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PROBLEMS 14.5 Refer to Table 15 of Appendix C. A 2.50-lb piece of steel is dropped into 11.0 lb of water at 75.0°F. The final tem. perature is 84.0°F. What was the initial temperature of the steel? Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. A 250-g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin? How many grams of water at 20°C are necessary to change 800 g of water at 90°C to 50°C? 1. 2. 3. 4. A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60 F. 5. in the final temnerature? I71

PROBLEMS 14.5 Refer to Table 15 of Appendix C. A 2.50-lb piece of steel is dropped into 11.0 lb of water at 75.0°F. The final tem. perature is 84.0°F. What was the initial temperature of the steel? Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. A 250-g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin? How many grams of water at 20°C are necessary to change 800 g of water at 90°C to 50°C? 1. 2. 3. 4. A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60 F. 5. in the final temnerature? I71

College Physics
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
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PROBLEMS 14.5 Refer to Table 15 of Appendix C. A 2.50-lb piece of steel is dropped into 11.0 lb of water at 75.0°F. The final tem. perature is 84.0°F. What was the initial temperature of the steel? Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. A 250-g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin? How many grams of water at 20°C are necessary to change 800 g of water at 90°C to 50°C? 1. 2. 3. 4. A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60 F. 5. in the final temnerature? I71
Transcribed Image Text:PROBLEMS 14.5 Refer to Table 15 of Appendix C. A 2.50-lb piece of steel is dropped into 11.0 lb of water at 75.0°F. The final tem. perature is 84.0°F. What was the initial temperature of the steel? Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. A 250-g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin? How many grams of water at 20°C are necessary to change 800 g of water at 90°C to 50°C? 1. 2. 3. 4. A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60 F. 5. in the final temnerature? I71
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