For the combustion of `1` mole of liquid benzene at `25^(@)C`, the heat
Channel: Doubtnut
Date: 2020-01-26

For the combustion of `1` mole of liquid benzene at `25^(@)C`, the heat of reaction at constant pressure is given by `C_(6)H_(6)( l)+7(1)/(2)O_(2)(g)rarr6CO_(2)(g)+3H_(2)O(l), DeltaH= -780980 \"cal\"`. What would be the heat of reaction at constant volume ?