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Determine which of the following react...

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) (g) + 6H_(2)O(g)`
(Q) `CO(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

II,IV

B

II and III

C

II,IV

D

I and II,IV

Text Solution

Verified by Experts

The correct Answer is:
D
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