What is the volume occupied by 6.244 liters of gas at 99.21 kpa after it has been compressed to 211.1 kpa

they are all solids.

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.