oblem 17: Two amounts of salt water at different temperatures are brought into thermal contact with each other and mixed thoroughly. The first amount of water has mass m1 = 0.352 kg and its initial temperature is T1 = 7.21 °C. The second has a mass of m2 = 0.873 kg and an initial temperature of T2 = 34 °C. Assume that the system is isolated. Let the specific heat of the water at this salinity to be CW = 0.89 kcal / kg / K. Part (b) Find an expr
oblem 17: Two amounts of salt water at different temperatures are brought into thermal contact with each other and mixed thoroughly. The first amount of water has mass m1 = 0.352 kg and its initial temperature is T1 = 7.21 °C. The second has a mass of m2 = 0.873 kg and an initial temperature of T2 = 34 °C. Assume that the system is isolated. Let the specific heat of the water at this salinity to be CW = 0.89 kcal / kg / K. Part (b) Find an expr
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter21: Heat And The First Law Of Thermodynamics
Section: Chapter Questions
Problem 71PQ
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Problem 17: Two amounts of salt water at different temperatures are brought into thermal contact with each other and mixed thoroughly. The first amount of water has mass m1 = 0.352 kg and its initial temperature is T1 = 7.21 °C. The second has a mass of m2 = 0.873 kg and an initial temperature of T2 = 34 °C. Assume that the system is isolated. Let the specific heat of the water at this salinity to be CW = 0.89 kcal / kg / K.
Part (b) Find an expression for the final temperature of the water after thermal equilibrium has been reached.
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