Write a balanced equation for the reaction of each of the following compounds with water: (a) \(\mathrm{SO}_{2}(g),(\mathbf{b}) \mathrm{Cl}_{2} \mathrm{O}_{7}(g)\) (c) \(\mathrm{Na}_{2} \mathrm{O}_{2}(s),\) (d) \(\mathrm{BaC}_{2}(s),\) (e) \(\mathrm{RbO}_{2}(s)\) (f) \(\mathrm{Mg}_{3} \mathrm{N}_{2}(s)\) , (g) \(\mathrm{NaH}(s) .\)

Short Answer

Expert verified
Here are the balanced equations for the reactions of the given compounds with water: (a) \(\mathrm{SO}_{2}(g) + \mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{H}_{2}\mathrm{SO}_{3}(aq)\) (b) \(\mathrm{Cl}_{2}\mathrm{O}_{7}(g) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{HClO}_{4}(aq)\) (c) \(\mathrm{Na}_{2}\mathrm{O}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{NaOH}(aq) + \mathrm{O}_{2}(g)\) (d) \(\mathrm{BaC}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{Ba(OH)}_{2}(s) + \mathrm{C}_{2}\mathrm{H}_{2}(g)\) (e) \(\mathrm{RbO}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{RbOH}(aq) + \mathrm{O}_{2}(g)\) (f) \(\mathrm{Mg}_{3}\mathrm{N}_{2}(s) + 6\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 3\mathrm{Mg(OH)}_{2}(s) + 2\mathrm{NH}_{3}(g)\) (g) \(\mathrm{NaH}(s) + \mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{NaOH}(aq) + \mathrm{H}_{2}(g)\)

Step by step solution

01

(a) Reaction of \(\mathrm{SO}_{2}(g)\) with water

When sulfur dioxide (\(\mathrm{SO}_{2}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms sulfurous acid (\(\mathrm{H}_2\mathrm{SO}_{3}\)). The balanced chemical equation for this reaction is: \[\mathrm{SO}_{2}(g) +\mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{H}_{2}\mathrm{SO}_{3}(aq)\]
02

(b) Reaction of \(\mathrm{Cl}_{2}\mathrm{O}_{7}(g)\) with water

When dichlorine heptoxide (\(\mathrm{Cl}_{2}\mathrm{O}_{7}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms perchloric acid (\(\mathrm{HClO}_{4}\)). The balanced chemical equation for this reaction is: \[\mathrm{Cl}_{2}\mathrm{O}_{7}(g) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{HClO}_{4}(aq)\]
03

(c) Reaction of \(\mathrm{Na}_{2}\mathrm{O}_{2}(s)\) with water

When sodium peroxide (\(\mathrm{Na}_{2}\mathrm{O}_{2}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms sodium hydroxide (\(\mathrm{NaOH}\)) and oxygen gas (\(\mathrm{O}_{2}\)). The balanced chemical equation for this reaction is: \[\mathrm{Na}_{2}\mathrm{O}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{NaOH}(aq) + \mathrm{O}_{2}(g)\]
04

(d) Reaction of \(\mathrm{BaC}_{2}(s)\) with water

When barium carbide (\(\mathrm{BaC}_{2}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms barium hydroxide (\(\mathrm{Ba(OH)}_{2}\)) and acetylene (\(\mathrm{C}_{2}\mathrm{H}_{2}\)). The balanced chemical equation for this reaction is: \[\mathrm{BaC}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{Ba(OH)}_{2}(s) + \mathrm{C}_{2}\mathrm{H}_{2}(g)\]
05

(e) Reaction of \(\mathrm{RbO}_{2}(s)\) with water

When rubidium superoxide (\(\mathrm{RbO}_{2}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms rubidium hydroxide (\(\mathrm{RbOH}\)) and oxygen gas (\(\mathrm{O}_{2}\)). The balanced chemical equation for this reaction is: \[\mathrm{RbO}_{2}(s) + 2\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 2\mathrm{RbOH}(aq) + \mathrm{O}_{2}(g)\]
06

(f) Reaction of \(\mathrm{Mg}_{3}\mathrm{N}_{2}(s)\) with water

When magnesium nitride (\(\mathrm{Mg}_{3}\mathrm{N}_{2}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms magnesium hydroxide (\(\mathrm{Mg(OH)}_{2}\)) and ammonia (\(\mathrm{NH}_{3}\)). The balanced chemical equation for this reaction is: \[\mathrm{Mg}_{3}\mathrm{N}_{2}(s) + 6\mathrm{H}_{2}\mathrm{O}(l) \rightarrow 3\mathrm{Mg(OH)}_{2}(s) + 2\mathrm{NH}_{3}(g)\]
07

(g) Reaction of \(\mathrm{NaH}(s)\) with water

When sodium hydride (\(\mathrm{NaH}\)) reacts with water (\(\mathrm{H}_2\mathrm{O}\)), it forms sodium hydroxide (\(\mathrm{NaOH}\)) and hydrogen gas (\(\mathrm{H}_{2}\)). The balanced chemical equation for this reaction is: \[\mathrm{NaH}(s) + \mathrm{H}_{2}\mathrm{O}(l) \rightarrow \mathrm{NaOH}(aq) + \mathrm{H}_{2}(g)\]

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