Have an account?
Skip to Content
14 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following plots will show a linear relationship for a second order reaction?
[A] vs time
1/[A] vs time
ln[A] vs time
[A]2 vs time
- Multiple ChoicePlease save your changes before editing any questions.
The iodide ion reacts with hypochlorite ion in the following way:
OCl- + I- ⟶ OI- + Cl-.
This rapid reaction gives the rate data shown. What is the rate law?
rate = [OCl-]2[I-]
rate = [OCl-][I-]2
rate = [OCl-][I-]
rate = [OCl-]
- Multiple ChoicePlease save your changes before editing any questions.
The following data were measured for the reaction
BF3(g) + NH3(g) ⟶ F3BNH3(g)
What is the rate law for the reaction?
rate = k[NH3]
rate = k[BF3]2[NH3]
rate = k[BF3][NH3]
rate = k[BF3][NH3]2
- Multiple ChoicePlease save your changes before editing any questions.
The following data were measured for the reaction
BF3(g) + NH3(g) ⟶ F3BNH3(g)
What is the rate when [BF3] = 0.100 M and [NH3] = 0.500 M ?
.01704 M/s
.0852 M/s
.1704 M/s
.852 M/s
- Multiple ChoicePlease save your changes before editing any questions.
A reaction is found to be second order with respect to carbon monoxide. If the concentration of carbon monoxide is doubled, the rate of reaction __________.
doubles
remains unchanged
increases by a factor of 4
is reduced by a factor of 2
- Multiple ChoicePlease save your changes before editing any questions.
What letter represents the activation energy?
A
B
C
D
- Multiple ChoicePlease save your changes before editing any questions.
Which of the two graphs show a state of equilibrium being reached?
A
B
A and B
Neither.
- Multiple ChoicePlease save your changes before editing any questions.
Given the following rate law,
rate = k[A]2[B]
if [A] were doubled, what must happen to [B] to keep the rate constant?
[B] must quadruple
[B] must double
[B] must be havled
[B] must be quartered
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following best describes why increasing temperature increase reaction rate?
Activation energy is reduced.
Collisions become more frequent.
Collisions become more energetic.
Collisions become more frequent and more energetic.
- Multiple ChoicePlease save your changes before editing any questions.
rate = k[A]
The rate constant in the rate law above is 0.5 1/s. If the initial concentration of A is 0.1 M, how long will it take for [A] to drop to 0.025 M?
0.7 s
1.4 s
2.8 s
There is not enough information given.
- Multiple ChoicePlease save your changes before editing any questions.
Which species is the catalyst in this reaction mechanism?
R
W
X
There is no catalyst.
- Multiple ChoicePlease save your changes before editing any questions.
What is the rate law for this mechanism?
rate = k[A][B]2
rate = [B][X]
rate = [A]0.5[B]1.5
rate = [W][Y][Z]
- Multiple ChoicePlease save your changes before editing any questions.
The addition of a catalyst to this reaction would cause a change in which of the indicated energy differences?
I
II
III
I and II
- Multiple ChoicePlease save your changes before editing any questions.
Which factors increase the rate of a reaction?
increasing temperature
increasing concentration
increasing surface area
all of the above