A student ran the following reaction in the laboratory at 697 K: 2HI(g) H2(g) + I2(g) When he introduced HI(g) at a pressure of 4.75 atm into a 1.00 L evacuated container, he found the equilibrium partial pressure of I2(g) to be 0.502 atm. Calculate the equilibrium constant, Kp, he obtained for this reaction. Kp =

Chemistry: The Molecular Science
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Chapter19: The Chemistry Of The Main-group Elements
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A student ran the following reaction in the laboratory at 697 K:

2HI(g) H2(g) + I2(g)

When he introduced HI(g) at a pressure of 4.75 atm into a 1.00 L evacuated container, he found the equilibrium partial pressure of I2(g) to be 0.502 atm.

Calculate the equilibrium constant, Kp, he obtained for this reaction.

Kp =  

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