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) -
Gibb's free energy
enthalpy of reaction
degree of randomness decreases
entropy decreases and is negative.
Evapouration of waterOption 2)
Expansion of a gas at constant temperatureOption 3)
Sublimation of solid to gasOption 4)