that reaidency of a metal to react with other substances to form compounds is an indicator of its reactivity​

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i think the answer is terrae but not 100 percent sure. ▓▬▬ §

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.