The heat of solution of one mole of `Na_2SO_4.10H_2O ` is -78.7 kJ ,and that of dehydration , `-81.6 kJ. ` The heat of solution (kJ) of anhydrous sodium sulphate is

Heat of solution of BaCl_(2).2H_(2)O=200 kJ mol^(-1) Heat of hydration of BaCl_(2)=-150 kJ mol^(-1) Hence heat of solution of BaCl_(2) is

Heat of solution of BaCl_(2).2H_(2)O=200 kJ mol^(-1) Heat of hydration of BaCl_(2)=-150 kJ mol^(-1) Hence heat of solution of BaCl_(2) is

The heat of solution of anhydrous CuSO_(4) is -66.5 kJ and that of CuSO_(4).5H_(2)O is 11.7 kJ . Calculate is the heat of hydration of CuSO_(4) .

The heat of solution of anhydrous CuSO_(4) is -66.5 kJ and that of CuSO_(4).5H_(2)O is 11.7 kJ . Calculate is the heat of hydration of CuSO_(4) .

At 25^(@)C the heat of formation of H_(2)O_((l)) is -285.9" kJ mole"^(-1) and that for H_(2)O_((g)) is -242.8" kJ mole"^(-1) . The heat of vaporization of water at the same temperature is

The heat of formation of H_(2)O_((l)) is -286.2 kJ. The heat of formation of H_(2)O_((g)) is likely to be

The heat of combustion of C, S and CS_(2) are -393.3kJ, -293.7kJ and -1108.76kJ. What will be the heat of formation of CS_(2) ?

The heat of combustion of C, S and CS_(2) are -393.3kJ, -293.7kJ and -1108.76kJ. What will be the heat of formation of CS_(2) ?

Heat of neutralisation of H_2SO_4 with NaOH is - x KJ. Then the heat of ionisation of water is