Calculate the enthalpy of formation of water, given that the bond energies of `H-H, O=O` and `O-H` bond are `433 kJ mol^(-1), 492 kJ mol^(-1)`, and `464 kJ mol^(-1)`, respectively.

Bond enthalpies of H-H, Cl-Cl and H-Cl bonds are 434 kj mol^(-1) , 242 kj mol^(-1) and 431 kj mol^(-1) , respectively. Enthalpy of formation of HCl is

Calculate DeltaH for the reaction H_(2)(g)+1//2O_(2)(g)toH_(2)O(g) given the bond energies of H-H and O=O bonds and O-H bond are 433 kJ mol^(-1) , 492 kJ mol^(-1) and 464kJ" "mol^(-1) .

Calculate enthalpy of formation of HCl if Bond enthalpies of H_2, Cl_2 and HCl are 434 kJ mol^(-1) , 242 kJ mo l^(-1) and 431 kJ mol^(-1) respectively.

Calculate the bond energy of H-Cl bond, given that the bond energies of H–H, CI—Cl bonds are 433 kJ mol^(-1) and 242 kJ mol^(-1) respectivly. The DeltaH_f for HCl is -91 kJ" " mol^(-1) .

Calculate the enthalpy of formation of ammonia from the following bond energy data: (N-H) bond = 389 kJ mol^(-1), (H-H) bond = 435 kJ mol^(-1) , and (N-=N)bond = 945.36kJ mol^(-1) .

Calculate the enthalpy of formation of ammonia from the following bond enegry data: (N-H) bond = 389 kJ mol^(-1), (H-H) bond = 435 kJ mol^(-1) , and (N-=N)bond = 945.36kJ mol^(-1) .