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From the following data i. H(2)(g)+CO(...

From the following data
i. `H_(2)(g)+CO_(2)(g) hArr H_(2)O(g)+CO(g), K_(2000 K)=4.40`
ii. `2H_(2)O(g) hArr 2H_(2)(g)+O_(2)(g), K_(2000 K)^(I)=5.31xx10^(-10)`
iii. `2CO(g)+O_(2)(g) hArr 2CO_(2)(g), K_(1000 K)=2.24xx10^(22)`
Show whether reaction (iii) is exothermic or endothermic.

Text Solution

AI Generated Solution

To determine whether reaction (iii) is exothermic or endothermic, we can analyze the equilibrium constants provided and how they change with temperature. Here’s a step-by-step solution: ### Step 1: Write down the reactions and their equilibrium constants We have the following reactions and their equilibrium constants: 1. \( H_2(g) + CO_2(g) \rightleftharpoons H_2O(g) + CO(g), \quad K_{2000 K} = 4.40 \) 2. \( 2H_2O(g) \rightleftharpoons 2H_2(g) + O_2(g), \quad K_{2000 K}^{(I)} = 5.31 \times 10^{-10} \) 3. \( 2CO(g) + O_2(g) \rightleftharpoons 2CO_2(g), \quad K_{1000 K} = 2.24 \times 10^{22} \) ...
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