
Equilibrium Constants and Reactions
Interactive Video
•
Chemistry
•
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
What happens to the concentration of products if the forward reaction is faster than the reverse reaction?
No change in concentrations
More products than reactants
Equal amounts of reactants and products
More reactants than products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the equilibrium constant (K) calculated?
Difference between reactants and products
Reactants over products raised to the power of coefficients
Products over reactants raised to the power of coefficients
Sum of reactants and products
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example problem, what is the concentration of ammonia at equilibrium?
0.010 M
1.98 M
3.50 M
0.31 M
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do equilibrium constants have no units?
The units cancel out during calculation
They are always zero
They depend on temperature
They are dimensionless by definition
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When writing equilibrium constant expressions, which states of matter should be omitted?
Solids and gases
All states of matter
Gases and liquids
Liquids and solids
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equilibrium constant expression for the reaction: 3 NO(g) → N2(g) + NO2(g)?
KC = [NO2] / [N2][NO]^3
KC = [N2][NO2]^3 / [NO]
KC = [NO]^3 / [N2][NO2]
KC = [N2][NO2] / [NO]^3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a large equilibrium constant value?
More reactants than products at equilibrium
More products than reactants at equilibrium
Equal amounts of reactants and products
No reaction occurs
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