Define: (i) Heat of combustion, (ii) Heat of formation, (iii) Heat of neutralisation.

Heat is a form of

Given that : (i) heat of formation of water = -68.3 kcal (ii) heat of combustion of acetylene = - 310.6 kcal (iii) heat of combustion of ethylene = - 337.2 kcal. Calculate the heat of reaction for the hydrogenation of acetylene at constant volume (25^(@)C) .

Give definition with example: (i) integral heat of solution (ii) heat of dilution.

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.

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 .

The heat of neutralisation of acetic and NaOH is 55.9 kJ. If the heat of neutralisation of all strong acids and strong bases is 57.3 kJ, then calculate the heat of ionisation of acetic acid.

Why the value of latent heat of vapourisation is greater than the latent heat of melting.

Define: (i) Gibbs free energy (ii) the standard free energy of formation of a substance (iii) the standard free energy change in a chemical reaction.

Classify the solid that has the given characteristics: (i) very hard, brittle (ii) very high melting point and heat of fusion (iii) non-conductor of electricity and heat in solid state.

Which of the following is (are) not a state function? (i) Enthalpy (ii) Heat capacity (iii) Heat (iv) Work done.