Indicate whether the entropy of the system increases, decreases,or is unchanged for each of the following processes:
a) water evaporates at room temperature
b) a gas condenses at its normal boiling point
c) cold water is heated to 120 F by a natural gas heater
d) water vapor forms ice crystals (frost) on your car'swindshield
e) CH4(g) + 2O2(g)<----> CO2(g)+ 2H2O(l)
