What is a chemical equation?

Equilibrium Constants and Expressions

Interactive Video
•
Chemistry, Science, Biology
•
10th - 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 process to separate chemical mixtures
A method to measure reaction rates
A formula for calculating equilibrium constants
A representation of a chemical reaction with reactants and products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the equilibrium constant (K) represent?
The speed of a reaction
The ratio of concentrations of products to reactants at equilibrium
The amount of energy released in a reaction
The temperature at which a reaction occurs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you solve for the equilibrium constant?
By dividing the concentration of products by reactants
By multiplying the concentration of products by reactants
By dividing the concentration of reactants by products
By adding the concentration of reactants and products
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of mass action state?
Concentrations should be subtracted from each other
Concentrations should be divided by their coefficients
Concentrations should be added together
Concentrations should be raised to the power of their coefficients
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do square brackets indicate in equilibrium expressions?
Temperature
Pressure
Concentration
Volume
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is partial pressure indicated in equilibrium expressions?
With a capital P
With a lowercase p
With a square bracket
With a curly bracket
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do solids and liquids not appear in equilibrium expressions?
They have a variable concentration
They are assumed to have a concentration of zero
They are assumed to have a value of one
They do not participate in reactions
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