Heat of atomisation of and are kcal and kcal respectively

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

Problem

Heat of atomisation of

\text{NH}_3

and

\text{N}_2\text{H}_4

are

x

kcal

\text{mol}^{-1}

and

y

kcal

\text{mol}^{-1}

respectively. Calculate average bond energy of N—N bond.