Free Printable Kinetics Calculations

1.

What is the rate of the following reaction?

$C_2H_{4\left(g\right)}+O_{3\left(g\right)}\longleftrightarrow\ C_2H_4O_{\left(g\right)}+O_{2\left(g\right)}$

a)

$-\frac{\Delta\left[O_2\right]}{\Delta t}$

b)

$-\frac{\Delta\left[C_2H_{\text{4}}O\right]}{\Delta t}$

c)

$-\frac{\Delta\left[O_3\right]}{\Delta t}$

d)

$-\frac{\Delta\left[C_2H_4\right]}{\Delta t}$

2.

Calculate the average rate based on the table given and the equation below:

$C_2H_4+O_3\rightarrow C_2H_4O+O_2$

a)

$3.50\times10^{-7}\ mol\ L^{-1}\cdot s^{-1}$

b)

$7.1\times10^{-7}$ mol/L/s

c)

$-3.50\times10^{-7}\ mol\ L\cdot s$

d)

$-7.1\times10^{-7\ }$ mol/L

3.

What is the reaction order of all the reactants? What is the overall reaction order? Use the following equation and rate law: $H_2O_{2(aq)}+3I^-(aq)+2H_{(aq)}^+\ \rightarrow\ I_{3(aq)}^-+2H_2O_{(l)};rate=k[H_2O_2][I^-]$

a)

The reaction is zero-order in $H_2O_2$ , 1st order in $I^-$ and zero-order in $H^+$ , and 6th order overall.

b)

The reaction is 1st order in $H_2O_2$ , 1st order in $I^-$ and zero-order in $H^+$ , and 2nd order overall.

c)

The reaction is 1st order in $H_2O_2$ , 3rd order in $I^-$ and 2nd order in $H^+$ , and 6th order overall.

d)

The reaction is 1st order in $H_2O_2$ , 3rd order in $I^-$ and 2nd order in $H^+$ , and 2nd order overall.

4.

a)

A

b)

B

c)

C

d)

D

5.

Find m.

a)

m = 4

b)

m = 2

c)

m = 1

d)

m = 0

6.

Find n.

a)

n = 4

b)

n = 2

c)

n = 1

d)

n = 0

7.

Find p.

a)

p = 4

b)

p = 2

c)

p = 1

d)

p = 0

8.

What is the overall reaction order?

a)

1

b)

2

c)

3

d)

4

9.

At 1000 degrees C, cyclobutane ( $C_4H_8$ ) decomposes in a first-order reaction with the very high rate constant of $87\ s^{-1}$ to yield two molecules of ethylene ( $C_2H_4$ ). If the initial [ $C_4H_8$ ] is 2.00 M, what is the concentration after 0.010 s of reaction?

a)

0.1 M

b)

1.13 M

c)

83 M

d)

0.83 M

10.

What is the answer for part a?

a)

$0.46\ s$

b)

$0.075\ s$

c)

$0.75\ s$

d)

$4.6\ s$

11.

What is the answer for part b?

a)

$0.375\ s$

b)

$0.015\ s$

c)

$0.15\ s$

d)

$0.0375\ s$

12.

This is a ____ -order reaction.

a)

first

b)

second

c)

third

d)

zero

13.

This is a ____ -order reaction.

a)

first

b)

second

c)

third

d)

zero

14.

This is a ____ -order reaction.

a)

first

b)

second

c)

third

d)

zero

15.

a)

176 mol/kJ

b)

1.76 kJ/mol

c)

176 kJ/mol

d)

1.76 mol/kJ

16.

A catalysts that exists in solution with the reaction mixture is _______

a)

solid

b)

heterogenous

c)

liquid

d)

homogenous

17.

A catalyst that is in a different phase from the reaction mixture is __________

a)

solid

b)

heterogenous

c)

liquid

d)

homogenous

18.

this is a _______-order reaction.

a)

zero

b)

first

c)

second

d)

third

19.

this is a _______-order reaction.

a)

zero

b)

first

c)

second

d)

third

20.

this is a _______-order reaction.

a)

zero

b)

first

c)

second

d)

third

Kinetics Calculations

Total questions: 20

Worksheet time: 1hrs 10mins

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