Indicate whether each process produces an increase or decrease of the entropy of the system? boiling of ethanol dissolving sodium chloride in water 2H2O (g) ? 2H2 (g) + O2 (g) BaF2 (s) ? Ba2+ (aq) + 2F- (aq) Na (s) + 1/2Cl2 (g) ? NaCl (s) CaO (s) + CO2 (g) ? CaCO3 (s)