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A 25.0-g sample of copper at 90.0°C is placed in 100.0 g of water at 20.0 °C. The copper and water quickly come to the same temperature by the process of heat transfer from copper to water. Calculate the final temperature of the water. Assume that the molar heat capacity of water and copper are 75.2 J K-¹ mol-¹ and 24.5 J K¹ mol¹ respectively.

A 25.0-g sample of copper at 90.0°C is placed in 100.0 g of water at 20.0 °C. The copper and water quickly come to the same temperature by the process of heat transfer from copper to water. Calculate the final temperature of the water. Assume that the molar heat capacity of water and copper are 75.2 J K-¹ mol-¹ and 24.5 J K¹ mol¹ respectively.

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
Section: Chapter Questions
Problem 78A: Alloys When a 58.8-g piece of hot alloy is placed in125 g of cold water in a calorimeter, the...
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A 25.0-g sample of copper at 90.0°C is placed in 100.0 g of water at 20.0 °C. The copper and water quickly come to the same temperature by the process of heat transfer from copper to water. Calculate the final temperature of the water. Assume that the molar heat capacity of water and copper are 75.2 J K-¹ mol-¹ and 24.5 J K-¹ mol-¹ respectively.
Transcribed Image Text:A 25.0-g sample of copper at 90.0°C is placed in 100.0 g of water at 20.0 °C. The copper and water quickly come to the same temperature by the process of heat transfer from copper to water. Calculate the final temperature of the water. Assume that the molar heat capacity of water and copper are 75.2 J K-¹ mol-¹ and 24.5 J K-¹ mol-¹ respectively.
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