A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105 Pa, and the initial volume is 0.370 m³. Take the molar mass of air as 28.9 g/mol and assume Cy (a) Find the specific heat of air at constant volume in units of 1/kg °C. J/kg °C. (b) Calculate the mass of the air in the cylinder. kg (c) Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 695 K. kJ (d) Assume again the conditions of the initial state and assume the heavy piston is free to move. Find the energy input required to raise the temperature to 695 K. kJ
A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105 Pa, and the initial volume is 0.370 m³. Take the molar mass of air as 28.9 g/mol and assume Cy (a) Find the specific heat of air at constant volume in units of 1/kg °C. J/kg °C. (b) Calculate the mass of the air in the cylinder. kg (c) Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 695 K. kJ (d) Assume again the conditions of the initial state and assume the heavy piston is free to move. Find the energy input required to raise the temperature to 695 K. kJ
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:DETAILS SERPSE10 20.2.P.012.
(b) Calculate the mass of the air in the cylinder.
kg
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A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105 Pa, and the initial volume is 0.370 m³. Take the molar mass of air as 28.9 g/mol and assume Cy
(a) Find the specific heat of air at constant volume in units of 1/kg °C.
J/kg. °C.
(c) Suppose the piston is held fixed. Find the energy input required to raise the temperature of the air to 695 K.
kJ
ASK YOU
(d) Assume again the conditions of the initial state and assume the heavy piston is free to move. Find the energy input required to raise the temperature to 695 K.
kJ
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