differentiate between hypothesis and Theory​

The correct answer to the first part of your question is option (c): Energy is released by water vapor as it condenses.

When water vapor condenses into liquid water, it undergoes a phase change from a gaseous state to a liquid state. During this phase change, energy is released in the form of latent heat. This release of energy occurs because the water molecules in the vapor phase are more energetic and have higher kinetic energy compared to the water molecules in the liquid phase.

To know more about latent heat

brainly.com/question/23976436

#SPJ11

: PM2.5 is defined as the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter.Question 15: False, carbon dioxide (CO2) is not considered a criteria air pollutant.

Question 16: The closest answer is 50%, but the exact percentage is not provided in the question.Question 17: The term "photochemical smog" is most synonymous with ozone (O3), which is a criteria air pollutant.Question 18: True, attainment of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards.

Question 14 asks about the definition of PM2.5. PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 micrometers. It represents the mass concentration of particles suspended in the air, which are small enough to be inhaled into the respiratory system and can have adverse health effects.

Question 15 states whether carbon dioxide (CO2) is a criteria air pollutant. Criteria air pollutants are a set of pollutants regulated by environmental agencies due to their detrimental impact on air quality and human health. However, carbon dioxide is not considered a criteria air pollutant because it does not directly cause harm to human health or the environment in the same way as pollutants like ozone or particulate matter.

Question 16 asks about the percentage of carbon monoxide (CO) emissions from mobile sources in Santa Clara County. While the exact percentage is not provided in the question, the closest answer option is 50%. However, it is important to note that the precise percentage may vary depending on specific local conditions and emissions sources.

Question 17 inquires about the criteria air pollutant most synonymous with the term "photochemical smog." Photochemical smog is primarily associated with high levels of ground-level ozone (O3). Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, creating a hazy and polluted atmospheric condition.

Question 18 addresses the concept of "attainment" of ambient air quality standards. To achieve attainment, measured concentrations of pollutants at all monitoring stations within an air district must be below the established ambient air quality standards. This ensures that the air quality in the given area meets the required standards for protecting human health and the environment.

Learn more about mass concentration  here:- brainly.com/question/23437000

#SPJ11

The caloric content of sucrose, which is also known as table sugar, is approximately 3.94 cal/g.

This means that for every gram of sucrose consumed, the body will receive approximately 3.94 calories of energy. It is important to note that sucrose is a type of simple carbohydrate, and it is often used as a sweetener in various food products. The calculation of the caloric content of sucrose is based on its chemical composition and energy value. By expressing the answer in four significant figures, we can ensure that the answer is precise and accurate. Therefore, the caloric content of sucrose in cal/g is 3.94 calories per gram.

Learn more about sucrose at https://brainly.com/question/31105454

#SPJ11

Therefore, the net ionic equation for the reaction is Copper(2+) (aq) + 2 chlorine- (aq) → Copper(II) chloride (aq).

Ammonium sulphate and Copper hydroxide precipitate are the first products of the reaction between copper sulphate and ammonium hydroxide.

Mixing copper(II) sulphate and ammonium chloride results in the following observations:

Conventional: When copper ions (Copper2+) from Copper(II) sulfate are present, a blue solution develops. The colour of Ammonium Chloride doesn't seem to have changed at all.

Ionic total: While Ammonium Chloride dissociates into Ammonium and Chlorine- ions in solution, Copper(II) sulfate dissociates into Copper2+ and Sulfate 2- ions.

Copper(II) sulfate (aq) + 2 Ammonium Chloride (aq) → Copper(II) Chloride (aq) + 2 Ammonium (aq) + Sulfate 2- (aq)

Net Ionic: The net ionic equation shows only the species involved in the reaction. In this case, the Copper2+ and the Cl- ions combine to form Copper(II) chloride.

Copper2+ (aq) + 2 Chlorine- (aq) → Copper(II) chloride (aq)

To know more about ionic equation visit:-

https://brainly.com/question/29299745

#SPJ1

The equilibrium constant of the reaction from the calculation that has been done is 0.154

The concentrations (or partial pressures) of reactants and products in chemical equilibrium for a specific chemical reaction are related by the equilibrium constant (K), a mathematical equation. It quantifies the degree to which an equilibrium has been reached in a reaction.

We have the equation of the reaction as;

A(g) + B(g) ⇔C(g)

Thus;

Keq = 45.83/11.23 * 26.50

Keq = 0.154

Learn more about equilibrium constant:https://brainly.com/question/28559466

#SPJ1

Answer:

What is the heat in joules required to raise the temperature of 25 grams of water from 0 degrees C to 100 degrees C? What is the heat in calories? Answer: 10450 J or 2500 calories of heat energy are required to raise the temperature of 25 grams of water from 0 degrees C to 100 degrees C.

Answer:

1 5 liters

Explanation:

can i please get brainliest i want to get to the next rank i only need 3 more i would really appreciate it

Answer:

Condensation is the process of water vapor condensing into liquid water.

Explanation:

"Water condenses on a can of cold soda. Water vapor in the air reaches its dew point as it cools in the air around the can, forming liquid drops of water. Condensation is the process where water vapor becomes liquid. It is the reverse of evaporation, where liquid water becomes a vapor." -National Geographic"

So, at STP, there are around 891 grammes of nitrogen gas in every 759 litres.

The two stable isotopes of naturally occurring nitrogen (7N) are nitrogen-14 and nitrogen-15, with nitrogen-14 constituting 99.6% of all naturally existing nitrogen. Along with one nuclear isomer, 11mN, fourteen radioisotopes with atomic masses ranging from 10 to 25 are also known.

Assuming "ST" refers to standard temperature and pressure (0°C and 1 atm), we can use the ideal gas law to calculate the mass of nitrogen gas:

PV = nRT

where n is the number of moles, P is the pressure, V is the volume, and T is the temperature, and R is the gas constant.

The temperature and pressure are 273.15 K and 1 atm, respectively, at STP.

To solve for n, the number of moles, we can rearrange the ideal gas law equation as follows:

n = PV / RT = (1 atm) * (759 L) / (0.0821 L·atm/(mol·K) * 273.15 K) = 31.8 mol

Now we can calculate the mass of nitrogen gas:

mass = n * molar mass = 31.8 mol * 28.01 g/mol ≈ 891 g.

To know more about nitrogen gas visit:-

https://brainly.com/question/13907528

#SPJ1

Answer:

3Pb + 2H₃PO₄ → 3H₂ + 1Pb₃(PO₄)₂

In the electrophilic aromatic substitution reaction between benzaldehyde and Br2 in the presence of FeBr3, the first step involves the generation of a carbocation intermediate. This carbocation is formed when the bromine molecule attacks the benzene ring, displacing a proton.

Since benzaldehyde is a meta-director, the carbocation intermediate will be stabilized through resonance. The resonance structures can be represented as follows:

Structure 1:

      Br

       |

Ph-C(+)-H

       |

Structure 2:

      Br

       |

Ph-C-H

  |    |

  +    Ph

Structure 3:

      Br

       |

Ph-C-H

  |    |

Ph    +

In these resonance structures, the positive charge of the carbocation is delocalized throughout the benzene ring. The presence of the electron-withdrawing aldehyde group (CHO) in benzaldehyde directs the incoming bromine atom to the meta position relative to the aldehyde group.

Please note that it's always recommended to consult reliable sources and appropriate references for accurate structural representations.

To know more about carbocation visit:  

https://brainly.com/question/31827291

#SPJ11

Answer:

The total mass of those molecules would be 122.76 grams

To find the mass of 6.80 moles of H2O, we can use the molar mass of H2O, which is 18.02 g/mol. The molar mass represents the mass of one mole of a substance.
Mass = moles × molar mass
Mass = 6.80 mol × 18.02 g/mol
Mass = 122.76 g
Therefore, the mass of 6.80 moles of H2O is 122.76 grams. This means that if you have 6.80 moles of water molecules, the total mass of those molecules would be 122.76 grams. This calculation is useful in determining the amount of a substance present based on the given number of moles, which is important in various chemical and scientific calculations.

To know more about molar mass, click here https://brainly.com/question/30640134

#SPJ11

Answer:

Formula of water:H2O

Formula of potassium chloride:KCl

The root-mean-square speed of the molecules will be the highest in SF6 at 200°C. According to the kinetic-molecular theory, the root-mean-square speed of gas molecules is directly proportional to the square root of their absolute temperature and inversely proportional to the square root of their molar mass.

The formula for calculating the root-mean-square speed is:

vrms = √(3RT/M)

where:

vrms = root-mean-square speed

R = ideal gas constant

T = absolute temperature

M = molar mass of the gas

At a given temperature, gases with lower molar masses will have higher root-mean-square speeds. In this case, we are comparing gases at 200°C. Among the given options (O2, H2O, and SF6), SF6 has the highest molar mass. Therefore, according to the kinetic-molecular theory, the root-mean-square speed of SF6 molecules will be the highest at 200°C.

The root-mean-square speed of molecules is not the same for all gases at a given temperature. It depends on the molar mass of the gas. In this case, SF6 has the highest molar mass among the given options, so its molecules will have the highest root-mean-square speed at 200°C.

To learn more about root-mean-square speed , visit

brainly.com/question/20775571

#SPJ11

Circuit Learning is a cutting-edge teaching strategy used at a public tertiary institution.

In this article, teachers' and students' reactions to "Circuit Learning," a cutting-edge teaching strategy used at a public tertiary institution in Malaysia, are discussed.

It focuses on particular observations of how the students responded to this novel teaching strategy and how the teachers judged its success in enhancing the English language learning opportunities for low proficiency students enrolled in a Foundation English course. The analysis of the data indicates that although some doubts were first noted, the majority of the students responded well to CL. There were a variety of responses from teachers regarding its efficacy.

Nevertheless, both teachers and students noted a number of significant characteristics of CL, particularly in the way it helped these students become more motivated and self-assured, demonstrating its viability and potential as a teaching innovation for ESL teaching and learning. This article starts by explaining the structure and principles of CL. After that, it analyzes the replies from the students and teachers who took part, using surveys and their own comments.

Learn more about circuit on:

https://brainly.com/question/2969220

#SPJ1

Answer:

I believe that it can help us a lot since the circuit learning helps us remember and memorize a ton of stuff that we can use for us in the future.

An example is that when we know about circuit learning, you will have creative ideas you can use as an engineer, or any other good job that will help you earn money with your awesome ideas.

When I use circuit learning in the future, I'll know many ideas for my future career and business, and the way I can earn really well amount of money.

Explanation:

You're welcome :D

When an aromatic ring is activated by an electron-donating substituent, such as a methyl group or a methoxy group, the rate of electrophilic aromatic substitution is increased.

The reaction of an electrophile with an aromatic compound is referred to as electrophilic aromatic substitution. The electrophile is generated by either a substitution or addition reaction.

The product is an aryl derivative of the initial compound, and the reaction is catalyzed by Lewis acids, such as ferric chloride, which boost the electrophile's reactivity or reduce the aromatic compound's electron density.

For example, bromination of benzene or toluene occurs by electrophilic aromatic substitution, and the products are bromobenzene or bromotoluene, respectively.

The rate of electrophilic aromatic substitution is increased when an aromatic ring is activated by an electron-donating substituent such as a methyl group or a methoxy group. The effect of these substituents on the reaction rate is due to their ability to donate electron density to the ring, making it more nucleophilic and hence more susceptible to attack by electrophiles.

Electron-donating substituents activate the aromatic ring by increasing the electron density at the ortho and para positions, which accelerates electrophilic substitution by increasing the nucleophilic nature of the aromatic ring.

The net impact of the substituent on the reaction rate is dependent on the substituent's nature and position relative to the reaction site.

To know more about electrophilic aromatic substitution, refer here:

https://brainly.com/question/14651665#

#SPJ11

Answer:

Explanation:

The nucleus of an atom contains protons and neutrons.

Protons have positive charges, neutrons have neutral charges (no charge), and electrons have negative charges.  That is why when you determine net charge of atom you only look at the proton to electron ratio since the neutrons don't matter when it comes to charge.

I hope this helps.  Let me know in the comments if anything is unclear.

the molar mass of Mercury is 200.59 u

Answer:

At a particular temperature, the solubility of He in water is 0.060 M when the partial pressure is 0.90 atm. 2.27 atm is the partial pressure of Kr would give a solubility of 0.150 M.

Solution:

The solubility of gas is directly proportional to partial pressure. It is expressed as:

S = \(K_ h \times P _g_a_s\)

where, S = Solubility of gas

\(K_h\) = Henry's Law constant

\(P_g_a_s\) = Partial pressure of gas

Now, put the values in above expression we get

0.060M = \(K_h\) × 0.9 atm

   \(K_h\) =  = 0.066 M/atm

Now we have to find the partial pressure of He

0.150 M = 0.066 M/atm × \(P_g_a_s\)

\(P_g_a_s\) = 2.27 atm

Learn more about the Henry's Law : brainly.com/question/23204201

#SPJ4

Answer:

the partial pressure of bromine gas is 0.186 atm

Explanation:

Answer:

True

Explanation:

Answer:

Density: if you take alcohol and look at its density and divide the alcohol into two containers the density will be the same.

Temperature: if you take an ice cream and split it, the temperature will be the same in the two pieces.

Explanation:

The yield of Cu(OH)2 is equal to the amount of CuCl2 used.

Yield is a quantitative measure of the amount of product obtained from a reaction. It is usually expressed as a percentage of the theoretical yield, which is the maximum amount of product that could be obtained from the given amounts of reaction components. Yield is an important concept in chemistry because it provides a means for evaluating the efficiency of the reaction, the quality of the conditions and the effectiveness of the purification process. Yield can be determined by measuring the amount of product obtained following a reaction, then dividing that amount by the theoretical yield. This calculation provides an estimate of how much of the desired product was obtained from the reaction.

The yield of Cu(OH)2 using CuCl2 is determined by the mole ratio of the two reactants. The balanced equation for the reaction is:
CuCl2 + 2NaOH → Cu(OH)2 + 2NaCl
The mole ratio of CuCl2 to Cu(OH)2 is 1:1, so for every mole of CuCl2 used, one mole of Cu(OH)2 is produced. Therefore, the yield of Cu(OH)2 is equal to the amount of CuCl2 used.

To learn more about yield
https://brainly.com/question/14531883
#SPJ1

Lysine can undergo decarboxylation to produce the end-product cadaverine.

Decarboxylation is a chemical reaction where a carboxyl group (-COOH) is removed from a molecule, resulting in the release of carbon dioxide (CO2). In the case of lysine, the decarboxylation reaction occurs at the carboxyl group (COOH) of the amino acid. The reaction can be catalyzed by enzymes known as decarboxylases. The chemical equation for the decarboxylation of lysine to cadaverine can be represented as follows:

H2N(CH2)4COOH (Lysine) → H2N(CH2)5NH2 (Cadaverine) + CO2

In this reaction, the carboxyl group (COOH) in lysine is removed, resulting in the formation of cadaverine, which has one less carbon atom and one less oxygen atom than lysine. It's important to note that decarboxylation reactions often require specific reaction conditions such as appropriate pH, temperature, and the presence of specific enzymes. Without these conditions, decarboxylation may not occur or proceed at a significant rate.

for more questions on Lysine
https://brainly.com/question/30666175
#SPJ8

The bonding in HNNH is Sp² orbitals on each nitrogen overlap and form a sigma bond

To verify the accuracy of any chemical structure, we use the octet rule, which states that all atoms in a compound are expected to abide by. In the model of carbon IV oxide, every atom precisely satisfies the octet rule. Each atom in the molecule has eight electrons surrounding its valence shell. Given the total number of bonds and electrons, as well as the fact that CO2 has sixteen valence electrons, we can therefore conclude that this structure is correct.

It has a negative charge that is comparable to its negative charge, which is 1.602176634 coulombs, the fundamental unit of electric charge. Only 1/1,836 the mass of a proton, or 9.1093837015 10-31 kg, makes up the rest mass of an electron.

To know more about   bonds visit : brainly.com/question/13190131

#SPJ4

In order to balance a chemical equation steps to be followed are : Identify  atoms on each side.Count  atoms on each side.Numbering  steps for balancing Equations in  sequential order.Use coefficients to increase  atoms on each side.Check to make sure you have  same number of each type of atom on each side.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

Learn more about chemical equation,here:

https://brainly.com/question/30087623

#SPJ9

Your question is is incomplete, the complete question will be:

Numbering the Steps for Balancing Equations in a sequential order:

Use coefficients to increase the atoms on each side.

Check to make sure you have the same number of each type of atom on each side.

Count the atoms on each side.

Identify the atoms on each side.

Answer:

1-2 weeks.

Explanation:

Answer:

12.78 or 12.80 mostly like 12.78

Explanation: