Problem: The equilibrium constant is 0.0900 at 25ºC for the reaction H2O(g) + Cl2O(g) ⇌ 2HOCl(g)For which of the following sets of conditions is the system at equilibrium? For those that are not at equilibrium, in which direction will the system shift?a. PH2O = 1.00 atm, PCl2O = 1.00 atm, PHOCl = 1.00 atmb. PH2O = 200. torr, PCl2O = 49.8 torr, PHOCl = 21.0 torrc. PH2O = 296 torr, PCl2O = 15.0 torr, PHOCl = 20.0 torr

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Calculating reaction quotient:

Q = [products][reactants]

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Problem Details

The equilibrium constant is 0.0900 at 25ºC for the reaction 

H2O(g) + Cl2O(g) ⇌ 2HOCl(g)

For which of the following sets of conditions is the system at equilibrium? For those that are not at equilibrium, in which direction will the system shift?

a. PH2O = 1.00 atm, PCl2O = 1.00 atm, PHOCl = 1.00 atm

b. PH2O = 200. torr, PCl2O = 49.8 torr, PHOCl = 21.0 torr

c. PH2O = 296 torr, PCl2O = 15.0 torr, PHOCl = 20.0 torr

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Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.