For which of the following reactions- - H- E-

The correct options are A N _ 2 (g)+3 H _ 2 (g)⟶ 2 NH _ 3 (g) B Ag _ 2 O(g)⟶ 2Ag(s)+ 1 2 O _ 2 (g) C CO(g)+ 1 2 O _ 2 (g)⟶ C O _ 2 (g) As w ...

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Thermodynamic Processes

For which of ...

Question

For which of the following reactions, $Δ H < Δ E$ ?

N_{2} (g) + 3 H_{2} (g) ⟶ 2 {N H}_{3} (g)

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{A g}_{2} O (g) ⟶ 2 A g (s) + \frac{1}{2} O_{2} (g)

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

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C (s) + O_{2} (g) ⟶ C O_{2} (g)

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C (s) + O_{2} (g) \to C O_{2} (g), Δ H = + 94.0 K c a l .

C O (g) + \frac{1}{2} O_{2} (g) \to C O_{2} (g), Δ H = - 67.7 K c a l .

^{- 1}

C (s) + \frac{1}{2} O_{2} (g) \to C O (g)

Δ H

k J

C (g) + O_{2} (g) \to C O_{2} (g)

H_{2} O (g) + C (g) \to C O (g) + H_{2} (g)

Δ H = + 131 k J

C O (g) + \frac{1}{2} O_{2} (g) \to {C O}_{2} (g)

Δ H = - 282 k J

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

Δ H = - 242 k J

Δ H_{c o m b} C

I

C (s) + O_{2} (g) ⟶ C O_{2} (g)

I I

C (s) + \frac{1}{2} O_{2} (g) ⟶ C O (g)

I I I

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

C (s) + \frac{1}{2} O_{2} (g) \to C O (g); Δ H_{1} = a

C O (g) + \frac{1}{2} O_{2} (g) \to C O_{2} (g); Δ H_{2} = b

C (s) + C O_{2} (g) \to 2 C O (g); Δ H_{3} = c

C (s) + O_{2} (g) ⟶ {C O}_{2} (g) + x k J

C O (g) + \frac{1}{2} O_{2} (g) ⟶ {C O}_{2} (g) + y k J

C O (g)

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