1.

The standard entropies of CO_(2)(g),C(s) and O_(2)(g) are 213.5, 5.690 and 205JK^(-1) respectively. The standard entropy of formation of CO_(2)(g) is

Answer»

`1.86 JK^(-1)`
`1.96 JK^(-1)`
`2.81 JK^(-1)`
`2.86 JK^(-1)`

Solution :Formation of `CO_(2)` is,
`C_((s))+O_(2(G))rarrCO_(2(g))`
`DeltaS^(@)=213.5-5.690-205=2.81 JK^(-1)`


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