Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium pressure of H2. D2 (g) + H2 (g) ⇌ 2 HD (g) Kp = 1.80 P (D2) eq = 1.1 * 10-3 atm P (HD) eq = 2.7 * 10-3 atm

Question

Chemistry

Mireya Duffy

2 February, 12:27

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium pressure of H2. D2 (g) + H2 (g) ⇌ 2 HD (g) Kp = 1.80 P (D2) eq = 1.1 * 10-3 atm P (HD) eq = 2.7 * 10-3 atm

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Answers (1)

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Isabell · Answer 1

1.4 * 10^-3

Explanation:

The equilibrium expression can be written as follows:

Keq = P [HD]^2/[ P[H2] * P[D2]]

Where P is pressure

1.80 = (2.7 * 10^-3) ^2 / (1.1 * 10^-3 * P[H2])

P[H2] = [2.7 * 10^-3]^2 / [1.8 * 1.1 * 10^-3]

P[H2] = 1.4 * 10^-3 atm