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Gibbs Free Energy & Spontaneity

Δ G 0 is rela...

Question

$Δ G^{0}$ is related to K by the relation _____.

Δ G^{0}

- R T I n K^{2}

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Δ G^{0}

- R T K

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Δ G^{0}

R T I n K

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Δ G^{0}

- R T I n K

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Solution

The correct option is C $Δ G^{0}$ = $- R T I n K$ .
$G = G^{o} + R T l n K$ .

$G^{o}$ is standard Gibbs energy. At equillibrium when there is no longer free energy left to drive the reaction then $Δ G = 0, Δ G^{o} = - R T l n K$

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