2. A vertical Cylinder with a heavy piston contains air at 300 K. The initial pressure is 3.35*10^5 Pa, and the initial volume is 0.300 m^3. Take the molar mass air as 28.9 g/mol and assume Cv = 5R/2, R = 8.314 J/mol K
a) Find the specific heat of air at constant volume in units of J/kg C
b) Calculate the mass of the air in the cylinder
c)Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 691K.
2. A vertical Cylinder with a heavy piston contains air at 300 K. The initial pressure is 3.35*10^5 Pa, and the initial volume is 0.300 m^3. Take the molar mass air as 28.9 g/mol and assume Cv = 5R/2, R = 8.314 J/mol K a) Find the specific heat of air at constant volume in units of J/kg C b) Calculate the mass of the air in the cylinder c)Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 691K.
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 43P
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2. A vertical Cylinder with a heavy piston contains air at 300 K. The initial pressure is 3.35*10^5 Pa, and the initial volume is 0.300 m^3. Take the molar mass air as 28.9 g/mol and assume Cv = 5R/2, R = 8.314 J/mol K
a) Find the specific heat of air at constant volume in units of J/kg C
b) Calculate the mass of the air in the cylinder
c)Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 691K.
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