For each of the following series of pairs, indicate which one of the pair has the greater quantity of entropy.
a. 1.0 mol of carbon dioxide gas at 20oC, 1 atm, or 2.0 mol of carbon dioxide gas at 20oC, 1 atm
b. 1.0 mol of butane liquid at 20oC, 10 atm, or 1.0 mol of butane gas at 20oC, 10 atm
c. 1.0 mol of solid carbon dioxide at 80oC, 1 atm, or 1.0 mol of solid carbon dioxide at 90oC, 1 atm
d. 25 g of solid bromine at 7oC, 1 atm, or 25 g of bromine vapor at 7oC, 1 atm