Question: Without consulting Appendix 3, predict whether the entropy change is positive or negative for each of the following reactions. Give reasons for your predictions. (a)

Without consulting Appendix 3, predict whether the entropy change is positive or negative for each of the following reactions. Give reasons for your predictions.
(a) 2KClO4(s) → 2KClO3(s) + O2(g)
(b) H2O(g) → H2O(l)
(c) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
(d) N2(g) + 2N(g)

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