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Which of the following has DeltaS^@ grea...

Which of the following has `DeltaS^@` greater than zero?

A

`CaO(s) + CO_2(g) iff CaCO_3(s)`

B

`NaCl(aq) iff NaCl(s)`

C

`NaNO_3(s) iff Na^+(aq) + NO_3^-(aq)`

D

`N_2(s) + 3H_2(g) iff 2NH_3(g)`

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  13. In order to decompose 9g water 142.5 kJ heat is required. Hence, the e...

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  15. For the reaction H2O(s) iff H2O(l) at 0^@C and normal pressure

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  16. H2+Cl2 overset to 2HCl, DeltaH = 194kJ In this reaction heat of format...

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  18. N2(g) + 3H2(g) → 2 NH3(g). For the above reaction the correct stat...

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