200 g of ethyl alchohol is vapor at 108.5 degrees C. How much heat in units of kcal must we remove to cause all of the mass to become frozen at -127 degrees C? Q = [X] ___________ kcal
200 g of ethyl alchohol is vapor at 108.5 degrees C. How much heat in units of kcal must we remove to cause all of the mass to become frozen at -127 degrees C? Q = [X] ___________ kcal
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 56P
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**4.) 200 g of ethyl alchohol is vapor at 108.5 degrees C. How much heat in units of kcal must we remove to cause all of the mass to become frozen at -127 degrees C?
Q = [X] ___________ kcal
Heat Constants: Ethyl Alcohol - Melting point of -117 degrees C, Boiling point at 78.5 degrees C, Specific Heat 0.58 kcal/kg oC - 2400 J/kg oC, Heat of Fusion 24.9 kcal/kg - 1.04 x 105 J/kg, Heat of vaporization 204 kcal/kg - 8.54 x 105 J/kg
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