Metal-x = molybdenum
metal-y = iron

metal-x forms a substitutional solid solution with metal-y. compute the number of metal-x atoms per cubic centimetier for a metal--x alloy that contains 33wt% metal-x and 67 wt% metal-y.

28528289 29823282 8298232 39858

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.