Question
Write the equilibrium equation and the $K_{x p}$ expression for each of the following.(a) $\mathrm{Co}_2 \mathrm{~S}_3$(b) $\mathrm{PbCl}_2$(c) $\mathrm{Zn}_2 \mathrm{P}_2 \mathrm{O}_7$(d) $\mathrm{Sc}(\mathrm{OH})_3$
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Write the equilibrium equation and the $K_{\mathrm{sp}}$ expression for each of the following. (a) $\mathrm{Co}_{2} \mathrm{~S}_{3}$ (b) $\mathrm{PbCl}_{2}$ (c) $\mathrm{Zn}_{2} \mathrm{P}_{2} \mathrm{O}_{7}$ (d) $\mathrm{Sc}(\mathrm{OH})_{3}$
Write the expression for the equilibrium constant $K_{c}$ for each of the following equations: $$ \begin{array}{l} \text { a } \mathrm{C}(s)+\mathrm{CO}_{2}(g) \rightleftharpoons 2 \mathrm{CO}(g) \\ \text { b } \mathrm{FeO}(s)+\mathrm{CO}(g) \rightleftharpoons \mathrm{Fe}(s)+\mathrm{CO}_{2}(g) \\ \text { c } \mathrm{Na}_{2} \mathrm{CO}_{3}(s)+\mathrm{SO}_{2}(g)+\frac{1}{2} \mathrm{O}_{2}(g) \rightleftharpoons \mathrm{Na}_{2} \mathrm{SO}_{4}(s)+\mathrm{CO}_{2}(g) \\ \text { d } \mathrm{PbI}_{2}(s) \rightleftharpoons \mathrm{Pb}^{2+}(a q)+2 \mathrm{I}^{-(a q)} \end{array} $$
Write the equilibrium law corresponding to $K_{c}$ for each of the following heterogeneous reactions. (a) $\mathrm{CaCO}_{3}(s)+\mathrm{SO}_{2}(g) \rightleftharpoons \mathrm{CaSO}_{3}(s)+\mathrm{CO}_{2}(g)$ (b) $\mathrm{AgCl}(s)+\mathrm{Br}^{-}(a q) \rightleftharpoons \mathrm{AgBr}(s)+\mathrm{Cl}^{-}(a q)$ (c) $\mathrm{Cu}(\mathrm{OH})_{2}(s) \rightleftharpoons \mathrm{Cu}^{2+}(a q)+2 \mathrm{OH}^{-}(a q)$ (d) $\mathrm{Mg}(\mathrm{OH})_{2}(s) \rightleftharpoons \mathrm{MgO}(s)+\mathrm{H}_{2} \mathrm{O}(g)$ (e) $3 \mathrm{CuO}(s)+2 \mathrm{NH}_{3}(g) \rightleftharpoons$ $3 \mathrm{Cu}(s)+\mathrm{N}_{2}(g)+3 \mathrm{H}_{2} \mathrm{O}(g)$
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