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in Chemistry by (121k points)
The following reaction is non-spontaneous
A. `Zn+2H^(+)rarrZn^(+2)+H_(2)`
B. `Cu+2H^(+)rarrCu^(+2)+H_(2)`
C. `Zn+Cu^(2+)rarrZn^(2+)+Cu`
D. `Cu+2Ag^(+)rarrCu^(2+)+2Ag`

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