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senior question

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senior question

Post  JasonGHerbalExt on Sun Jan 18, 2015 10:29 pm

If the reaction is at equilibrium with excess C(s) remaining, what change will increase the quantity of CO(g) for the reaction at equilibrium?
I Adding C(s)
II Increasing the temperature
III Increasing the pressure

(A) I only (B) III only
(C) I, II, and III (D) None of these

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Equilibrium Shifting

Post  DrPelezo on Fri May 22, 2015 7:08 pm

To answer this question accurately, you'll need to supply the chemical equation and include heat of reaction. An equilibrium can be affected by concentration changes, temperature change, and pressure-volume change, or a combination of three, including adjusting all three factors. However, addition of catalyst will not affect an equilibrium and if sum of molar volumes of reactants and products are equal, changes in pressure-volume conditions will not affect the equilibrium.

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