Choose the reaction in which - H is not equal to - U-

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Introduction

Choose the re...

Question

Choose the reaction in which $Δ H$ is not equal to $Δ U$ .

C (g r a p h i t e) + O_{2} (g) ⟶ C O_{2} (g)

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C_{2} H_{4} (g) + H_{2} (g) ⟶ C_{2} H_{6} (g)

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2 C (g r a p h i t e) + H_{2} (g) ⟶ C_{2} H_{2} (g)

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H_{2} (g) + I_{2} (g) ⟶ 2 H I (g)

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N_{2} (g) + O_{2} (g) ⟶ 2 N O (g)

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Solution

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Similar questions

N_{2} (g) + O_{2} (g) \to 2 N O (g)

Δ H = 181

2 C O_{2} (g) \to 2 C O (g) + O_{2} (g); Δ H = 566

H_{2} (g) + I_{2} (g) \to 2 H I (g); Δ H = - 94

H_{2} (g) + F_{2} (g) \to 2 H F (g); Δ H = - 541

C_{2} H_{4} (g) + H_{2} (g) ⇌ C_{2} H_{6} (g); Δ H = - 32.7 k c a l

C_{2} H_{4}

Δ H

Δ U

C_{2} H_{2}

C_{2} H_{4}

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l); Δ H = - 68.32 k c a l

C_{2} H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ 2 C O_{2} (g) + H_{2} O (l); Δ H = - 310.61 k c a l

C_{2} H_{4} (g) + 3 O_{2} (g) ⟶ 2 C O_{2} (g) + H_{2} O (l); Δ H = - 337.32 k c a l

C_{2} H_{2} (g) + \frac{5}{2} O_{2} (g) ⟶ 2 {C O}_{2} (g) + H_{2} O (l); △ G^{0} = 1234 k J

C (s) + O_{2} (g) ⟶ {C O}_{2} (g); △ G^{0} = - 394 k J

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l); △ G^{0} = - 237 k J

H_{2} (g) + 2 C (s) \to C_{2} H_{2} (g)

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