The Change in Standard Molar Entropy $\Delta$ S $\degree$ For the Following Reaction Is 494

question 28

Short Answer

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

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