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
Calculate Kc for the following equilibria:
(b) 2SO2(g) + O2(g) ⥫ 2SO3(g); Kp = 2.5×1010 at 500. K
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