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Akshay Singhal
Asked: 2022-11-09T06:00:55+05:30 In:

Calculate the Gibbs energy change for the reaction given below:
`Zn_((s))+Cu_((s))^(2+)toCu_((s))+Zn_((aq.))^(2+)`
Given that standard Gibbs energy (`G^@`) for `Zn_((aq.))^(2+),Cu_((aq.))^(2+)` are `-147.2 kJ mol^(-1)` and `65.0 kJ mol^(-1)` respectively.

Calculate the Gibbs energy change for the reaction given below:
`Zn_((s))+Cu_((s))^(2+)toCu_((s))+Zn_((aq.))^(2+)`
Given that standard Gibbs energy (`G^@`) for `Zn_((aq.))^(2+),Cu_((aq.))^(2+)` are `-147.2 kJ mol^(-1)` and `65.0 kJ mol^(-1)` respectively.
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1 Answer

  1. `DeltaG^(@)=SigmaG_(“products”)^(@)-SigmaG_(“reaction”)^(@)`
    `=[0+(-147.2)-(0+65.0)]`
    `=-212.2 kJ`

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