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Equilibrium • Chemistry
Set 3 — Foundation
What is the expression for the equilibrium constant for the reaction ?
For the reaction , if at a certain temperature, what is the value of ?
If the equilibrium constant for a reaction is less than 1, what does this imply about the reaction at equilibrium?
Products are favored over reactants.
Reactants are favored over products.
Equilibrium concentrations are equal.
The reaction does not reach equilibrium.
For the equilibrium reaction , if at a certain temperature, what is for the reverse reaction ?
In the reaction , what does indicate if it is very large?
Which of the following factors does NOT affect the equilibrium constant ?
Temperature
Concentration of reactants
Pressure
Catalysts
Which of the following statements about the equilibrium constant is true?
is temperature dependent.
is always less than 1.
For the reaction , if the initial concentration of is doubled, what will happen to ?
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Equilibrium lies to the left.
Equilibrium lies to the right.
No reaction occurs.
The reaction is at dynamic equilibrium.
can change if the concentration of reactants is increased.
is the same for all reactions.
will double.
will stay the same.
will become zero.
will increase infinitely.
In the reaction , if , what does this suggest about the concentrations of compared to and ?
[R] is much greater than [P] and [Q].
[R] is much less than [P] and [Q].
[R] is equal to [P] and [Q].
[R] cannot be determined.
In a chemical equilibrium, what does the term 'dynamic equilibrium' mean?
The concentrations of reactants and products are constant.
The reaction has stopped.
Reactants are being converted to products at equal rates.
The reaction is complete.