What is the significance of KQ in a chemical reaction?

Comparing Reaction Quotients and Equilibrium

Interactive Video
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Chemistry, Science, Biology
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9th - 10th 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 determines the speed of the reaction.
It indicates the reaction's equilibrium position.
It measures the temperature of the reaction.
It shows the amount of reactants used.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is Q different from KQ in terms of reaction conditions?
Q is calculated at equilibrium, while KQ is not.
Q measures temperature, while KQ measures pressure.
Q is always larger than KQ.
Q is determined using initial concentrations, while KQ uses equilibrium concentrations.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if Q is larger than KQ?
The reaction shifts to the left.
The reaction stops completely.
The reaction remains unchanged.
The reaction shifts to the right.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the analogy of a number line, what does a 'big Q' indicate?
The reaction is too slow.
The reaction is at equilibrium.
The reaction needs to shift left to reach equilibrium.
The reaction needs to shift right to reach equilibrium.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating Q for a reaction?
Identify the equilibrium constant KQ.
Use the initial concentrations of reactants and products.
Measure the pressure of the system.
Determine the temperature of the reaction.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example provided, what was the calculated value of Q?
1.7 * 10^4
7.1 * 10^3
2,682
4.29
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a 'tiny Q' suggest about the direction of the reaction shift?
The reaction is at equilibrium.
The reaction will stop.
The reaction will shift to the left.
The reaction will shift to the right.
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