Question

State : (a) Second law of thermodynamics in terms of entropy.
(b) Third law of the thermodynamics.

Answer 1

(a) Sencond law of thermodynamics in terms of entropy : The entropy of the universe always increases in the course of every spontaneous (natural) change.
(b) Third lae of thermodynamics : The entropy of a perfectly crystalline substance is zero at zero Kelvin.