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in Chemistry by (70.3k points)
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. R,S
B. Q and R
C. Q,S
D. P,Q and S

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1 Answer

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by (59.2k points)
Correct Answer - D

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