Enthalpy and entropy changes of a reaction are 40.63 kJ`mol^_1` and `108.8 JK^-1`. Predict the feasibility of the reaction at `27^@C`.

Enthalpy and entropy changes of a reaction are 40.63 kJ/mol and 108.8 Jk^-1mol^-1. Predict the feasibility of the reaction atr 27^oC.

a) Explain the effect of temperature on the spontaneity of a process based on Gibbs equation. b) For a reaction 2A(g)+B(g)rightarrow2D(g) , enthalpy and entropy changes are - 20.5 kJ mol^-1 and -50.4 J K^-1mol^-1 respectively. Predict whether the reaction occurs at 25^oC.

When enthalpy and entropy change of a reaction are -2.5 xx 10^(3) cal and 7.4 cal respectively. Predict that the reaction at 298 K is

Enthalpy and Entropy changes of two reactions are given below: Find out whether they are spontaneous or not at 27^oC . Justify. a) DeltaH = 26 kJ/mole, DeltaS = 8.3 J/K/mole b) DeltaH=-393.4 kJ/mole, DeltaS = 6 J/K/mole

The reaction of cyanamide, NH_2CN(s) with oxygen was carried out in a bomb calorimeter and DeltaU was found to be - 742.7 kJ mol^-1 at 298 K. Calculate the enthalpy change for the reaction at 298 K.

An endothermic reaction A to B has an activation energy of 15" kJ mol"^(-1) and the enthalpy change for the reaction is 5" kJ mol"^(-1) . The activation energy of the reaction B to A is