Help with Equilibrium Constant

Practice Questions

High School Chemistry › Help with Equilibrium Constant

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1

Consider the following balanced equation for the solubility of barium hydroxide in an aqueous solution.

$Ba(OH)_{2}_{(s)} \rightleftharpoons Ba^{2+}_{(aq)} + 2OH^{-}_{(aq)}$

$\small K_{sp} = 5*10^{-3}$

What is the equilibrium expression for the balanced reaction?

2

Consider the following reaction:

$3H_{2}_{(g)} + N_{2}_{(g)} \rightarrow 2NH_{3}_{(g)}$

What is the equilibrium constant for this reaction?

3

Consider the following balanced reaction:

$H_{2}O_{(g)} + C_{(s)} \rightarrow H_{2}_{(g)} + CO_{(g)}$

What is the equilibrium expression for this reaction?

4

Which of the following factors will change the equilibrium constant, Keq?

5

For the following reaction, what would be the correct equilibrium expression?

$Mg (s) + 2HCl (aq) \rightarrow MgCl_{2} (aq) + H_{2} (g)$

6

What is the equilbrium constant for a reaction written in reverse if the forward reaction has constant K?

7

If the equilibrium constant lies farther to the right, this indicates that the reaction __________.

8

What equation gives the equilibrium constant for the following reaction?

$N_2(g)+O_2(g)\rightleftharpoons2NO(g)$

9

What is the difference between the reaction quotient and the equilibrium constant?

10

Determine the equation for the equilibrium constant of the following unbalanced reaction:

$Ba(OH)_2_{(aq)} + FeCl_2_{(aq)} \rightleftharpoons Ba^{2+}_{(aq)} + Cl^-_{(aq)} + Fe(OH)_{2(s)}$

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