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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.


Answers

GPT-4o mini
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.

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