Ammonia reacts with carbon dioxide and water according to with per reaction as written

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Ammonia reacts with carbon dioxide and water according to

2\,\text{NH}_3(aq)+\text{CO}_2(aq)+\text{H}_2\text{O}(l)\rightarrow (\text{NH}_4)_2\text{CO}_3(aq)

with

\Delta H=-132\,\text{kJ}

per reaction as written. A reaction mixture contains

5.00\,\text{g}

\text{NH}_3

4.40\,\text{g}

\text{CO}_2

, and

3.00\,\text{g}

\text{H}_2\text{O}

. After the reaction goes to completion at constant pressure, which of the following pairs gives the heat released and the mass of

\text{NH}_3

that remains unreacted? (a)

-6.6\,\text{kJ};\;1.6\,\text{g}

(b)

-19\,\text{kJ};\;0.0\,\text{g}

(c)

-13\,\text{kJ};\;1.6\,\text{g}

(d)

-13\,\text{kJ};\;3.3\,\text{g}