Questions: Does a liquid release energy or absorb energy when it changes into a gas? Into a solid?

Does a liquid release energy or absorb energy when it changes into a gas? Into a solid?
Transcript text: Does a liquid release energy or absorb energy when it changes into a gas? Into a solid?
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Solution

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Solution Steps

Step 1: Understanding Phase Changes

When a substance changes from one phase to another, it either absorbs or releases energy. Specifically:

  • When a liquid changes into a gas (vaporization), it absorbs energy.
  • When a liquid changes into a solid (freezing), it releases energy.
Step 2: Analyzing the Given Options

We need to determine which option correctly describes the energy changes for both phase transitions:

  • Absorb, absorb
  • Absorb, release
  • Release, absorb
  • Release, release
Step 3: Matching the Correct Option

Based on our understanding:

  • Liquid to gas: absorbs energy.
  • Liquid to solid: releases energy.

The correct option is "Absorb, release."

Final Answer

\(\boxed{\text{Absorb, release}}\)

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