Which quantity out of - r G and - r G - will be zero at equilibrium-

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Gibbs Free Energy & Spontaneity

Which quantit...

Question

Which quantity out of $Δ_{r} G$ and $Δ_{r} G^{⊖}$ will be zero at equilibrium?

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Sucrose + H_{2} O ⇌ Glucose + Fructose

(K_{C})

2 \times 10^{13} at 300 K

Δ_{r} G^{\circ}

2 N H_{3 (g)} + C O_{2 (g)} ⇌ N H_{2} C O N H_{2 (a q)} + H_{2} O_{(l)}

Δ_{r} G^{\circ}

- 13.6 K J m o l^{- 1}

S O_{3}

2 S O_{2} (g) + O_{2} (g) ⇌ 2 S O_{3} (g)

K_{c}

1.7 \times 10^{2}

300 K

Δ r G^{\circ}

A + 2 B \to 3 C

1 \times 10^{2}

Δ r G^{\circ}

(R = 2 c a l K^{- 1} m o l^{- 1})

Δ_{r} G

27^{\circ} C

H_{2} (g) + 2 A g^{+} (a q) ⇌ 2 A g (s) + 2 H^{+} (a q)

P_{H_{2}} = 0.5 b a r; [A g^{+}] = 10^{- 5} M

[H^{+}] = 10^{- 3} M; Δ_{r} G^{\circ} [A g^{+} (a q)] = 77.1 k J m o l^{- 1}

(G i v e n, l n (2 \times 10^{4}) = 9.90)

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