Calculate the C—C bond energy from the following data :

CHEMISTRY · Multi-part · A Level · Chemistry · Energetics · Energetics

Problem

Calculate the C—C bond energy from the following data : (a)

\text{C}(s) \longrightarrow \text{C}(g); \Delta H = 170.9 \text{ kcal}

(b)

\frac{1}{2}\text{H}_2 \longrightarrow \text{H}(g); \Delta H = 52.1 \text{ kcal}

-20.3 \text{ kcal}

(d) C—H bond energy =

990 \text{ kcal}