Represente por equações termoquímicas as seguintes reações:?

a) 2NH4HO3(S) - 411,2 KJ -----> 2N2(g) + O2(g) + 4H2O(l)

b) HgO(s) + 90 KJ ---------> Hg(l) +1/2 O2 (g)

C) 2Na(s) + 2H2O(l) ---------> 2Na OH(s) + H2(g) + 281,8 KJ

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