Equilibrium

Practice Questions

College Chemistry › Equilibrium

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1

$CaF_{2}(s)\rightleftharpoons\ Ca^{2+}(aq)\ +\ 2F^{-}(aq)$

Express the solubility product constant expression for the given reaction.

2

$CaF_{2}(s)\rightleftharpoons\ Ca^{2+}(aq)\ +\ 2F^{-}(aq)$

Express the solubility product constant expression for the given reaction.

3

Consider the following equation at equilibrium:

$4\text{NH}_3(g)+5\text{O}_2(g)\rightleftharpoons4\text{NO}(g)+6\text{H}_2\text{O}(g)$

What would happen if more $\text{NO}$ were added to the system?

4

Consider the following equation at equilibrium:

$4\text{NH}_3(g)+5\text{O}_2(g)\rightleftharpoons4\text{NO}(g)+6\text{H}_2\text{O}(g)$

What would happen if more $\text{NO}$ were added to the system?

5

Consider the following equation at equilibrium:

$2\text{SO}_2(g)+\text{O}_2(g)\rightleftharpoons 2\text{SO}_3(g)$

What would happen if more $\text{O}_2$ were added into the equation?

6

$PbCl_{2}(s)\rightleftharpoons\ Pb^{2+}(aq)\ +\ 2Cl^{-}(aq)$

Express the solubility product constant expression for the given reaction.

7

Consider the following equation at equilibrium:

$2\text{SO}_2(g)+\text{O}_2(g)\rightleftharpoons 2\text{SO}_3(g)$

What would happen if more $\text{O}_2$ were added into the equation?

8

$PbCl_{2}(s)\rightleftharpoons\ Pb^{2+}(aq)\ +\ 2Cl^{-}(aq)$

Express the solubility product constant expression for the given reaction.

9

How many grams of $\textrm{BaF}_{\textrm{2}}$ are dissolved in 75.0 mL of a saturated solution of $\textrm{BaF}_{\textrm{2}}$ ?

$\textrm{BaF}_{\textrm{2}}(s)\rightleftharpoons\textrm{Ba}^{\textrm{2+}}(aq)\textrm{ + 2 F}^{\textrm{ -}}(aq)$

$\textrm{K}_{\textrm{sp}}=1.00\textrm{ x 10}^{-6}$

10

Calculate the molar solubility of barium fluoride when it is dissolved in a solution containing of sodium fluoride. Barium fluoride has a $\text{K}_{sp}$ value of $2.45\times 10^{-5}$ .

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