If heat of formation of and are 191 and 97.5 kcal

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

Problem

If heat of formation of

\text{CaCl}_2

and

\text{NaCl}

are 191 and 97.5 kcal, the heat of reaction for

\text{CaCl}_2 + 2\text{Na} \longrightarrow 2\text{NaCl} + \text{Ca}

is .....