given that Bond energies of HH and CL CL or 430 kilojoules per mole and 240 kg per mole respectively and enthalpy of formation for HCL is - 90 kilojoules per mole Bond enthalpy of HCL is
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150 A’s 240-90 is 150 and in bond we are suppose to minus .and als 430+150= 580 is the answer to this question
chinmay1097:
its wrong .its given 425kJ per mole
options are1)290kJper mole. 2)380 kJ per mole3)425kJ per mole 4)245kJ per mole
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