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# Studies on the equilibrium of the following reaction I2(g) D 2 I (g) were done in a 10 L reactor at 500oC and showed that the total pressure at

Studies on the equilibrium of the following reaction
I2(g) D 2 I (g)
were done in a 10 L reactor at 500oC and showed that the total pressure at equilibrium was 40% higher than the pressure when only 2.00 moles of I2 were present at the beginning of the reaction. What is the value of Kp for the reaction?

Solution
Equation: I2(g)
2I- (g)
Given, n = 2 moles
V = 10 L
T = (500+273)K = 773 K
We know, R = 0.08205 L. atm deg-1mol-1
From Gas laws, PV = nRT
Putting the values in the equation and solving for...

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