Which of the following processes is necessarily driven by an increase of entropy of the surroundings? In each case, what is the sign of delta S, delta H and delta G? In each case, which term, entropy or enthalpy, dominates the sign of delta G?
1) Freezing of ice at - 5 Celsius.
2) Melting of ice at + 5 Celsius.
3) Burning of hydrogen in oxygen (space shuttle main engine reaction).
4) Evaporation of water on your skin when you get out of the shower. Choose water to the be system.