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
Solution
Breakdown the Problem
- Identify the changes of state involved in the options.
- Determine whether heat energy is absorbed or released during each change.
Relevant Concepts
- Freezing: The process of a liquid turning into a solid, which releases heat.
- Condensation: The transformation of a gas into a liquid, which also releases heat.
- Deposition: The direct transition from gas to solid, which releases heat.
- Melting: The transition from solid to liquid, which requires the absorption of heat energy.
Analysis and Detail
- Freezing: Heat is released as the liquid solidifies.
- Condensation: Heat is released when a gas turns into a liquid.
- Deposition: Heat is released as the gas transforms directly into a solid.
- 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.
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