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Calculate the change of entropy, Delta(r...

Calculate the change of entropy, `Delta_(r)S^(Theta)` at `298K` for the reaction in which urea is formed from `NH_(3)` and `CO_(2)`.
`2NH_(3)(g)+CO_(2)(g) rarr NH_(2)CONH_(2)(aq)+H_(2)O(l)`
The standard entropies `(J K^(-1)mol^(-1))` are:
`NH_(2)CONH_(2)(aq) =174.0, H_(2)O(l) = 69.9`
`NH_(3)(g) = 192.3, CO_(2)(g) = 213.7`

Text Solution

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To calculate the change of entropy, \(\Delta_{r}S^{\Theta}\), at \(298 K\) for the reaction: \[ 2NH_{3}(g) + CO_{2}(g) \rightarrow NH_{2}CONH_{2}(aq) + H_{2}O(l) \] we will use the standard entropies provided for each substance involved in the reaction. ...
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