An a car engine operating at 1.85 10-1 rev/min, the expansion of hot, high-pressure gas against a piston occurs in about 10 ms. Because energy transfer by heat typically takes a time on the order of minutes or hours, it's safe to assume that little energy leaves the hot gas during the expansion. Estimate the work done by the gas on the piston during this adiabatic expansion by assuming the engine cylinder contains 0.160 moles of an ideal monatomic gas which goes from 1.200 103 K to 4.00 102 K, typical engine temperatures, during the expansion. J
An a car engine operating at 1.85 10-1 rev/min, the expansion of hot, high-pressure gas against a piston occurs in about 10 ms. Because energy transfer by heat typically takes a time on the order of minutes or hours, it's safe to assume that little energy leaves the hot gas during the expansion. Estimate the work done by the gas on the piston during this adiabatic expansion by assuming the engine cylinder contains 0.160 moles of an ideal monatomic gas which goes from 1.200 103 K to 4.00 102 K, typical engine temperatures, during the expansion. J
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 49P
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An a car engine operating at 1.85 10-1 rev/min, the expansion of hot, high-pressure gas against a piston occurs in about 10 ms. Because energy transfer by heat typically takes a time on the order of minutes or hours, it's safe to assume that little energy leaves the hot gas during the expansion.
Estimate the work done by the gas on the piston during this adiabatic expansion by assuming the engine cylinder contains 0.160 moles of an ideal monatomic gas which goes from 1.200 103 K to 4.00 102 K, typical engine temperatures, during the expansion.
J
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