Agas mixture contains 0.150 mol of o2 gas, 0.116 mol of n2 gas, and 0.211 mol of ar gas in a 0.500 l flask at 298 k. what is the partial pressure of n2 the mixture?

it is b that is the 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.

answerambulatory;