The change in standard molar entropy, S for the following reaction is 494.6 J/mol · K at 25 C.
2KClO3(s) 2KCl(s) + 3O2(g)
What is the standard molar entropy of O2(g) at 25 C?
S°(KClO3, s)= 143.1 J/mol · K
S°(KCl, s)= 82.6 J/mol · K
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