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After finishing the spring semester examinations, Khamis and his friends decided to go on a road trip from Muscat to Salalah. They bought some cola drinks (mostly of water) and had them chilled at 0°C before the trip. However, they got concerned about maintaining the same temperature for their drinks. The cheapest way to cool the drinks is to keep them in a thermocol box with ice. They got a cubic thermocol box with sides 50 cm and thickness 5.0 cm. It was a hot day and the average temperature during their 14-hour trip was forecasted to be 45°C. Being physics student, Khamis and his friends estimated the amount of ice that they should keep inside the thermocol box in order to maintain the temperature of their drinks at 0ºC during the journey. Given the heat of fusion of ice as 3.34 x 105 J Kg-1 Note: The bottom surface of the cubic thermocol box was kept on a thermally insulated block inside the car so that no heat escapes out of this surface. The thermal conductivity (K) of thermocol is 0.01 J s-¹m-¹K-1

After finishing the spring semester examinations, Khamis and his friends decided to go on a road trip from Muscat to Salalah. They bought some cola drinks (mostly of water) and had them chilled at 0°C before the trip. However, they got concerned about maintaining the same temperature for their drinks. The cheapest way to cool the drinks is to keep them in a thermocol box with ice. They got a cubic thermocol box with sides 50 cm and thickness 5.0 cm. It was a hot day and the average temperature during their 14-hour trip was forecasted to be 45°C. Being physics student, Khamis and his friends estimated the amount of ice that they should keep inside the thermocol box in order to maintain the temperature of their drinks at 0ºC during the journey. Given the heat of fusion of ice as 3.34 x 105 J Kg-1 Note: The bottom surface of the cubic thermocol box was kept on a thermally insulated block inside the car so that no heat escapes out of this surface. The thermal conductivity (K) of thermocol is 0.01 J s-¹m-¹K-1

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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After finishing the spring semester examinations, Khamis and his friends decided to go on a road trip from Muscat to Salalah. They bought some cola drinks (mostly of water) and had them chilled at 0ºC before the trip. However, they got concerned about maintaining the same temperature for their drinks. The cheapest way to cool the drinks is to keep them in a thermocol box with ice. They got a cubic thermocol box with sides 50 cm and thickness 5.0 cm. It was a hot day and the average temperature during their 14-hour trip was forecasted to be 45°C. Being physics student, Khamis and his friends estimated the amount of ice that they should keep inside the thermocol box in order to maintain the temperature of their drinks at 0°C during the journey. Given the heat of fusion of ice as 3.34 x 105 J Kg-1 Note: The bottom surface of the cubic thermocol box was kept on a thermally insulated block inside the car so that no heat escapes out of this surface. The thermal conductivity (K) of thermocol is 0.01 J s-ªm-1K1
Transcribed Image Text:After finishing the spring semester examinations, Khamis and his friends decided to go on a road trip from Muscat to Salalah. They bought some cola drinks (mostly of water) and had them chilled at 0ºC before the trip. However, they got concerned about maintaining the same temperature for their drinks. The cheapest way to cool the drinks is to keep them in a thermocol box with ice. They got a cubic thermocol box with sides 50 cm and thickness 5.0 cm. It was a hot day and the average temperature during their 14-hour trip was forecasted to be 45°C. Being physics student, Khamis and his friends estimated the amount of ice that they should keep inside the thermocol box in order to maintain the temperature of their drinks at 0°C during the journey. Given the heat of fusion of ice as 3.34 x 105 J Kg-1 Note: The bottom surface of the cubic thermocol box was kept on a thermally insulated block inside the car so that no heat escapes out of this surface. The thermal conductivity (K) of thermocol is 0.01 J s-ªm-1K1
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