What is the balanced equation for ammonium carbonate is heated, it decomposes into ammonia gas, carbon dioxide gas, and water vapor?

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What is the balanced equation for ammonium carbonate is heated, it decomposes into ammonia gas, carbon dioxide gas, and water vapor?

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Answer 1 · 2014-12-28T13:22:07

The reactions that describe the decomposition of ammonium carbonate ( ${(N H_{4})}_{2} C O_{3}$ $(NH_4)_2CO_3$ ) are:

${(N H_{4})}_{2} C O_{3} (s) \to N H_{4} H C O_{3 (s)} + N H_{3 (g)}$ $(NH_4)_2CO_3(s) -> NH_4HCO_(3(s)) + NH_(3(g))$ (1)
$N H_{4} H C O_{3 (s)} \to N H_{3 (g)} + H_{2} O_{(g)} + C O_{2 (g)}$ $NH_4HCO_(3(s)) -> NH_(3(g)) + H_2O_((g)) + CO_(2(g))$ (2)

${(N H_{4})}_{2} C O_{3} (s) \to 2 N H_{3 (g)} + C O_{2 (g)} + H_{2} O_{(g)}$ $(NH_4)_2CO_3(s) -> 2NH_(3(g)) + CO_(2(g)) + H_2O_((g))$ (3)

(1) - ammonium carbonate decomposes into ammonium bicarbonate and ammonia ( $N H_{3}$ $NH_3$ );
(2) - ammonium bicarbonate decomposes into carbon dioxide ( $C O_{2}$ $CO_2$ ), water, and ammonia;
(3) - the decomposition of ammonium carbonate - total reaction;

Both reaction are endothermic - heat must be supplied in order for the reaction to take place.

Here's a video of the reaction:

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What is the balanced equation for ammonium carbonate is heated, it decomposes into ammonia gas, carbon dioxide gas, and water vapor?

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