We are being asked to calculate Kp at 327°C for the reaction:
CH3OH(g) ⇌ CO(g) + 2H2(g)
When dealing with equilibrium:
• Kc → equilibrium units are in molarity
• Kp → equilibrium units in terms of pressure
Kp and Kc are related to one another by the following equation below:
R = gas constant = 0.08206 (L∙atm)/(mol∙K)
T = temperature, K
Δn = moles of gas products – moles of gas reactants
Step 1. Calculate Kc:
At 327ºC, the equilibrium concentrations are [CH 3OH] = 0.15 M, [CO] = 0.24 M, and [H2] = 1.1 M for the reaction
CH3OH(g) ⇌ CO(g) + 2H2(g)
Calculate Kp at this temperature.
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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.