2Zn- O 2 - 2ZnO- G o -616J-i 2Zn-2S- 2ZnS- G o -293J-ii 2S-2 O 2 - 2S O 2 g- G o -408J-iii - G o for the following reaction- 2ZnS-3 O 2 - 2ZnO-2 SO 2 would be-

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Gibbs Free Energy & Spontaneity

2Zn+ O 2 ⟶ 2Z...

Question

$2 Z n + O_{2} ⟶ 2 Z n O; Δ G^{o} = - 616 J . . (i)$
$2 Z n + 2 S ⟶ 2 Z n S; Δ G^{o} = - 293 J . . . (i i)$
$2 S + 2 O_{2} ⟶ 2 S O_{2} (g); Δ G^{o} = - 408 J . . (i i i)$
$Δ G^{o}$ for the following reaction:
$2 Z n S + 3 O_{2} ⟶ 2 Z n O + 2 {S O}_{2}$ would be:

- 731 J

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- 1317 J

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+ 731 J

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+ 1317 J

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Solution

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Similar questions

2 Z n S + 3 O_{2} \to 2 Z n O + 2 S O_{2}

Consider following reactions:

(a) $2 Z n S + 3 O_{2} \to 2 Z n O + 2 S O_{2}$

$Z n O + C \to Z n + C O$

2 Z n S + C \to 2 Z n + C S_{2}

Δ G

Δ G

Δ G

800^{o} C

S_{2} (g) + 2 O_{2} (g) \to 2 S O_{2} (g); △ G = - 544 k J

2 Z n (s) + S_{2} (g) \to 2 Z n S (s); △ G = - 293 k J

2 Z n (s) + O_{2} (g) \to 2 Z n O (s); △ G = - 480 k J

Δ G

2 Z n S (g) + 3 O_{2} (g) \to 2 Z n O (g) + 2 S O_{2} (g)

2 Z n S + 3 O_{2} \to 2 Z n O + 2 S O_{2}

80.0

Z n O

50.0 g Z n S

For the reactions

$C + O_{2} \to C O_{2};$ $Δ H = - 393 J$

$2 Z n + O_{2} \to 2 Z n O;$ $Δ = - 412 J$

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