2300_hw_5 - The local atmospheric pressure is 107.6 kPa Now...

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ME/CH EN 2300 Homework # 5 Due Wednesday, Feb. 14 Note: Please list which section of the class you are in (ME EN or CH EN) on your assignment 1. (3-31, Numbers modified) A piston cylinder device contains 0.85 kg of refrigerant 134a at –10C. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm.
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Unformatted text preview: The local atmospheric pressure is 107.6 kPa. Now heat is transferred to the refrigerant until the temperature is 20C. a) What is the final pressure in the cylinder b) What is the change in volume of the refrigerant in the cylinder? c) What is the change in enthalpy of the refrigerant in the cylinder?...
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