Keq And Ice Problems Worksheet With Answers printable pdf download

Keq And Ice Problems Worksheet With Answers

K eq and ICE Problems Worksheet

1. Calculate the equilibrium constant, K eq , for the following reaction at 25 °C, if [NO] eq = 0.106 M,

[O 2 ] eq = 0.122 M and [NO 2 ] eq = 0.129 M.

(Answer: K eq = 12.1)



2 NO (g)

O 2 (g)

2 NO 2 (g)

2. Given the balanced equation and the value for K eq from #1, calculate new value of K eq for the

following:

(Answer: a. K eq = 1.87, b. K eq = 0.0826, K eq = 0.287)



NO (g)

O 2 (g)

NO 2 (g)



b. 2 NO 2 (g)

2 NO (g)

O 2 (g)



c. NO 2 (g)

NO (g)

O 2 (g)

3. Find the equilibrium constant, Keq, for the following equilibrium. The initial concentrations of AB

and A 2 D are 0.30 M before they are mixed and when equilibrium is reached, the equilibrium

concentration of A 2 D is 0.20 M. Use an ICE table for your calculation. (Answer: K eq = 0.80)



2 AB (g)

C 2 D (s)

A 2 D (g)

2 CB (s)

if Keq = 1.2 x 10 -5 .

4. If 0.50 mol of NO 2 is placed in a 2.0L flask to create NO and O 2 , calculate [ ]

(Answer: [O 2 ] eq = 0.0057 M, [NO] eq = 0.0114 M, [NO 2 ] eq = 0.24 M)

Keq And Ice Problems Worksheet With Answers