A 2.53 gram sample of a KCl and KClO3 mixture was found to contain 0.00988 mol of KClO3. What is the percent by mass of KClO3 in the original mixture? Report your answer with three significant figures.

answer7,570,82356 cubic centimeters;

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.