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During which change is heat energy absorbed?A.FreezingB.CondensationC.DepositionD.Melting

Question

During which change is heat energy absorbed?

  • A. Freezing
  • B. Condensation
  • C. Deposition
  • D. Melting
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Solution

Breakdown the Problem

  1. Identify the changes of state involved in the options.
  2. Determine whether heat energy is absorbed or released during each change.

Relevant Concepts

  1. Freezing: The process of a liquid turning into a solid, which releases heat.
  2. Condensation: The transformation of a gas into a liquid, which also releases heat.
  3. Deposition: The direct transition from gas to solid, which releases heat.
  4. Melting: The transition from solid to liquid, which requires the absorption of heat energy.

Analysis and Detail

  1. Freezing: Heat is released as the liquid solidifies.
  2. Condensation: Heat is released when a gas turns into a liquid.
  3. Deposition: Heat is released as the gas transforms directly into a solid.
  4. Melting: Heat energy is required to break the bonds in a solid so that it can transition into a liquid.

Verify and Summarize

Among the options provided, the only process during which heat energy is absorbed is melting. This is when a solid requires heat to transform into a liquid state.

Final Answer

D. Melting is the change during which heat energy is absorbed.

This problem has been solved

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