A sample of 0.250 mol of hydrogen has a pressure of 150 torr and a temperature of 399K. What is its volume?

put the answers   and i could answer.

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.