Question
Benzene bums in O2 according to the equation:
C6H6(l)+(15/2)O2(g)⟶3H2O(g)+6CO2(g)
If standard heat enthalpies of C6H6(l),H2O(g)andCO2(g) are 11.7, -68.3 and -94.0 kcal respectively. The amount of heat liberated by burning 0.5 g benzene in kcal is :