In which case change in entropy is negative?
Evapouration of water
Expansion of a gas at constant temperature
Sublimation of solid to gas
Gibb's free energy (? G) -
- wherein
Gibb's free energy
enthalpy of reaction
entropy
temperature
degree of randomness decreases
entropy decreases and is negative.
Evapouration of water
Option 2)Expansion of a gas at constant temperature
Option 3)Sublimation of solid to gas
Option 4)