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[AP Chem] Kinetics Quiz

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

Rate laws are typically based on which kind of reactions?

a)

Reverse Reactions

b)

Forward Reactions

c)

Chemical Reactions

d)

Physical Reactions

2.

Which type of Rate Law is commonly shortened to just "Rate Law"?

(a)  

3.

Which expression is the accurate Zeroth Order Integrated Rate Law?

a)

1[A]\frac{1}{\left[A\right]} = kt + 1[A]\frac{1}{\left[A\right]₀}

b)

ln[A] = -kt + ln[A]₀

c)

[A] = -kt + [A]₀

d)

[A] = kt + [A]₀

4.

What does "B" represent in this graph?

(a)  

5.

Which letter represents the Activated Complex?

a)

A

b)

B

c)

C

d)

D

6.

Which graph represents an Endothermic reaction?

a)
b)
7.

Which formula calculates Rate?

a)

Δ[A]Δ[t]\frac{Δ\left[A\right]}{Δ\left[t\right]}

b)

ΔtΔ[A]\frac{Δt}{Δ\left[A\right]}

c)

Δ[t]ΔA\frac{Δ\left[t\right]}{ΔA}

d)

Δ[A]Δt\frac{Δ\left[A\right]}{Δt}

8.

What does "D" represent?

(a)  

9.

How does one determine the order of reactants? For example, the orders of A and B in Rate = k[A][B].

a)

Experimentally

b)

The coefficients in the balanced equation

c)

They are given

d)

Graphing

10.

Which order of reaction has a positive slope?

(a)  

11.

Which expression is the accurate Second Order Integrated Rate Law?

a)

log[A] = -kt + log[A]₀

b)

ln[A] = -kt + ln[A]₀

c)

[A] = -kt + [A]₀

d)

ln[A] = kt + ln[A]₀

12.

What is the symbol for Initial Concentration?

(a)  

13.

For a given process, the Ea forward is +120kJ. For the reverse reaction, the Ea is +70kJ. What is the energy change for the forward process?

a)

-50kJ

b)

-190kJ

c)

+190kJ

d)

+50kJ

e)

0kJ

14.

Calculate the orders of each ion. Choose the correct rate law.

a)

Rate = k[BrO₃]1[Br]1[H₃O]2

b)

Rate = [Br]1[BrO₃]1[H₃O]2

c)

Rate = k[H₃O][BrO₃][Br]

d)

Rate = k[BrO₃]2[Br]2[H₃O]1

e)

Rate = -k[BrO₃]1[Br]1[H₃O]2

15.

What is a pseudo-rate law?

a)

A rate law that is false

b)

A rate law that is result of the simplification of a more complex rate law

c)

A rate law that is incomplete, due to lacking orders

d)

A rate law that represents the abstract concept of rate laws (Rate = k[A][B]), without specific reactants or orders

e)

A rate law that does not have any variables calculated

16.

What is a Reaction Mechanism?

a)

The initial product and the final reactants solely

b)

The intermediate substances of a reaction solely

c)

The mechanism by which reactions occur; activation energy

d)

The series of steps a reaction takes to go from reactant to product

17.

Which of the following Rate Laws are Bimolecular?

a)

Rate = [A]

b)

Rate = k[A]2

c)

Rate = k[A][B][C]

d)

Rate = k[A][B]

e)

Rate = [A]2[B]2

18.

How does one calculate the Overall Reaction Order?

(a)  

19.

Which is the Differential Rate Law for the equation A₂ + 2B → 2AB?

a)

Rate = k[A₂][B]2

b)

Rate = k[AB]n

c)

Rate = k[A₂]n[B]n

d)

Rate = k[AB]2

e)

Rate = [A₂]n[B]n

20.

Which letter is used to represent the Proportionality Constant (and far too many other constants)?

(a)  

21.

How difficult was this quiz?

a)

Easy

b)

Moderately easy

c)

Moderately difficult

d)

Difficult