For which of the following equations- will - H be equal to - U-

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Entropy

For which of ...

Question

For which of the following equations, will $Δ H b e e q u a l t o Δ U$ ?

H_{2} (g) + 1 / 2 O_{2} (g) ⟶ H_{2} O (l)

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H_{2} (g) + I_{2} (g) ⟶ 2 H I (g)

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2 N O_{2} (g) ⟶ N_{2} O_{4} (g)

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4 N O_{2} (g) + O_{2} (g) ⟶ 2 N_{2} O_{5} (g)

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For which of the following equation will $Δ H$ be equal to $Δ U$ .

Δ H

Δ U

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)

N_{2} O_{5}

2 N_{2} O_{5} (g) \to 4 N O_{2} (g) + O_{2} (g)

= k [N_{2} O_{5}]

N_{2} O_{5} (g) \to 2 N O_{2} (g) + 1 / 2 O_{2} (g)

= k^{'} [N_{2} O_{5}]

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l) + x_{1}

k J

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (g) + x_{2}

k J

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