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Equilibrium • Chemistry
Set 2 — Foundation
What is the equilibrium constant expression for the reaction ?
For the reaction , what is the expression for the equilibrium constant ?
If the equilibrium constant for a reaction is 10, what can be inferred about the position of equilibrium?
The products are favored at equilibrium.
The reactants are favored at equilibrium.
The reaction does not proceed to any extent.
The reaction is at equilibrium and concentrations are equal.
For the equilibrium reaction , if , which statement is true?
What happens to the equilibrium constant when a reaction is reversed?
The equilibrium constant becomes the reciprocal.
The equilibrium constant doubles.
The equilibrium constant remains the same.
The equilibrium constant is squared.
Which of the following factors does not affect the equilibrium constant ?
Temperature.
Concentration of reactants.
Pressure.
Catalysts.
In the reaction , if at a certain temperature, what does this imply?
If the concentration of a reactant in a reaction at equilibrium is doubled, what happens to the equilibrium constant ?
It remains unchanged.
It increases.
It decreases.
It becomes zero.
In the expression for , which of the following is NOT included?
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Reactants are favored over products.
Products are favored over reactants.
The equilibrium concentrations of and are equal.
The reaction goes to completion.
The concentration of is greater than that of and at equilibrium.
The concentration of is greater than that of at equilibrium.
The reaction does not reach equilibrium.
The concentrations are all equal at equilibrium.
Solids.
Gases.
Liquids.
Aqueous solutions.
For the reaction , if , what can be said about the system at equilibrium?
Reactants are favored.
Products are favored.
The system is at completion.
There is no reaction occurring.