If enthalpy change for hydrogention of ethylene is `-132 "kJ"//"mole"` and enthalpy of formation 1,3-butadience (g) and butane are `115 " kJ " and -140 "kJ"//"mole"` respesctively then calculte resonance energy of 1,3-budadiene (in kJ).

If the enthalpy of formation and enthalpy of solution of HCl (g) are -92.3kJ /mol and -75.14kJ/mol respectively then find the enthalpy of Cl^(-) (aq):

molar standard enthalpy of combusion of ethanol is -1320 kJ, malor standard enthalpy of formation of water and CO_(2)(g) are -286 kJ//mole and -393 kJ//mole respectively. Calculate the magnitude of molar standard enthalpy of formation of ethanol.

If the enthalpy of formation and enthalpy of solution of HCl (g) are-92.3kj /mol and -75.14kJ/mol respectively then find the enthalpy of Cl^(-) (aq):

If the enthalpy of formation and enthalpy of solution of HCl (g) are-92.3kj /mol and -75.14kJ/mol respectively then find the enthalpy of Cl^(-) (aq):

The enthalpy of hydrogenation for 1-pentene is +126 kJ/mol. The enthalpy of hydrogenation for 1, 3-pentadiene is +230 kJ/mole. Hence estimate the resonance energy of 1, 3-pentadiene.

The enthalpy of hydrogenation for 1-pentene is +126 kJ/mol. The enthalpy of hydrogenation for 1, 3-pentadiene is +230 kJ/mole. Hence estimate the resonance energy of 1, 3-pentadiene.

Standard enthalpy of formation of water is -286 kJ mol^-1 . Calculate the enthalpy change for formation of 0.018 kg of water.

If the enthalpy of formation of HCl (g) and Cl^(-) (aq) are -92.3 kJ/mole and -167.44 kJ/mol, find the enthalpy of solution of hydrogen chloride gas.