What is the main characteristic of a reversible reaction?

Equilibrium Reactions and Constants

Interactive Video
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Chemistry, Science, Physics
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9th - 12th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It stops once equilibrium is reached.
It can proceed in both forward and reverse directions.
It only occurs in open systems.
It only proceeds in one direction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a reaction is said to 'lie to the right', what does it mean?
The reaction is irreversible.
The reaction is at equilibrium.
The products are favored.
The reactants are favored.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the reaction rates of A and B as they form C and D over time?
The reaction rate of A and B increases.
The reaction rate of A and B decreases.
The reaction rate of C and D decreases.
The reaction rate of C and D remains constant.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a large equilibrium constant (K) indicate about a reaction?
The reaction favors the reactants.
The reaction favors the products.
The reaction is irreversible.
The reaction is slow.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the equilibrium constant (K) determined?
By observing the color change of the reaction.
Through theoretical calculations.
By measuring the concentrations at equilibrium.
By calculating the reaction rate.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equilibrium expression, what do the exponents represent?
The temperature of the reaction.
The coefficients from the balanced equation.
The initial concentrations of reactants.
The speed of the reaction.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a unitless equilibrium constant?
It acts as a constant of proportionality.
It shows the reaction is at equilibrium.
It means the reaction is spontaneous.
It indicates the reaction is irreversible.
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