State whether the following processes are reversible or irreversible :

(i)  Heat production by friction

(ii)  The growth of a planet

(iii)  Diffusion of gases

(iv)  Electrolysis

(v)  Sudden unbalanced expansion of a gas

(vi)  Carnot's cycle

(vii)  Joule's heating in an electrical resistance.

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

(i)  Irreversible

(ii)  Irreversible

(iii)  Irreversible

(iv)  Reversible

(v)  Irreversible

(vi)  Reversible

(vii)  Irreversible

Answered by  | 4th Jun, 2014, 03:23: PM