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There is 2 kilograms of gas with a molecular weight of 28, located in a rigid tank which is closed and equipped with an electrical resistor. A fixed resistance of 10 amperes and a voltage of 12 volts are applied to this system for 10 minutes. When thermal equilibrium is reached, it is seen that the temperature of the gas rises by 40.3°C. The heat transfer to the environment is estimated at 20 W. Assuming ideal gas behavior, in this temperature range the gas Find the average value of its specific heat Cp. (kj/kg K)

There is 2 kilograms of gas with a molecular weight of 28, located in a rigid tank which is closed and equipped with an electrical resistor. A fixed resistance of 10 amperes and a voltage of 12 volts are applied to this system for 10 minutes. When thermal equilibrium is reached, it is seen that the temperature of the gas rises by 40.3°C. The heat transfer to the environment is estimated at 20 W. Assuming ideal gas behavior, in this temperature range the gas Find the average value of its specific heat Cp. (kj/kg K)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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There is 2 kilograms of gas with a molecular weight of 28, located in a rigid tank which is closed and equipped with an electrical resistor. A fixed resistance of 10 amperes and a voltage of 12 volts are applied to this system for 10 minutes. When thermal equilibrium is reached, it is seen that the temperature of the gas rises by 40.3°C. The heat transfer to the environment is estimated at 20 W. Assuming ideal gas behavior, in this temperature range the gas Find the average value of its specific heat Cp. (kj/kg K)
 
 
 
 
 
 
 
 
 
 
 
 


 
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