1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elan Coil [88]
3 years ago
5

Using this reversible reaction, answer the following:

Chemistry
2 answers:
spin [16.1K]3 years ago
4 0
<span>-Products formed by the forward 
reaction may react with each other to regenerate the reactants. 
-When reactants are mixed, they will begin to react at a forward reaction rate particular to that chemical reaction. 
- As reactants are depleted and products are formed, however, the rate of the forward reaction begins to slow, and the rate of the reverse reaction begins to increase.</span>
Mamont248 [21]3 years ago
4 0
<h2>Question 1.</h2><h3>Answer:</h3>

The concentration of [N2O4] will decrease.

<h3>Explanation:</h3>
  • As the reverse reaction which is the formation of N2O4 is an exothermic reaction and the formation of NO2 is an endothermic reaction.
  • Hence heating will favor the forward reaction and stops the reverse reaction.
  • N2O4 --> 2NO2
  • So the concentration of N2O4 decreases.
<h2>Question: 2.</h2><h3>Answer:</h3>

The formation of the products is favored by the addition of heat.

<h3>Explanation:</h3>
  • As the reverse reaction which is the formation of N2O4 is an exothermic reaction and the formation of NO2 is an endothermic reaction.
  • So the addition of heat will favor endothermic reaction.
  • Hence the formation of NO2 will be favored which is a product.
<h2>Question no.4:</h2><h3>Answer:</h3>

The reverse reaction is an exothermic reaction.

N2O4 <-- 2NO2.

<h3>Explanation:</h3>
  • N2O4 which is a reactant in this reaction is colorless compound.
  • Its breakdown absorbs energy and its formation release energy in form of heat.
  • So the reverse reaction which releases energy is an exothermic reaction.
<h2>Question no. 4</h2><h3>Answer:</h3>

The correct option is D which is N2O4 <--> 2NO2, HR = -14 kcal.

<h3>Explanation:</h3>
  • Enthalpy is the change in energy in reactants and products.
  • It is actually the difference in energies of products and reactant.
  • As the enthalpy change from left to right, it means reactants have internal energy 14 kcal high than products and it will be released.
  • And in option D which is shown as HR = -14 kcal.

You might be interested in
Question 6 the chemical formula ch2o can be classified as: empirical only. molecular only. empirical, possibly molecular. not en
frosja888 [35]
The chemical formula CH2O can be classified as Empirical formula and possibly a molecular formula. The empirical formula of a compound is the simplest formula that indicates the simplest ratio of atoms in the compound, while the molecular formula is the representation of the actual whole number ratio between the elements of the compound. 
6 0
3 years ago
For question #12, use the following picture:<br><br> 12. What element is this? How do you know?
labwork [276]

Answer: The element shown in the image is Helium (He).

Explanation: We are given a image of an atom having protons, neutrons and electrons.

Number of protons as shown in image = 2

Number of neutrons as shown in image = 2

Number of electron as shown in image = 2

Atomic number = Number of protons = Number of electrons

Atomic number of the element = 2

Atomic Mass = Number of protons + Number of neutrons

Atomic mass = 2 + 2 = 4

The element having Atomic number = 2 and mass number = 4 is Helium.

Element = ^4_2\textrm{He}

8 0
3 years ago
Read 2 more answers
List two general properties of molecular compounds
Katen [24]

Low melting points and boiling points. ...Low enthalpies of fusion and vaporization These properties are usually one or two orders of magnitude smaller than they are for ionic compounds.Soft or brittle solid forms. ...Poor electrical and thermal conductivity.
5 0
3 years ago
How do plants release energy
ololo11 [35]

Answer:

no but oxygen

Explanation:

no but oxygen

7 0
3 years ago
Read 2 more answers
Mario uses a hot plate to heat a beaker of 50mL of water. He used a thermometer to measure the
mojhsa [17]

Answer:

Mario uses a hot plate to heat a beaker of 50mL of water. He used a thermometer to measure the

temperature of the water. The water in the beaker began to boil when it reached the temperature of

100'C. If Mario completes the same experiment with 25mL of water, what would happen to the boiling

point?

a) The water will not reach a boil.

b) The boiling point of water will increase.

c) The boiling point of water will decrease.

d) The boiling point of water will stay the same.

Explanation:

6 0
3 years ago
Other questions:
  • What does the frequency of a wave represent
    8·1 answer
  • Single-crystal sapphire has a melting point of aorund 2323K what is the melting point in degrees Celsius?
    14·1 answer
  • Explain the concept of electron density
    5·1 answer
  • 2.1 The reaction of nitrogendioxide and carbonmonoxide in the gas state to form carbondioxide and nitricoxide is represented by
    9·1 answer
  • How is using a bow and arrow mechanical and potential energy?
    10·2 answers
  • How much heat is required to raise the temperature of 179g of acetic acid, CH3COOH, from 250C to 82.70C?
    5·1 answer
  • An unknown metal has a density of 10.51 g/ml and a mass of 287.8 g. What is the
    12·2 answers
  • When a solid undergoes _____ it takes up less space due to cooling
    8·2 answers
  • H2(g)+I2(s)→HI(s)H2(g)+I2(s)→HI(s) balance equations
    7·1 answer
  • 5) How many kilograms are there in 7.50 x 10^26 molecules of sulfuric acid?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!