The heat of combustion of `H_(2)(g)` at constant pressure and `300k` is `-280kJ mol^(-1)`. What will be the heat of combustion at constant volume and at `300K`?

The enthalpy of formation of methane at constant pressure and 300 K is -75.83 kJ . What will be the heat of formation at constant volume? [R = 8.3 J K^(-1) mol^(-1)]

The ethalpy of formation of methane at constant pressure and 300 K is -75.83 kJ . What will be the heat of formation at constant volume? [R = 8.3 J K^(-1) mol^(-1)]

Calculate heat of combustion of benzene at constant pressure at 27^@C . (R=8.3 J mol^-1 K^-1)

The heat of combustion of solid benzoic acid at constant volume is -321.30 kJ at 27^(@)C . The heat of combustion at constant pressure is

The heat of combustion of solid benzoic acid at constant volume is -321.30 kJ at 27^(@)C . The heat of combustion at constant pressure is

The heat of combustion of solid benzoic acid at constant volume is -321.30 KJ at 27^(@) C . The heat of combustion at constant pressure is

The heat of combustion of solid benzoic acid at constant volume is -321.30 kJ at 27^(@)C . The heat of combustion at constant pressure is

The heat of combustion of solid benzoic acid at constant volume is -321.3 kJ at 27 degree Celcius . The heat of combustion at constant pressure is