AUTOMOTIVE TECHNOLOGY (W/MINDTAP)
AUTOMOTIVE TECHNOLOGY (W/MINDTAP)
7th Edition
ISBN: 9780357096772
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 54, Problem 1SA

What is the amount of heat necessary to change the state of a substance called?

Expert Solution & Answer
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To determine

The name given to the amount of heat necessary to change the state of a substance.

Answer to Problem 1SA

The heat necessary to change the state of a substance is termed as latent heat.

Explanation of Solution

When there is a change in state of a substance that is the substance becomes liquid from solid or vapor from liquid or vice versa, a huge amount of heat is required, this heat is termed as latent heat of vaporization and this process is termed as phase change.

Phase change is quite a complex process and during this process, no change in pressure or temperature is observed.

Conclusion:

Thus, the heat necessary to change the state of a substance is termed as latent heat.

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AUTOMOTIVE TECHNOLOGY (W/MINDTAP)

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