We are being asked to calculate Kp for the decomposition of phosgene (CoCl2) where its Kc is given.
COCl2(g) ⇌ CO(g) + Cl2(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:
Phosgene, COCl2, a poisonous gas, decomposes according to the equation
COCl2(g) ⇌ CO(g) + Cl2(g)
Calculate Kp for this reaction if Kc = 0.083 at 900ºC.
A) 0.125
B) 8.0
C) 6.1
D) 0.16
E) 0.083
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