Ideas related to a particular time periodD. Information about an unusual landscape Suburban development and sprawl is a distinctly American phenomenon. T F Which groups website's should you trust to provide accurate information about early space travel?A local astronomy clubThe rock band Pocket RocketSpaceships R UsNASA (National Air and Space Agency) Lin rode her bike 2 miles in 8 minutes. She rode at a constant speed. Complete the table to show the time it took her to travel different distance at this speed. (Please take a picture of the work if its paper/device) Good soil tilth allows for _______. a. hard, rocky soil b. decreased plant life c. decreased movement of air d. increased porosity Post 5 sentences that correctly use affect and effect maureen left her teaching job, which paid $30,000 per year, and invested $20,000 of her retirement fund (which was earning 10 percent interest) in a new real estate business. her accountant projected $50,000 net revenue the first year. her husband forecast her economic profit to be group of answer choices zero. $18,000. $32,000. $50,000. Calculate the Molarity If a skeletal muscle cell has depleted its stores of atp how will the altered transport properties of the following transporters afect cytosolic ion concentrations relative to normal? even when choosing casual sex partners, people value traits such as: The respiratory system _____.The resportiory systemdoes not work with any other systemsremoves carbon dioxide from the bodysupplies the body with oxygenincludes the lungsdoes not need blood to work [WILL MARK BRAINLIEST, PLEASE HELP]Which equation best represents the data given in the scatter plot?y= -3x + 100y= -6x - 20y= -5x + 105y= -5x + 102 The 'Tragedy of the Commons' proves that people are greedy, making American capitalism a natural process for humans. True False Major difference between the particians and the plebeians in the period of the Roman Republic The time between arrivals of customers at a bank during the noon-to-1 p.m. hour has a uniform distribution between 0 to 120 seconds. What is the probability that the time between the arrival of two customers will bea. less than 20 seconds?b. between 10 and 30 seconds?c. more than 35 seconds?d. What are the mean and standard deviation of the time between arrivals? On a number line, suppose point E has a coordinate of 1, and EG = 3. What are the possible coordinates of point G? Help needed ASAP will give BRAINLIEST A nurse admits a new client with acute respiratory failure. what are the clinical findings of a client with acute respiratory failure? I NEED TO KNOW A LOT OF ENGLISH WORDS PLEASE