suppose you perform an experiment at 21.5 degrees celsius and 1.00 atm and generate helium gas in the laboratory. What do you expect the volume of the helium to be?

1.solid

2.carbon dioxide

3.helium

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.