What is a dynamic chemical equilibrium?

Chemical Equilibrium Concepts and Effects

Interactive Video
•
Chemistry, Science, Biology
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A state where products are completely converted to reactants.
A state where reactants are completely converted to products.
A state where the forward and reverse reactions occur at the same rate.
A state where no reactions occur.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the reaction quotient (Qc) used in relation to the equilibrium constant (Kc)?
To predict the direction in which a reaction will proceed to reach equilibrium.
To determine the speed of a reaction.
To compare the concentrations of reactants and products at equilibrium.
To measure the temperature of a reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if Qc is greater than Kc?
The reaction will stop.
The system is at equilibrium.
The reaction will shift to the right to form more products.
The reaction will shift to the left to form more reactants.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Le Chatelier's Principle, what happens when more reactant is added to a system at equilibrium?
The system remains unchanged.
The system shifts to the right, forming more products.
The system shifts to the left, forming more reactants.
The system stops reacting.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an increase in temperature affect an exothermic reaction at equilibrium?
It has no effect on the equilibrium.
It shifts the equilibrium to the left.
It shifts the equilibrium to the right.
It stops the reaction.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endothermic reaction, what is the effect of decreasing the temperature?
The reaction stops.
The equilibrium remains unchanged.
The equilibrium shifts to the left.
The equilibrium shifts to the right.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing the volume of a container on a gaseous equilibrium system?
The system stops reacting.
The pressure remains constant and the system does not shift.
The pressure decreases and the system shifts to the side with more gas molecules.
The pressure increases and the system shifts to the side with fewer gas molecules.
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