6CO2 (g) + 6H2O (g) -> C6H12O6 (s) + 6O2 (g) @ room temperature. concentrations

Question

6CO2 (g) + 6H2O (g) -> C6H12O6 (s) + 6O2 (g) @ room temperature. concentrations are: [H2O] = 7.91x10-2M, [CO2] = 9.3-1M, and [O2] = 2.4x10-3M

(1a) Calculate the value of Kp for the reaction at room temperature:

(1b) In an atomosphere that has a meassured pressure of 780 torr and contains 10% O2 gass, 40% H2O gass, and 50% CO2 gass, what is the value of Qp?

(1c) In which direction will the reaction procees to reach equilibrium?

(1d) What are the partial pressure of H2O, CO2, and O2 at equilibrium?

Explanation / Answer

6CO2 (g) + 6H2O (g) -> C6H12O6 (s) + 6O2 (g)

    Kc = [O2]^6 /[H2O]^6 * [CO2]^6
    Kc = (2.4*10^-3)^6 /(7.91*10^-2)^6 *(9.3*10^-1)^6
    Kc = 1.206*10^-9

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