College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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**Question 14**

A student designed an experiment to test the following hypothesis: If a small pan of cold water (T₂) is placed in a larger pan of hot water (T₁), the cold water will become hot.

*Diagram Explanation:*

The diagram shows a cross-section of a setup where a small pan containing cold water (T₂) is placed inside a larger pan containing hot water (T₁). Two thermometers are shown measuring the temperatures of the cold and hot water, respectively.

**What is the expected result of the experiment and why?**

A. The hot water and the cold water will become warm because of the transfer of heat by conduction. Heat will then be transferred to the molecules of the cold water in the inner pan and throughout the cold water by convection.

B. The hot water will become cooler because heat will be transferred from the cooler water by conduction through the pan of cold water to the water molecules in the pan of hot water causing them to slow down.

C. The cold water will become hotter because the transfer of heat from the hot water to the cold water will occur as the result of the hot water coming into contact with the cold water. The warm water will mix with cold water by convection.

D. The hot water and the cold water will remain at the same temperature because placing the cold water in the pan of hot water will cause warming of the pan with the cold water so that both pans become warmer.
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Transcribed Image Text:**Question 14** A student designed an experiment to test the following hypothesis: If a small pan of cold water (T₂) is placed in a larger pan of hot water (T₁), the cold water will become hot. *Diagram Explanation:* The diagram shows a cross-section of a setup where a small pan containing cold water (T₂) is placed inside a larger pan containing hot water (T₁). Two thermometers are shown measuring the temperatures of the cold and hot water, respectively. **What is the expected result of the experiment and why?** A. The hot water and the cold water will become warm because of the transfer of heat by conduction. Heat will then be transferred to the molecules of the cold water in the inner pan and throughout the cold water by convection. B. The hot water will become cooler because heat will be transferred from the cooler water by conduction through the pan of cold water to the water molecules in the pan of hot water causing them to slow down. C. The cold water will become hotter because the transfer of heat from the hot water to the cold water will occur as the result of the hot water coming into contact with the cold water. The warm water will mix with cold water by convection. D. The hot water and the cold water will remain at the same temperature because placing the cold water in the pan of hot water will cause warming of the pan with the cold water so that both pans become warmer.
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