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AssignmentMultiple Select

Heat

Question 1 • *25-26 KCS18 Chemistry IC

How is the temperature of a substance related to the kinetic energy of its molecules? Select all that apply.

Answer
A
As the kinetic energy of molecules increases, the temperature decreases.
B
As the kinetic energy of molecules increases, the temperature increases.
C
Temperature is a measure of the average electromagnetic energy of molecules in the substance.
D
Temperature is a measure of the average kinetic energy of molecules in the substance.

Explanation

Temperature is related to the average kinetic energy of a substance’s molecules. When the molecules’ kinetic energy increases, their temperature increases, so B is correct. D correctly describes temperature as a measure of average kinetic energy; C is incorrect because it says electromagnetic energy.

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