Calculate bond energy of `X-X` bond from the following data.

`DeltaH_(f) "of" X(g)=+300 kJ//"mole"`

Calculate C-H bond energy from the following data : Delta_(f)H" "[C(g)]=716.68 kJ//"mole" Delta_(f)H" "[H(g)]=217.97 kJ//"mole" Delta_(f)H" "[CH_(4)(g)]=-74.81 kJ//"mole"

Calculate the resonance energy of N_(2)O from the following data : DeltaH_(f)^(@) of N_(2)O = 82 kJ mol^(-1) , Bond energies of N equivN , N = N , O =O and N =O bonds are 946, 418, 498 and 607 kJ mol^(-1) respectively.

Calculate the resonance energy of N_(2)O from the following data: DeltaH_(1)^(@) of N_(2)O = 82 kJ "mole"^(-1) . Bond energies N=N = 946 kJ "mole"^(-1) N=N = 418 kJ "mole"^(-1) O=O = 498 kJ "mole"^(-1) N=O = 607 kJ "mole"^(-1)

Calculate the resonance energy of N_(2)O from the following data: DeltaH_(1)^(@) of N_(2)O = 82 kJ "mole"^(-1) . Bond energies N=N = 946 kJ "mole"^(-1) N=N = 418 kJ "mole"^(-1) O=O = 498 kJ "mole"^(-1) N=O = 607 kJ "mol"^(-1)

Calculate the C—C bond energy from the following data: 2C ("graphite") + 3H_2(g) to C_2H_6(g) , DeltaH = -84.67 kJ C("graphite"), to C(g) DeltaH = 716.7kJ H_2(9g) , to 2H(g) Delta= 435.9 kJ Assume 416 as the C - H bond energy.

Find average bond energy of S-F in SF_6 (in KJ/mole) using following data DeltaH_f^@ (SF_6(g)) = -1100Kj/mole, DeltaH_f^@ (S(g)) = 285Kj/mole, DeltaH_f^@ (F(g)) = 80Kj/mole