Assuming that only enough heat is transferred for the phase change, which of the following requires a greater magnitude of heat transfer: Freezing one cubic metre of liquid water. Melting one cubic metre of ice. Melting one cubic metre of ice. O Freezing one cubic metre of liquid water. Melting one cubic metre of ice requires precisely the same magnitude of heat as does freezing one cubic metre of liquid water.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Heat Transfer in Phase Changes**

**Question:**
Assuming that only enough heat is transferred for the phase change, which of the following requires a greater magnitude of heat transfer:
- Freezing one cubic metre of liquid water.
- Melting one cubic metre of ice.

**Options:**
1. Melting one cubic metre of ice.
2. Freezing one cubic metre of liquid water.
3. Melting one cubic metre of ice requires precisely the same magnitude of heat as does freezing one cubic metre of liquid water.

**Explanation:**
In this context, the term "magnitude of heat transfer" refers to the amount of energy required to change the phase of a substance. Specifically, for water and ice, the amount of heat energy required to melt ice or freeze water is essentially the same due to the principle of conservation of energy. Thus, the correct understanding is that melting one cubic metre of ice requires the same magnitude of heat (energy) as freezing one cubic metre of liquid water.
Transcribed Image Text:**Heat Transfer in Phase Changes** **Question:** Assuming that only enough heat is transferred for the phase change, which of the following requires a greater magnitude of heat transfer: - Freezing one cubic metre of liquid water. - Melting one cubic metre of ice. **Options:** 1. Melting one cubic metre of ice. 2. Freezing one cubic metre of liquid water. 3. Melting one cubic metre of ice requires precisely the same magnitude of heat as does freezing one cubic metre of liquid water. **Explanation:** In this context, the term "magnitude of heat transfer" refers to the amount of energy required to change the phase of a substance. Specifically, for water and ice, the amount of heat energy required to melt ice or freeze water is essentially the same due to the principle of conservation of energy. Thus, the correct understanding is that melting one cubic metre of ice requires the same magnitude of heat (energy) as freezing one cubic metre of liquid water.
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