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Calculate the standard molar entropy cha...

Calculate the standard molar entropy change for the formation of gaseous propane `(C_(3)H_(8))` at `293K`.
`3C("graphite") +4H_(2)(g) rarr C_(3)H_(8)(g)`
Standard molar entropies `S_(m)^(Theta) (JK^(-1)mol^(-1))`are:
`C("graphite") = 5.7, H_(2)(g) = 130.7,C_(3)H_(5)(g) = 270.2`

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To calculate the standard molar entropy change (ΔS°) for the formation of gaseous propane (C₃H₈) at 293 K, we will follow these steps: ### Step 1: Write the reaction The balanced chemical reaction for the formation of propane from its elements is: \[ 3C(\text{graphite}) + 4H_2(g) \rightarrow C_3H_8(g) \] ...
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