How much heat is absorbed by a 750-g iron skillet when its temperature rises from 25oc to 125 oc? the specific heat of iron is 0.449 j/goc.

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.