Questions: Balance each equation. (Use the lowest possible whole number coefficients. Omit states-of-matter from your answers.) (a) Mg(OH)2 + HCl -> MgCl2 + H2O + -> + (b) Ca(NO3)2 + H2S -> CaS + HNO3 + -> + (c) CH4 + O2 -> CO2 + H2O + -> + (d) CaCO3 + HCl -> CaCl2 + CO2 + H2O + -> + +
Transcript text: Balance each equation. (Use the lowest possible whole number coefficients. Omit states-of-matter from your answers.)
(a) $\mathrm{Mg}(\mathrm{OH})_{2}+\mathrm{HCl} \rightarrow \mathrm{MgCl}_{2}+\mathrm{H}_{2} \mathrm{O}$
$\square$
$+$ $\square$ $\rightarrow$ $\square$ $+$ $\square$
(b) $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}+\mathrm{H}_{2} \mathrm{~S} \rightarrow \mathrm{CaS}+\mathrm{HNO}_{3}$
$\square$ $+$ $\square$ $\rightarrow$ $\square$
\[
+
\]
$\square$
(c) $\mathrm{CH}_{4}+\mathrm{O}_{2} \rightarrow \mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$
$\square$ $+$ $\square$ $\rightarrow$ $\square$ $+$ $\square$
(d) $\mathrm{CaCO}_{3}+\mathrm{HCl} \rightarrow \mathrm{CaCl}_{2}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$
$\square$ $+$ $\square$ $\rightarrow$ $\square$ $+$ $\square$ $+$ $\square$
Solution
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