The effec The frequency of a. I only b. II only Which accounts for the increase in the rate of react a. decrease in AH for the reaction b. in d. increase in c. increase in potential energy of the reactants e. decrease in potential energy of the activated complex 6. Collision theory predicts all of the following except that a. a reaction will only occur if the collision orientation is correct b. a reaction will not occur if the collision occurs with energy that is less than the activation energy c. a reaction will not occur if the reactants do not collide d. frequency of collisions will increase with increasing temperature e. more successful collisions will occur for a reaction with a larger activation energy the same rate [N₂] decreases ate INH,] increases H₂) decreases Which statement correctly reflects the relative changes in concentrations of reactant and products for the 3H2NH?
The effec The frequency of a. I only b. II only Which accounts for the increase in the rate of react a. decrease in AH for the reaction b. in d. increase in c. increase in potential energy of the reactants e. decrease in potential energy of the activated complex 6. Collision theory predicts all of the following except that a. a reaction will only occur if the collision orientation is correct b. a reaction will not occur if the collision occurs with energy that is less than the activation energy c. a reaction will not occur if the reactants do not collide d. frequency of collisions will increase with increasing temperature e. more successful collisions will occur for a reaction with a larger activation energy the same rate [N₂] decreases ate INH,] increases H₂) decreases Which statement correctly reflects the relative changes in concentrations of reactant and products for the 3H2NH?
Chapter12: Chemical Kinetics
Section: Chapter Questions
Problem 3RQ: One experimental procedure that can be used to determine the rate law of a reaction is the method of...
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Question
Plz answer question num 6 only and plz fast
![Riverdale Collegiate Institute
Name: Madison Castle
Part A: Multiple Choice
Do NOT WRITE anywhere on this page.
1. Which of the following is a rate law for which the units of rate are equal to the units of the rate constant?
a. Rate= k [A]
b. Rate=k [A]2
c. Rate= k [A][B]³
d. Rate= k [A][B][C]²
e. Rate-k [A][B]
2. For the reaction 2 NO₂+ F₂→2 NO₂F the proposed mechanism is:
(slow)
(fast)
step 1: NO₂+F₂-NO₂F+F
step 2: F+NO₂ → NO₂F
Which of the following is/are correct:
I.
II.
III.
The mechanism supports an experimentally determined rate law of rate = k[NO2]²[F₂]
F is a reaction intermediate
b. I and II only
The reaction is first order with respect to F₂
a. I only
c. I and III only
d. II and III only
e. I, II, and III
3. The values for the change in enthalpy, AH, and the activation energy, E., for a given reaction are known.
The value of E, for the reverse reaction equals
c. the sum of -(AH) and E,
b.-(E) for the forward reaction
e. the difference between AH and E,
a. E, for the forward reaction
d. the sum of E, and AH
4. Which applies to a reaction as it proceeds at constant temperature?
I. The rate of the reaction decreases.
d. II and III only
c. I and II only
II. The effectiveness of collisions between reactant molecules remains the same.
b. II only
III. The frequency of collisions between reactant molecules remains the same.
a. I only
e. I, II, and III
b. increase in AS for the reaction
5. Which accounts for the increase in the rate of reaction when a catalyst is added to a reaction system?
a. decrease in AH for the reaction
d. increase in potential energy of the products
c. increase in potential energy of the reactants
e. decrease in potential energy of the activated complex
b.
6. Collision theory predicts all of the following except that
a.
a reaction will only occur if the collision orientation is correct
a reaction will not occur if the collision occurs with energy that is less than the activation energy
a reaction will not occur if the reactants do not collide
C.
d. frequency
of collisions will increase with increasing temperature
e. more successful collisions will occur for a reaction with a larger activation energy
7. Which statement correctly reflects the relative changes in concentrations of reactant and products for the
reaction Na+ 3H2NH?
[H.] decreases at the same rate [N₂] decreases
b. [H.] decreases at
the rate [NH,] increases
e. [N] increases at the same rate as [NH,] decreases
d. [N] increases at
the rate [NH,] decreases
e. [N] decreases at
the rate [NH,] increases
Lausible reaction m
add up to](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc890e1f6-fb92-43a2-8993-629a82d75633%2Ffd549ddb-8ff1-4de3-8362-e3b6301dfb19%2Fnolq2ej_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Riverdale Collegiate Institute
Name: Madison Castle
Part A: Multiple Choice
Do NOT WRITE anywhere on this page.
1. Which of the following is a rate law for which the units of rate are equal to the units of the rate constant?
a. Rate= k [A]
b. Rate=k [A]2
c. Rate= k [A][B]³
d. Rate= k [A][B][C]²
e. Rate-k [A][B]
2. For the reaction 2 NO₂+ F₂→2 NO₂F the proposed mechanism is:
(slow)
(fast)
step 1: NO₂+F₂-NO₂F+F
step 2: F+NO₂ → NO₂F
Which of the following is/are correct:
I.
II.
III.
The mechanism supports an experimentally determined rate law of rate = k[NO2]²[F₂]
F is a reaction intermediate
b. I and II only
The reaction is first order with respect to F₂
a. I only
c. I and III only
d. II and III only
e. I, II, and III
3. The values for the change in enthalpy, AH, and the activation energy, E., for a given reaction are known.
The value of E, for the reverse reaction equals
c. the sum of -(AH) and E,
b.-(E) for the forward reaction
e. the difference between AH and E,
a. E, for the forward reaction
d. the sum of E, and AH
4. Which applies to a reaction as it proceeds at constant temperature?
I. The rate of the reaction decreases.
d. II and III only
c. I and II only
II. The effectiveness of collisions between reactant molecules remains the same.
b. II only
III. The frequency of collisions between reactant molecules remains the same.
a. I only
e. I, II, and III
b. increase in AS for the reaction
5. Which accounts for the increase in the rate of reaction when a catalyst is added to a reaction system?
a. decrease in AH for the reaction
d. increase in potential energy of the products
c. increase in potential energy of the reactants
e. decrease in potential energy of the activated complex
b.
6. Collision theory predicts all of the following except that
a.
a reaction will only occur if the collision orientation is correct
a reaction will not occur if the collision occurs with energy that is less than the activation energy
a reaction will not occur if the reactants do not collide
C.
d. frequency
of collisions will increase with increasing temperature
e. more successful collisions will occur for a reaction with a larger activation energy
7. Which statement correctly reflects the relative changes in concentrations of reactant and products for the
reaction Na+ 3H2NH?
[H.] decreases at the same rate [N₂] decreases
b. [H.] decreases at
the rate [NH,] increases
e. [N] increases at the same rate as [NH,] decreases
d. [N] increases at
the rate [NH,] decreases
e. [N] decreases at
the rate [NH,] increases
Lausible reaction m
add up to
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