For each of the following pairs, indicate which substance possesses the larger standard entropy: (a) 1 mol

Question:

For each of the following pairs, indicate which substance possesses the larger standard entropy:
(a) 1 mol of P4(g) at 300 °C, 0.01 atm, or 1 mol of As4(g) at 300°C, 0.01 atm
(b) 1 mol of H2O(g) at 100°C, 1 atm, or 1 mol of H2O(l) at 100 °C, 1 atm
(c) 0.5 mol of N2(g) at 298 K, 20-L volume, or 0.5 mol CH4(g) at 298 K, 20-L volume
(d) 100 g Na2SO4(s) at 30°C or 100 g Na2SO4(aq) at 30°C.