An exothermic reaction released of heat when of compound X reacted completely at…

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

An exothermic reaction released

815\,\text{J}

of heat when

0.0275\,\text{mol}

of compound X reacted completely at constant pressure. Calculate

\Delta H_{\text{rxn}}

\text{kJ}\,\text{mol}^{-1}