Question

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?

Answer 1

Answer:

When the no. of moles of reactant gases (a + b) = the no. of moles of product gases (c + d).

Explanation:

• The relation between Kp and Kc is:

Kp = Kc(RT)∧Δn.

• So, Kp = Kc, when Δn = zero.

• Δn is the difference between the no. of gas molecules in the products side and that in the reactants side.

• So, Δn = zero, when the no. of molecules of gases in the products side = the no. of molecules of gases in the reactants side which means (a + b) = (c + d).