Heat of combustion of rhombic and monoclinic sulphur be`-295.1 KJ mol^(-1)` and `-297.4 KJ mol^(-1)` respectively calculate the enthalpy of transition from monoclinic sulphur to rhombic sulphur

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283 kJ mol^-1 respectively. The enthalpy of formation of carbon monoxide per mole is

The melting point and boiling point of sulphur dioxide are -75^(@)C and -10^(@)C respectively. If the change in enthalpy of fusion and vaporisation of sulphur dioxide are 7.4 " kJ mol"^(-1) and 25.2 " kJ mol"^(-1) respectively, calculate the change in entropy of fusion and vaporisation of SO_(2) ?

The heats of combustion of carbon and carbon monoxide are -393.5 and -283.5 kJ*mol^(-1) respectively. The heat of formation (in kJ) of carbon monoxide per mole is-

Heat of combustion of benzene is xJ *mol^(-1) . Heat of formation of carbon dioxide and water are yJ*mol^(-1) and zJ*mol^(-1) respectively. Calculate the heat of formation of benzene.

Out of rhombic and monoclinic sulphur which one is more stable and dense at room temperature ?

Heat of combustion of benzene is x J * mol^(-1) . Heat of formation of carbon dioxide and water are y J * mol^(-1) and z J * mol^(-1) respectively . Calculate the heat of formation of benzene .

If the standard formation enthalpy of CS_2, CO_2 and SO_2 are 117 kJ mol^(-1) -393 kJ mol^(-1) and -297 kJ mol^(-1) respectively then calculate the standard reaction enthalpy of the reaction- CS_2 + 30_2 rarr CO_2 2SO_3 .

Enthalpy of formation of HF and HCI are -161 kJ mol^-1 and -92kJ mol^-1 respectively. Which of the following statements is incorrect?

At 25^(@)C temperature, the heat of combustion of sucrose, carbon and hydrogen are -5644 kJ*mol^(-1),-393.5kJ*mol^(_1) & -285.8kJ*mol^(-1) respectively. Determine the heat of formation of sucrose at 25^(@)C .

The enthalpy of combustion of methane, graphite and dihydrogen at 298K are -890.3 kJ*mol^(-1) , -393.5 kJ*mol^(-1) and -285.8kJ*mol^(-1) respectively. Enthalpy of formation of CH_(4)(g) will be-