Determine which of the following reactions at constant pressure represent surrounding that do work on the system environment : (P) `4NH_(3)(g) + 7O_(2)(g) to 4 NO_(2)+ 6H_(2)O(g)` (Q) `CO.O(g)+ 2H_(2)(g) to CH_(3)OH(l)` (R) `C("s,graphite")+H_(2)O(g) to CO(g)+H_(2)(g)` (S) `H_(2)O(s) to H_(2)O(l)`A. III,IVB. II and IIIC. II,IVD. I and II,IV

Determine which of the following reactions at constant pressure repres

1.	Determine which of the following reactions at constant pressure represent surrounding that do work on the system environment : (P) `4NH_(3)(g) + 7O_(2)(g) to 4 NO_(2)+ 6H_(2)O(g)` (Q) `CO.O(g)+ 2H_(2)(g) to CH_(3)OH(l)` (R) `C("s,graphite")+H_(2)O(g) to CO(g)+H_(2)(g)` (S) `H_(2)O(s) to H_(2)O(l)`A. III,IVB. II and IIIC. II,IVD. I and II,IV
Answer» Correct Answer - D

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