From the following data-i H 2 g-CO 2 g- H 2 Og-COg- K 2000K -4-4ii 2 H 2 Og- 2H 2 g- 2O 2 g- K 2000K -5-31- 10 -10iii 2COg- 2O 2 g- 2C O 2 g- K 1000K -2-24- 10 22State whether the reaction iii is exothermic or endothermic-

The #10;given reaction is #10; #10; 2CO+2O_2⇌ #10;2CO_2 #160; #10; #10;In #10;synthesis of CO_2 both heat and light are produced. ...

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Binary Compounds - Hydrides

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Question

From the following data:
(i) $H_{2} (g) + C O_{2} (g) ⇌ H_{2} O (g) + C O (g)$ ; $K_{2000 K} = 4.4$
(ii) $2 H_{2} O (g) ⇌ {2 H}_{2} (g) + {2 O}_{2} (g)$ ; $K_{2000 K} = 5.31 \times 10^{- 10}$
(iii) $2 C O (g) + {2 O}_{2} (g) ⇌ 2 C O_{2} (g)$ ; $K_{1000 K} = 2.24 \times 10^{22}$
State whether the reaction (iii) is exothermic or endothermic?

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1400 K

2 H_{2} O (g) ⇌ 2 H_{2} (g) + O_{2} (g); K_{1} = 2.1 \times 10^{- 13}

2 {C O}_{2} (g) ⇌ 2 C O (g) + O_{2} (g); K_{2} = 1.4 \times 10^{- 12}

K

H_{2} (g) + C O_{2} (g) ⇌ C O (g) + H_{2} O (g)

H_{2}

C H_{4} (g) + \frac{1}{2} O_{2} (g) \to C O (g) + 2 H_{2} (g)

C H_{4} (g) + 2 O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (g); △ H = - 800 k J

C H_{4} (g) + C O_{2} (g) \to 2 C O (g) + 2 H_{2} (g); △ H = + 235 k J

C H_{4} (g) + H_{2} O (g) \to C O (g) + 3 H_{2} (g); △ H = + 204 k J

△ H

2 H_{2} O (g) ⇋ 2 H_{2} (g) + O_{2} (g); K_{1} = 6.4 \times 10^{- 8}

2 C O_{2} (g) ⇋ 2 C O (g) + O_{2} (g); K_{2} = 1.6 \times 10^{- 6}

H_{2} (g) + C O_{2} (g) ⇋ C O (g) + H_{2} O (g)

H_{2}

C H_{4} (g) + \frac{1}{2} O_{2} (g) \to C O (g) + 2 H_{2} (g)

C H_{4} (g) + 2 O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (g); △ H = - 800 k J

C H_{4} (g) + C O_{2} (g) \to 2 C O (g) + 2 H_{2} (g); △ H = + 235 k J

C H_{4} (g) + H_{2} O (g) \to C O (g) + 3 H_{2} (g); △ H = + 204 k J

△ H

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

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