Enthalpy of formation of `2mol` of `NH_(3)(g)` is `-90KJ` , and `DeltaH_(H-H)` and `DeltaH_(N-H)` respectively `435KJ mol^(-1)` and `390KJ mol^(-1)` . The valule of `DeltaH_(N-=N)` is

Enthalpy of formation of NH_(3) is -X kJ and Delta H_(H-H) , Delta H_(N-H) are respectively Y kJ mol^(-1) and Z kj mol^(-1) . The value of Delta H_(N = N) is

Enthalpy of formation of NH_(3) is -X kJ and Delta H_(H-H) , Delta H_(N-H) are respectively Y kJ mol^(-1) and Z kj mol^(-1) . The value of Delta H_(N = N) is

Heat of formation of 2 mol of NH_(3)(g) is =90 kJ , bond energies of H-H and N-H bonds are 435kJ and 390 kJ mol^(-1) , respectively. The value of the bond enegry of N-=N will be

Heat of formation of 2 mol of NH_(3)(g) is =90 kJ , bond energies of H-H and N-H bonds are 435kJ and 390 kJ mol^(-1) , respectively. The value of the bond enegry of N-=N will be

Heat of formation of 2 moles of NH_(3)(g) " is" -90 kJ l bond energies of H-H and N-H bonds are 435 kJ and 390 kJ mol^(-1) respectively. The value of the bond energy of N -= N is ?

Heat of formation of 2 moles of NH_(3)(g) " is" -90 kJ l bond energies of H-H and N-H bonds are 435 kJ and 390 kJ mol^(-1) respectively. The value of the bond energy of N -= N is (1000- (x^(2) + x +25)) kJ/mol What is x ?

The standard enthalpy of formation of NH_(3) is -46.0KJ mol^(-1) . If the enthalpy of formation of H_(2) from its atoms is -436KJ mol^(-1) and that of N_(2) is -712KJ mol^(-1) , the average bond enthalpy of N-H bond in NH_(3) is

The standard enthalpy of formation of NH_(3) is -46.0 kJ mol^(-1) . If the enthalpy of formation of H_(2) from its atoms is -436 kJ mol^(-1) and that of N_(2) is -7112kJ mol^(-1) , the average bond enthalpy of N-H bond in NH_(3) is :-