EBK PHYSICS FOR SCIENTISTS AND ENGINEER
6th Edition
ISBN: 9781319321710
Author: Mosca
Publisher: VST
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Chapter 19, Problem 13P
To determine
The relation between two possible paths.
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An ideal gas, at initial temperature T1 and initial volume 2.0 m3, is expanded adiabatically to a volume of 4.0 m3, then expanded isothermally to a volume of 10 m3, and then compressed adiabatically back to T1.What is its final volume?
An ideal gas undergoes an adiabatic compression, the conditions are given as following
Compression
Pressure
Volume
Temperature
Before
2.0 atm
1.0 x 105 L
273K
After
2.0 x 10 atm
1.0 x 10²L
Tf
Given 1atm = 1.01 × 105Pa and 1L = 1 x 10-3m³
Determine
(a) whether the gas is monatomic or diatomic with justification.
(b) The final temperature, T,
(c) Number of moles of gas present
(d) Total translational kinetic energy per mole after the compression
(e) The ratio of the squares of the rms speeds before and after the
compression.
A cylinder contains 2.00 mol of an ideal monoatomic gas initially at pressure and temperature of
1.00 x 10° Pa and 300 K respectively. The cylinder expands until its volume doubles.
(a) Determine the work done by the gas if the expansion is
adiabatic.
isothermal.
isobaric.
(b) Sketch all the three processes on the same pressure, p vs volume, V diagram.
(c) Which process has the greatest heat transfer and change in internal energy? Prove your
answer.
Chapter 19 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
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- A gas at a pressure of 2.00 atm undergoes a quasi-static isobaric expansion from 3.00 to 5.00 L. How much work is done by the gas? `arrow_forwardFigure P21.45 shows a cyclic process ABCDA for 1.00 mol of an ideal gas. The gas is initially at Pi = 1.50 105 Pa, Vi = 1.00 103 m3 (point A in Fig. P21.45). a. What is the net work done on the gas during the cycle? b. What is the net amount of energy added by heat to this gas during the cycle? FIGURE P21.45arrow_forwardA car salesperson claims that a 300-hp engine is a necessary option in a compact car, in place of the conventional 130-hp engine. Suppose you intend to drive the car within speed limits ( 65 mi/h) on flat terrain. How would you counter this sales pitch?arrow_forward
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