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Sagot :
To determine the expression for the equilibrium constant ([tex]\( K_{eq} \)[/tex]) for the given reaction, we follow these steps:
1. Write the balanced chemical equation:
[tex]\[ \mathrm{C_2H_4O_2(g) + 2H_2(g) \rightleftharpoons C_2H_6O(g) + H_2O(g)} \][/tex]
2. Understand the equilibrium constant expression:
The equilibrium constant ([tex]\( K_{eq} \)[/tex]) for a reaction is given in terms of the concentrations (or partial pressures for gases) of the reactants and products at equilibrium. For a general reaction:
[tex]\[ aA + bB \rightleftharpoons cC + dD \][/tex]
The equilibrium constant expression is:
[tex]\[ K_{eq} = \frac{[C]^c[D]^d}{[A]^a[B]^b} \][/tex]
where [tex]\([X]\)[/tex] denotes the concentration or partial pressure of the species [tex]\(X\)[/tex].
3. Apply the general form to the given reaction:
For the reaction:
[tex]\[ \mathrm{C_2H_4O_2(g) + 2H_2(g) \rightleftharpoons C_2H_6O(g) + H_2O(g)} \][/tex]
The equilibrium constant expression would be:
[tex]\[ K_{eq} = \frac{[\mathrm{C_2H_6O}][\mathrm{H_2O}]}{[\mathrm{C_2H_4O_2}][\mathrm{H_2}]^2} \][/tex]
### Conclusion:
The equilibrium constant expression for the given equation is:
[tex]\[ K_{eq} = \frac{[\mathrm{C_2H_6O}][\mathrm{H_2O}]}{[\mathrm{C_2H_4O_2}][\mathrm{H_2}]^2} \][/tex]
1. Write the balanced chemical equation:
[tex]\[ \mathrm{C_2H_4O_2(g) + 2H_2(g) \rightleftharpoons C_2H_6O(g) + H_2O(g)} \][/tex]
2. Understand the equilibrium constant expression:
The equilibrium constant ([tex]\( K_{eq} \)[/tex]) for a reaction is given in terms of the concentrations (or partial pressures for gases) of the reactants and products at equilibrium. For a general reaction:
[tex]\[ aA + bB \rightleftharpoons cC + dD \][/tex]
The equilibrium constant expression is:
[tex]\[ K_{eq} = \frac{[C]^c[D]^d}{[A]^a[B]^b} \][/tex]
where [tex]\([X]\)[/tex] denotes the concentration or partial pressure of the species [tex]\(X\)[/tex].
3. Apply the general form to the given reaction:
For the reaction:
[tex]\[ \mathrm{C_2H_4O_2(g) + 2H_2(g) \rightleftharpoons C_2H_6O(g) + H_2O(g)} \][/tex]
The equilibrium constant expression would be:
[tex]\[ K_{eq} = \frac{[\mathrm{C_2H_6O}][\mathrm{H_2O}]}{[\mathrm{C_2H_4O_2}][\mathrm{H_2}]^2} \][/tex]
### Conclusion:
The equilibrium constant expression for the given equation is:
[tex]\[ K_{eq} = \frac{[\mathrm{C_2H_6O}][\mathrm{H_2O}]}{[\mathrm{C_2H_4O_2}][\mathrm{H_2}]^2} \][/tex]
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