Use the following thermochemical equations to determine for the reaction .

CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics

Problem

Use the following thermochemical equations to determine

\Delta H

for the reaction

\mathrm{CO}(g)+\tfrac12\,\mathrm{O_2}(g)+\mathrm{H_2O}(l)\rightarrow\mathrm{H_2CO_3}(aq)

. (a)

-239\ \text{kJ}

(b)

-156\ \text{kJ}

(c)

-328.5\ \text{kJ}

(d)

+328.5\ \text{kJ}