Question

Select the correct answer.

What effect would adding water (H2O) have on this reaction over time?

(NH4)2CO3(s) ⇌ 2NH3(g) +CO2(g) +H2O(g)








A.

The concentration of products would increase, and the concentration of reactants would decrease.

B.

The concentrations of both products and reactants would increase.

C.

The concentration of products would decrease, and the concentration of reactants would increase.

D.

The concentrations of both products and reactants would decrease.

Answer 1

(NH4)2CO3(s) ⇄ 2NH3(g) + CO2(g) + H2O (g)

The effect that adding water (H2O) have in reaction above is that The concentration of the product would decrease, and the concentration of reactant would increase. (answer C)

Step-by-step explanation

• If the concentration of one substance is changed, the equilibrium shift to minimize the effect of that change.

• H2O in reaction above is a product.

• Increase of water (H2O) concentration will led to the shift of equilibrium to the left ( reactant side) .The concentration of reactant increase as that of product decrease.