Question

A 15.00-L vessel at 700 K initially contains HI(g) at a pressure of 4.00 atm; at equilibrium, it is found that the partial pressure of H2(g) is 0.387 atm. What is the partial pressure of HI(g) at equilibrium?
2HI(g) H2(g) + I2(g)
A) 4.00 atm
B) 3.61 atm
C) 3.23 atm
D) 4.39 atm
E) 0.387 atm

Answer

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