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Multiple Choice
For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), if the equilibrium partial pressures are P(SO2) = 0.2 atm, P(O2) = 0.1 atm, and P(SO3) = 0.4 atm, what is the value of the equilibrium constant Kp?
A
Kp = 1.0
B
Kp = 4.0
C
Kp = 2.0
D
Kp = 0.5
Verified step by step guidance
1
Identify the balanced chemical equation for the reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g).
Write the expression for the equilibrium constant Kp for the reaction. Kp is given by the formula: .
Substitute the given equilibrium partial pressures into the Kp expression: .