Give the units of entropy and entropy change. 

When a liquid evaporates, which is true about the signs of the enthalpy and entropy changes?

Explain the spontaneity of a reaction in terms of enthalpy change, entropy change and Gibbs energy change.

Discuss the following: (a) entropy and (b) entropy change.

During the micelle formation how the enthalpy entropy and Gibbes energy change?

What is the nature of reaction at 298 K, if the entropy change and enthalpy change for a chemical reaction are 7 . 4 cal K^(-1) and - 2 . 5 xx 10 ^(3) cal respectively ?

For which one of the following reactions , the entropy changes is positive ?

Explain whether a reaction occurs on its own, by considering the entropy change of the reaction.