Heat of atomisation of `NH_(3)` and `N_(2)H_(4)` are `"x kcal mol"^(-1)` and `"y kcal mol"^(-1)` respectively. Calculate average bond energy of `N-N` bond.

The heats of atomisation of PH_(3)(g) and P_(2)H_(4)(g) are 954 kJ mol^(-1) and 1485 kJ mol^(-1) respectively. The P-P bond energy in kJ mol^(-1) is

The heat of atomisation of PH_(3)(g) and P_(2)H_(4)(g) are 954 kJ mol^(-1) and 1485 kJ mol^(-1) respectively. The P-P bond energy in kJ mol^(-1) is

The heat of atomisation of PH_(3)(g) and P_(2)H_(4)(g) are 954 kJ mol^(-1) and 1485 kJ mol^(-1) respectively. The P-P bond energy in kJ mol^(-1) is

The heat of atomisation of PH_(3(g)) is 228kcal mol^(-1) and that of P_(2)H_(2) is 355kcal mol^(-1) . Calculate the average bond energy of P-P bond.

Calculate the bond energy of N-N bond if heat of atomisation of NH_3 and N_2H_4 are 'x' and 'y' kcal mol^(-1) respectively.

Calculate the bond energy of N-N bond if heat of atomisation of NH_3 , and N_2H_4 , are 'x' and 'y' kcal mol^-1 respectively

Given that Bond energy of H_(2) and N_(2) are 400KJmol^(-1) and 240KJmol^(-1) respectively and DeltaH_(f) of NH_(3) is -120KJmol^(-1) calculate the bond energy of N-H bond :-