4NH3 5O2→4NO6H2O (Run at contant temperature and preure)
If 3. 20 liter of ammonia ga are reacted, how many liter of oxygen ga are conumed?
Answers
The reaction is a balanced equation, which means that for every 4 moles of NH3, 5 moles of O2 are consumed.
To determine the number of liters of O2 consumed, we need to first convert the number of liters of NH3 to moles, using the ideal gas law.
PV = nRT
Where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.
Given that the temperature and pressure are constant, we can use the ideal gas law to convert the number of liters of NH3 to moles:
n = PV/RT
Let's assume that the pressure and temperature are at standard conditions (1 atm and 273 K).
n = (3.20 L)(1 atm) / (0.0821 Latm/molK)(273 K)
n = 0.24 mol NH3
To find the number of moles of O2 consumed, we can use the balanced equation to find that 0.24 mol NH3 react with 0.3 mol O2.
So 3.2 L of NH3 gas would consume 0.3 L of O2 gas.
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Related Questions
The amount of energy required to turn a liquid into a gas is termed.
Answers
The amount of energy required to turn a liquid into a gas is termed latent heat.
What is Latent Heat?Latent heat, also known as the heat of vaporization or latent heat of vaporization is the magnitude of heat energy necessary to change the phase of a liquid substance to gas.
The change of phase, in this case, is not accompanied by a change in the temperature or the pressure of the liquid. In other words, latent heat is the amount of heat energy required to change a liquid to a gas at constant temperature and pressure.
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This is the actual answer
Answers
Answer: it is red
Explanation: it is getting hotter
Green main bonding jumper screws that are furnished with residential type panels should be installed in ___.
Answers
Green main bonding jumper screws that are furnished with residential type panels should be installed in the service panel enclosure.
The main bonding jumper is a conductor that connects the noncurrent-carrying metal parts of the electrical system to the grounding electrode system. This connection helps to ensure that the electrical system is properly grounded and that any stray current will be safely directed to the ground.
The main bonding jumper should be installed in the service panel enclosure because this is the central point of the electrical system. All of the noncurrent-carrying metal parts of the electrical system, such as the service panel enclosure, the service entrance cable, and the branch circuit conductors, are connected to the service panel enclosure.
By connecting the main bonding jumper to the service panel enclosure, all of these noncurrent-carrying metal parts are also connected to the grounding electrode system.
The main bonding jumper should be a solid copper conductor with a minimum cross-sectional area of 6 AWG. It should be installed in a way that allows for easy access for inspection and maintenance.
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Part e
in terms of the number of marked deer, what is the relative frequency of male deer, female deer, adult deer, and baby deer? write your answers
as simplified fractions.
also from you answer in part e how many male, female, adult and baby deer do you predict are in the park?
Answers
To calculate the relative frequency of male deer, female deer, adult deer, and baby deer, you'll need to divide the number of marked deer in each category by the total number of marked deer.
Let M = number of marked male deer
Let F = number of marked female deer
Let A = number of marked adult deer
Let B = number of marked baby deer
Let T = total number of marked deer
Relative frequency of male deer = M/T
Relative frequency of female deer = F/T
Relative frequency of adult deer = A/T
Relative frequency of baby deer = B/T
To predict the total number of male, female, adult, and baby deer in the park, multiply the relative frequencies by the estimated total population (P).
Predicted number of male deer = (M/T) * P
Predicted number of female deer = (F/T) * P
Predicted number of adult deer = (A/T) * P
Predicted number of baby deer = (B/T) * P
Make sure to round to the nearest whole number for each category, as deer numbers must be in whole values.
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Answer: Deer
Male: 1/5
Female: 3/10
Adult: 12/35
Baby: 11/70
Explanation:
Logan demonstrates to the class how mass must be conserved in every chemical reaction.
He measures the mass of hydrochloric acid and a magnesium strip separately. He then places the magnesium strip into the acid and bubbles form as the magnesium seems to
disappear. The combined mass afterward is less than the original.
Hydrochloric Acid + Magnesium
How could Logan explain this lower mass?
This is not a chemical reaction so the conservation laws do not apply.
The magnesium is destroyed and therefore the mass is less after the reaction.
The bubbles indicate that a gas is created and mass is lost as it escapes from the container.
The student must have not measured the mass correctly.
Answers
The bubbles indicate that a gas is created and mass is lost as it escapes from the container. Option 3.
Law of mass conservationAccording to the law of conservation of mass. the combined mass before the reaction must be equal to the combined mass after the reaction.
In the case of hydrochloric acid and magnesium, this is not the case. It is not so because when hydrochloric acid reacts with magnesium metal, hydrogen gas is liberated in the form of bubbles. These bubbles escaped into the atmosphere in the case of Logan.
Thus, the remaining mass must have escaped in the form of a gas.
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HURRY!!
In models of molecules, gray spheres are carbon atoms,
white spheres are hydrogen atoms, red spheres are oxygen
atoms, and blue spheres are nitrogen atoms.
Which model represents a molecule of ammonia, NH3 ?
Answers
In model of molecules, gray spheres are carbon atoms, white spheres are hydrogen atoms , red spheres are oxygen atoms and blue spheres are nitrogen atoms. the model represent a molecule of NH₃ is model (A) that contains one blue sphere and 3 white sphere.
Ammonia (NH₃ ) is formed with three atoms of hydrogen and one atom of nitrogen. In the molecule of NH₃ , three hydrogen atoms each shares their electron with nitrogen and form the covalent bond and molecule is formed NH₃ . in the given model (A) 3 white spheres of hydrogen are covalently bonded with one blue sphere of nitrogen.
Thus, In model of molecules, gray spheres are carbon atoms, white spheres are hydrogen atoms , red spheres are oxygen atoms and blue spheres are nitrogen atoms. the model represent a molecule of NH₃ is model (A) that contains one blue sphere and 3 white sphere.
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Extensive properties _____. ado not depend on the amount of matter present binclude the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor call depend on the chemical composition of the matter present dinclude the quantity of three-dimensional space enclosed by some closed boundary as well as mass
Answers
Extensive properties include the quantity of three-dimensional space enclosed by some closed boundary as well as mass.
What do you mean by extensive property?
A property of matter that alters as the amount of the substance changes is called an extensive property. An extensive property, like other physical qualities, can be seen and measured without any chemical change (reaction) taking place.
Intensive vs. Extensive PropertiesUnlike extensive characteristics, intensive properties are independent of the volume of the sample. No matter how much material you are looking at—large or small—they are all the same. Electrical conductivity is one such intense feature. A wire's composition, not its length, determines how electrically conductive it is. Two other illustrations of intense attributes are density and solubility.
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A chemist is studying the rate of the Haber synthesis: N2 + 3H2 2NH3
Starting with a closed reactor containing 1. 25 mol/L of N2 and 0. 50 mol/L of H2, the chemist finds that the H2 concentration has fallen to 0. 25 mol/L in 44 seconds. What is the N2 concentration after 44 seconds?
Answers
The concentration of the nitrogen after 44 seconds is 0.0175 mol/L.
What is the concentration of the nitrogen after 44 second?We know that the rate of reaction has to do with how fast or slow that the reaction is progressing. If the reaction is not progressing that fast we could say that the rate of reaction is slow but if the reaction is moving on quite fast we could say that the rate of the reaction is fact.
Having said this, we can see that the reaction that we have here is the Haber process and it involves the combination of the hydrogen and the nitrogen to form the product of the reaction.
Rate of consumption of hydrogen = 0. 25 mol/L - 0. 50 mol/L /44 s
= -5.68 * 10^-3 mol/Ls-1
For the nitrogen molecule we would now have;
3/2 * -5.68 * 10^-3 = M - 1.25/44
Let M be the final concentration of the nitrogen
-8.5* 10^-3 + 0.026 = M
M = 0.0175 mol/L
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lead exposure can cause all of the following except ?
Answers
Lead exposure can cause all of the following except for A. Skin burns. Hence option A. is the correct answer.
What happens in lead exposure?Lead poisoning happens when lead builds up in the body over some months or years. Small amounts of lead also can cause serious health problems. Children younger than 6 years are vulnerable to lead poisoning, which affect mental and physical development.
Lead can damage the central nervous system, cardiovascular system, reproductive system, hematological system, and also kidneys. When it is absorbed into the body in high enough doses, lead can be toxic. In addition to this , workers' lead exposure can harm their children's development.
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Note: The question given on the portal is incomplete. Here is the complete question.
Question: Lead exposure can cause all of the following except:
A. Skin burns
B. Kidney damage
C. Brain damage
D. Sterility
Which of the following is a noncontact force?
Answers
Answer:
gravity
Explanation: its a force that pulls you down but you are never making contact with it
Answer: Gravity
Explanation:
It pushes you down but you never actually touch it
How many grams are in 2.04 x 10^24 molecules of H2O
Answers
Answer: 0.611 grams in 2.04 x 10^24 molecules of H2O
Explanation:
To find out how many grams are in 2.04 x 10^24 molecules of H2O, we need to use the molar mass of water.
The molar mass of water is 18.015 g/mol.
To convert the number of molecules to the number of moles, we multiply by Avogadro's number, which is 6.022 x 10^23 molecules/mol.
2.04 x 10^24 molecules x 1mol/6.022 x 10^23 molecules = 0.034 mol
Then we multiply this number of moles by the molar mass of water to find the number of grams:
0.034 mol x 18.015g/mol = 0.611g
Therefore, there are 0.611 grams in 2.04 x 10^24 molecules of H2O.
An epicenter station is4,000 km away. How long after the the first wave did the first wave arrive?
Answers
The first wave appear after 320 seconds and after the arrival of P wave
We can use the formula TD = d × t / 100 km
TD = d × t / 100 km
= ( 4000 km × 8 s ) / 100 km
= 32000 km /s / 100 km
= 320 seconds
The first s-wave will arrived in 320 seconds after the arrival of the first p-wave
The earliest waves to reach a seismograph are known as P waves, or primary waves. The fastest seismic waves, known as P waves, can pass through solid, liquid, or gas. On the medium they travel through, they leave a trail of compressions and rarefactions
The second waves to arrive during an earthquake are called S waves, or secondary waves. They can only pass through solids and are substantially slower than P waves
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what is the mobile, stationary, retention factor in paper chromatography
Answers
Answer:
the ratio of the distance travelled by the solute to the distance travelled by the solvent
Explanation:
It is used in chromatography to quantify the amount of retaration of a sample in a stationary phase relative to a mobile phase.
●
As a solution becomes more basic or alkaline, how does it affect the concentration of
H3O* and OH ions?
Answers
the daily number of accidental disconnects with a server follows a Poisson distribution. on five days 2 5 3 3 7 accidental disconnects are observed.
a)obtain the maximum likelihood estimate of y(y upside down. i couldn
Answers
The maximum likelihood estimate of λ is 4.
To obtain the maximum likelihood estimate (MLE) of the parameter λ (lambda) in a Poisson distribution, we can use the observed data and the likelihood function.
In this case, the observed number of accidental disconnects on five days are 2, 5, 3, 3, and 7.
The likelihood function for the Poisson distribution is given by:
L(λ) = (e^(-λ) * λ^x) / x!
where λ is the parameter to be estimated and x is the observed number of events.
To find the MLE, we maximize the likelihood function by taking the derivative of the logarithm of the likelihood function with respect to λ and setting it equal to zero.
Taking the derivative and setting it to zero:
d(ln(L(λ)) / dλ = 0
Simplifying and solving for λ:
d(ln(e^(-λ) * λ^x) / dλ = 0
(-1 + x/λ) = 0
x = λ
Therefore, the maximum likelihood estimate (MLE) of λ is equal to the observed average number of events, which is the sum of the observed values divided by the number of observations:
MLE(λ) = (2 + 5 + 3 + 3 + 7) / 5
MLE(λ) = 20 / 5
MLE(λ) = 4
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You observe a car parked on the side of the road. If the car started to move, Which conclusion could you make?
The forces were balanced when the car was parked, but one or more forces changed. The total forces became unbalanced, causing it to move.
The forces were unbalanced when the car was parked. When the car moved, they became balanced.
The forces were balanced when the car was parked. The forces stayed balanced when it moved.
The forces were unbalanced when the car was parked, and two or more forces changed. The forces stayed unbalanced and caused the car to move.
Answers
Answer:
it was stable because of it was in Potential energy and unstable because it was in kinetic energy or vice Versa. im somehow confused
Kuong Incorporated sold a commercial office building used in the corporate business for $1.5 million. Kuong purchased the building in 2002 for a cost of $1.4 million and had deducted $538,000 MACRS depreciation through date of sale. Kuong should characterize the $638,000 gain recognized on sale as:
Answers
The $638,000 gain recognized on the sale of the commercial office building should be characterized as a capital gain.
When a property is sold for a higher price than its original cost, the resulting gain is generally classified as a capital gain. In this case, Kuong Incorporated sold the office building for $1.5 million, which is $100,000 higher than its initial cost of $1.4 million.
To determine the gain recognized on the sale, we need to consider the accumulated depreciation. Kuong had deducted $538,000 in MACRS depreciation through the date of sale. This depreciation reduces the cost basis of the building.
The gain recognized on the sale is calculated as the selling price minus the adjusted cost basis. Adjusted cost basis is the original cost minus accumulated depreciation.
Adjusted cost basis = Original cost - Accumulated depreciation
= $1.4 million - $538,000
= $862,000
Gain recognized = Selling price - Adjusted cost basis
= $1.5 million - $862,000
= $638,000
Since the gain of $638,000 is positive, it is characterized as a capital gain.
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when the following redox equation is correctly balanced in acid, what is the coefficient of the io3–?
Answers
When balancing a redox equation in acid, it is important to follow certain steps. Let's assume that the equation given is not provided in the question. To balance the equation, we need to assign oxidation states to each element and identify the species being reduced and oxidized.
In this equation, the IO3– ion is being reduced to I2, and the I– ion is being oxidized to I2. The oxidation state of oxygen is usually -2, and since there are three oxygen atoms in IO3–, the total oxidation state of oxygen is -6. This means that the oxidation state of iodine in IO3– must be +5 in order to balance out the -6 from oxygen. Now, to balance the equation, we start by balancing the atoms other than oxygen and hydrogen. In this case, we have two iodine atoms on the left side and two on the right side, so the iodine atoms are already balanced.
Next, we balance the oxygen atoms by adding H2O molecules to the side that lacks oxygen. In this equation, the right side has two oxygen atoms from I2, so we need to add three H2O molecules to the left side to balance the six oxygen atoms from IO3–.
The equation now becomes:
IO3– + I– → I2 + 3H2O
Now, we balance the hydrogen atoms by adding H+ ions. In this equation, there are already six hydrogen atoms from the three H2O molecules on the left side. Therefore, we need to add six H+ ions to the right side.
The final balanced equation is:
IO3– + I– + 6H+ → I2 + 3H2O
In this equation, the coefficient of IO3– is 1, indicating that one molecule of IO3– is involved in the reaction. The coefficient of IO3– in the correctly balanced equation is 1.
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Which of the following are states of matter? (Select all that apply.)
liquids
atoms
compounds
solids
Please pick at least more than one, select all that apply
Answers
Answer:
liquids and solids
Explanation:
states of matter describe the physical properties of something.
atoms and compounds make up things and have the ability to exists in all states of matter depending on pressure and temperature.
the most common states of matter are solid, liquid and gas.
other types include plasma and bose-einstein condensate.
liquids and solids are distinct states of matter due to their characteristic properties and behaviors.
Option (A) & (D) are correct.
States of matter refer to the distinct physical forms in which substances can exist. Liquids and solids are two of these states.
1. Liquids: Liquids have a definite volume but take the shape of their container. Particles in liquids have enough energy to move around but not enough to break free from their attraction to one another.
2. Solids: Solids have both definite shape and volume. The particles are closely packed and vibrate around fixed positions due to strong intermolecular forces.
3. Atoms: Atoms are the fundamental units of matter, but they do not represent a state of matter by themselves. They can exist in various states when combined with other atoms or molecules.
4. Compounds: Compounds are formed by the chemical combination of atoms, and while they can exist in different states, the term "compounds" alone does not indicate a specific state of matter.
In summary, liquids and solids are distinct states of matter due to their characteristic properties and behaviors
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The complete question is:
Which of the following are states of matter? (Select all that apply.)
A) liquids
B) atoms
C) compounds
D) solids
Please pick at least more than one, select all that apply
Which term best describes this reaction? O addition. O Condensation. O elimination. O substitution
Answers
Answer:
addition
Explanation:
because you add the two chlorides by breaking the carbon carbon double bond
Explain the various factors that impact the solubility of substances in water.
Answers
Answer:
There are two direct factors that affect solubility: temperature and pressure.
Explanation:
Temperature affects the solubility of both solids and gases.
Pressure only affects the solubility of gases
How are the particles arranged and how do the particles move in sodium chloride at 900 c
Answers
Explanation:
Particles is a gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern....
I hope you got it
What is the rate of a reaction if the value of k is 3 and [A] and [B] are each 2
M?
Rate = k[A]2[B]
A. 12 (mol/L)/S
B. 2 (mol/L)/S
C. 36 (mol/L)/s
D. 24 (mol/L)/s
Answers
Answer:
rate = 24 (mol/L)⁻³/s
Explanation:
Rate equation:
Rate = K[A]²[B]
Concentration of A = 2M
Concentration of B = 2M
K = 3
by substituting values,
rate = 3 (mol/L)⁻³/s×[2]² ×[2]
rate = 24 (mol/L)⁻³/s
Factors identified as associated with (and possibly causing) type 1 diabetes mellitus include all of the following EXCEPT;
a) autoimmune reaction
b) absolute deficiency of insulin
c) dysfunctional insulin receptors
d) genetic factors
Answers
The factor identified as not associated with (and possibly causing) type 1 diabetes mellitus is option c) dysfunctional insulin receptors.
Insulin-producing cells in the pancreas are destroyed in type 1 diabetes mellitus, an autoimmune condition. Type 1 diabetes mellitus is thought to be caused by or be influenced by the following factors:
Autoimmune response: An inadequate supply of insulin results from the immune system wrongly attacking and destroying the pancreatic beta cells that produce insulin.Total lack of insulin: When beta cells are destroyed, the body experiences a total lack of insulin because the generation of insulin is either drastically decreased or stopped.Genetic factors: Type 1 diabetes has a strong hereditary component, and some genetic variants can raise the likelihood of acquiring the disease.A hormone called insulin is produced by beta cells in the pancreas. It is essential for controlling blood sugar levels and making it easier for cells to absorb glucose for use as fuel. Insulin signals cells in the liver, muscle, and fat tissues to absorb glucose from the bloodstream, assisting in the maintenance of normal blood sugar levels.
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calculate the mass of oxygen gas required to occupy a volume of 6 l at a pressure of 20.9 kpa and a temperature of 37◦c.
Answers
At a pressure pf 20.9 kpa as well as a temperature near 37 °C, the mass liquid oxygen gas needed to fill a volume od 6 l is 1.56G.
Mass, by what name?It all comes together in the celebration of the Eucharist mass, the main act of worship in the Roman Catholic Church. Ite, missa est, the Latin ecclesiastical expression for the congregation's dismissal, is where the word "mass" originates.
How do mass and volume work?A: An object's volume, which is expressed in cubic units, is the space that it takes up in three dimensions. Both cm3 and in3 are examples of cubic units. The quantity of matter in an item is quantified by its mass, on the other hand. How much is a common way of determining mass.
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A white powdery chemical sedimentary rock that does not react to hydrochloric acid is?
Answers
A white powdery chemical sedimentary rock that does not react to hydrochloric acid could be chalk or gypsum.
Chalk is a soft, porous form of limestone composed primarily of the mineral calcite (calcium carbonate).
It is commonly used for writing on blackboards or as a dietary supplement. Gypsum, on the other hand, is composed of calcium sulfate dihydrate and is often used in construction materials such as drywall.
When hydrochloric acid is applied to gypsum, there is no significant effervescence or bubbling, indicating the absence of a chemical reaction.
This distinctive property allows geologists and mineralogists to identify gypsum in various geological formations and helps differentiate it from other minerals that may react with acid.
Both chalk and gypsum are relatively soft and can be easily scratched with a fingernail. They do not react with hydrochloric acid, as their main constituent minerals are not soluble in acid.
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Do we see color with absorption Through our eyes with? Yes or No explain (Science)
Answers
Answer: yes
Explanation: Light receptors within the eye transmit messages to the brain, which produces the familiar sensations of color. Newton observed that color is not inherent in objects. Rather, the surface of an object reflects some colors and absorbs all the others. We perceive only the reflected colors.
Express each number in scientific notation.
a. 700
b. 38,000
c. 4,500,000
d. 685,000,000,000
e. 0.0054
f. 0.00000687
g. 0.000000076
h. 0.0000000008
Answers
b) 3.8x 10^4
c) 4.5x10^6
d)6.85x10^11
e)5.4x10^-3
f)6.87x 10^-6
g)7.6x10^-8
h)8x10^-10
Nonpolar amino acid residues are typically found in the interior of globular proteins like trypsin. Which chemical force is most directly responsible?.
Answers
The chemical force most directly responsible in the given case is hydrophobic interactions.
The interactions between hydrophobes and water, or low water-soluble compounds, are illustrated by the hydrophobic interactions. Nonpolar hydrophobes often have a longer carbon chain than polar molecules and do not interact with the water molecules. By removing a peptide from the N terminus of trypsinogen, it can become trypsin, which allows a salt bridge to develop between the new N-terminal.
The trypsin "activation domain" undergoes a conformational shift in response to the development of this salt bridge, resulting in the establishment of the oxyanion hole and S1 binding site. Trypsinogen activation thus seems to be an illustration of protein folding influenced by electrostatic interactions. The activation domain receives 5 kcal/mol of stabilization energy through hydrophobic interactions with the Ile16 side chain.
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covalent compounds contain
Answers
Answer: Covalent compounds have bonds where electrons are shared between atoms. Due to the sharing of electrons, they exhibit characteristic physical properties that include lower melting points and electrical conductivity compared to ionic compounds.
hope this helps!
Explanation: