Benzene burns in according to the equation : If standard heat enthalpy of

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

Problem

Benzene burns in

O_2

according to the equation :

C_6H_6(l) + \frac{15}{2}O_2(g) \longrightarrow 3H_2O(g) + 6CO_2(g)

If standard heat enthalpy of

C_6H_6(l)

H_2O(g)

and

CO_2(g)

are

11.7

-68.3

and

-94.0

kcal respectively, calculate the amount of heat liberated by burning 1 kg benzene.