Define entropy. Predict whether entropy change in the following processes would be positive or negative. (i) `N_(2)O_(3)(g) rarr N_(2)O(g)+O_(2)(g) ` (ii) Freezing of water (iii) `NH_(3)(g)+HCl(g) rarr NH_(4)Cl(s)`

Define entropy. Predict whether entropy change in the following proces

1.	Define entropy. Predict whether entropy change in the following processes would be positive or negative. (i) `N_(2)O_(3)(g) rarr N_(2)O(g)+O_(2)(g) ` (ii) Freezing of water (iii) `NH_(3)(g)+HCl(g) rarr NH_(4)Cl(s)`
Answer» Correct Answer - (i) `+ve` (ii) -ve (iii) -ve

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`S_(H_(2(g)))^(0) = 130.6 J K^(-1) mol^(-1)`, `S_(H_(2)O_((l)))^(0)= 69.9 J K^(-1)mol^(-1)` `S_(O_(2(g)))^(0) = 205 J K^(-1)mol^(-1)`, then the absolute entropy change of `H_(2_((g))) + (1)/(2)O_(2_((g))) rarr H_(2)O_((l))` isA. `-163.2 J mol^(-1) K^(-1)`B. `+163.2 J mol^(-1)K^(-1)`C. `-303 J mol^(-1) K^(-1)`D. `+303 J mol^(-1) K^(-1)`
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Define entropy. Predict whether entropy change in the following processes would be positive or negative. (i) `N_(2)O_(3)(g) rarr N_(2)O(g)+O_(2)(g) ` (ii) Freezing of water (iii) `NH_(3)(g)+HCl(g) rarr NH_(4)Cl(s)`

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