Bond dissociation enthalpy of F_(2) (158.8 "KJ mol"^(-1)) is lower than that 2 of Cl_(2) (242.6 "KJ mol"^(-1)) Why ?

Bond dissociation enthalpy of F_(2) (158.8 "KJ mol"^(-1)) is lower than that 2 of Cl_(2) (242.6 "KJ mol"^(-1)) Why ?

Bond dissociation energy of O_(2)(g) is x k J mol^(-1) . This means that

1 S m^2 mol^(-1) is equal to

Ionization enthalpy of Li is 520 Kj mol^-1 while that of F is 1681 kJ mol^-1 .Explain.

1 S m^2 mol^(-1) is equals to

For melting of ice at 25^@C the enthalpy of fusion is 6.97 kj mol^(-1) and entropy of fusion is 25.4 JK-1 mol^(-1) . Calculate free energy change and predict whether melting of ice is spontaneous or not at this temperature.

The first ionization enthalpy values of Si, P and Cl are 780, 1060 and 1255 kJ mol^(-1) respectively. Predict whether the first ionization enthalpy of S will be closer to 1000 or 1200 kJ mol^(-1) .

A first order gas phase reaction has activation energy of 240 kJ mol^(-1) . If the pre-exponential factor is 1.6xx10^(13) s^(-1) . What is the rate constant of the reaction at 600 K?

A first order gas phase reaction has activation energy of 240 kJ "mol"^(-1) . If the pre-exponential factor is 1.6 xx 10^13 s^(-1) . what is the rate constant of the reaction at 600 K?