question archive 1)If the following reaction is at equilibrium, what will happen to the concentration of the products and reactants after more CaCO3 is added? CaCO3 (s) <------> CaO(s) + CO2 (g) ?H: 23
1)If the following reaction is at equilibrium, what will happen to the concentration of the products and reactants after more CaCO3 is added? CaCO3 (s) <------> CaO(s) + CO2 (g) ?H: 23
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1)If the following reaction is at equilibrium, what will happen to the concentration of the products and reactants after more CaCO3 is added?
CaCO3 (s) <------> CaO(s) + CO2 (g) ?H: 23.4 kcal
Select one:
a. Reactants will increase, products will decrease
b. The concentration of the reactants and products will remain the same
c. Reactants will increase, products will increase
d. Reactants will decrease, products will increase
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option b is correct
The concentration of the reactants and products will remain the same
Step-by-step explanation
CaCO3 (s) <------> CaO(s) + CO2 (g)
for this reaction value of Ka (equilibrium constant) = 1 / [CaO] [CO2]
we do not consider solid in equilibrium expression because it's activity is 1
so Ka = 1 / [CaO] [CO2]
so if we add any CaCO3 once if equilibrium is reached, there will be no effect on the concentration of the reactants and products
