If all the reactants and products in an equilibrium reaction are in the gas phase, then K_p = K_c.

Name: If all the reactants and products in an equilibrium reaction are in the gas phase, then K p = K c .
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Kp and Kc represent the equilibrium constants in terms of partial pressures and concentrations, respectively. They are related by the equation Kp = Kc(RT)^Δn, where Δn is the change in moles of gas and R is the gas constant. This means Kp and Kc are not necessarily equal unless Δn = 0.

If All the Reactants and Products in an Equilibrium Reaction