Heat of transition is the heat evolved or absorbed, when a substance is converted from_________________?
Correct answer: D. One allotropic form to another allotropic form
- A. Vapor to liquid
- B. Vapor to solid
- C. Solid to liquid
- D. One allotropic form to another allotropic form
Explanation
Heat of transition refers to the heat absorbed or released when a substance changes between two allotropic forms, such as one crystal structure and another. Vaporisation, sublimation, and melting are separate phase changes.
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