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The amount of energy it takes to raise the temperature of a substance one degree per unit of mass is called its:

Question 3 options:

density

entropy

temperature

specific heat

Question 4 (3 points)
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Railroad tracks have gaps between the rails so that they will not buckle in hot weather because of

Question 4 options:

specific heat.

thermal expansion.

thermal conductivity.

thermal insulation.

Question 5 (3 points)
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The process in which matter expands when it is heated is known as

Question 5 options:

condensation.

evaporation.

vaporization.

thermal expansion.

Answer 1

For your questions:

Question 3: The amount of energy it takes to raise the temperature of a substance one degree per unit of mass is called its:
Answer: specific heat

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Question 4: Railroad tracks have gaps between the rails so that they will not buckle in hot weather because of
Answer: thermal expansion.

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Question 5: The process in which matter expands when it is heated is known as
Answer: thermal expansion.