
Equilibrium Constants and Expressions

Interactive Video
•
Chemistry
•
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
What is a heterogeneous equilibrium?
An equilibrium involving only solids
An equilibrium involving only liquids
An equilibrium involving components in more than one phase
An equilibrium involving only gases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which components are excluded from the equilibrium constant expression?
All components are included
Gaseous components
Solid and liquid components
Aqueous components
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction of iron and water, which product is excluded from the equilibrium constant expression?
Oxygen
Water
Hydrogen gas
Iron(III) oxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the equilibrium constant for a reaction?
Identify the phases of components
Write the balanced chemical equation
Calculate the volume of the vessel
Convert grams to moles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the methanol and oxygen reaction, which reactant is excluded from the equilibrium constant expression?
Carbon dioxide
Water
Methanol
Oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the concentration of a component expressed in the equilibrium constant expression?
Liters per mole
Moles per liter
Grams per liter
Moles per gram
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of rounding the final answer to two significant digits?
To make the number larger
To avoid using scientific notation
To match the precision of given data
To simplify the calculation
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