The direct change of state from vapor to solid is referred to as what?

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Prepare for the RETA Ammonia Refrigeration Test with flashcards and multiple choice questions. Equip yourself with hints and explanations provided. Ace your exam!

Multiple Choice

The direct change of state from vapor to solid is referred to as what?

Explanation:
Deposition is the direct change from vapor to solid. It happens when vapor molecules lose enough energy to lock into a solid structure, bypassing the liquid phase entirely. A familiar example is frost forming on a cold surface when humid air meets very low temperatures. This differs from condensation (gas to liquid), sublimation (solid to gas), and fusion (melting, solid to liquid).

Deposition is the direct change from vapor to solid. It happens when vapor molecules lose enough energy to lock into a solid structure, bypassing the liquid phase entirely. A familiar example is frost forming on a cold surface when humid air meets very low temperatures. This differs from condensation (gas to liquid), sublimation (solid to gas), and fusion (melting, solid to liquid).

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