Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 19, Problem 54P
We know that for an adiabatic process pVγ = a constant. Evaluate “a constant” for an adiabatic process involving exactly 2.0 mol of an ideal gas passing through the state having exactly p = 1.0 atm and T = 300 K. Assume a diatomic gas whose molecules rotate but do not oscillate.
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We know that for an adiabatic process pVg a constant. Evaluate “a constant” for an adiabatic process involving exactly 2.0 mol of an ideal gas passing through the state having exactly p = 1.0 atm and T = 300 K. Assume a diatomic gas whose molecules rotate but do not oscillate.
A) One mole of an ideal gas at 27 °C and 10 atm pressure is expanded adiabatically to a final
pressure of 1 atm against a constant opposing pressure of 1 atm. Calculate the final
temperature, q w, AE, and AH. For this diatomic gas Cy= R.
2
B) Repeat the problem above assuming that the expansion is reversible.
In the figure, 2.47 mole of an ideal diatomic gas can go from a to c along either the direct (diagonal) path ac or the indirect path abc.
The scale of the vertical axis is set by pab = 6.61 kPa and pc = 2.55 kPa, and the scale of the horizontal axis is set by Vpc = 4.92 m3 and
Va = 2.69 m³. (The molecules rotate but do not oscillate.) During the transition along path ac, (a) what is the change in internal energy
of the gas, and (b) how much energy is added to the gas as heat? (c) How much heat is required if the gas goes from a to c along the
indirect path abc?
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Volume (m³)
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Chapter 19 Solutions
Fundamentals of Physics Extended
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