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What is DeltaG^(@) for the following rea...

What is `DeltaG^(@)` for the following reaction
`Cu^(+2)(aq)+2Ag(s)rarrCu(s)+2Ag`
`E_(Cu^(+2)//Cu)^(@)=0.34V E_(Ag^(+)//Ag)^(@)=0.8V`

A

`-44.5 kj`

B

44.5 kj

C

`-89 kj`

D

89 kj

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