A 1.0 L evacuated tank is charged with HI(g) to a pressure of 1.0 atm at ⁷⁹³K. Some of the HI(g) forms H₂(g) and I₂(g) according to the equilibrium;
2HI(g) ⇌ H₂(g) + I₂(g) Kp = 0.016
What is the pressure (in atm) of HI at equilibrium?

Question

A 1.0 L evacuated tank is charged with HI(g) to a pressure of 1.0 atm at 793K. Some of the HI(g) forms H2(g) and I2(g) according to the  equilibrium;
2HI(g) ⇌ H2(g) + I2(g) Kp = 0.016
What is the pressure (in atm)  of HI at equilibrium?

Accepted Answer

Correct answer: C.

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