Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Chapter 20, Problem 35P
The cycle in Fig. 20-31 represents the operation of a gasoline internal combustion engine. Volume V3 = 4.00V1. Assume the gasoline-air intake mixture is an ideal gas with γ = 1.30. What are the ratios (a) T2/T1,(b) T3/T1, (c) T4/T1, (d) p3/p1, and (e) p4/p1? (f) What is the engine efficiency?
Figure 20-31 Problem 35.
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Two containers each hold 1 mole of an ideal gas at 1 atm. Container A holds a monatomic gas and container B holds a diatomic gas. The volume of each container is halved while the pressure is held constant. (Assume the initial volumes of containers A and B are equal.)
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It's a thermodynamics question.
A cylinder of volume 0.290 m3 contains 12.0 mol of neon gas at 19.2°C. Assume neon behaves as an ideal gas.
(a) What is the pressure of the gas? Pa(b) Find the internal energy of the gas. J(c) Suppose the gas expands at constant pressure to a volume of 1.000 m3. How much work is done on the gas? J(d) What is the temperature of the gas at the new volume? Your response differs from the correct answer by more than 10%. Double check your calculations. K(e) Find the internal energy of the gas when its volume is 1.000 m3. J(f) Compute the change in the internal energy during the expansion. J(g) Compute ΔU − W. J(h) Must thermal energy be transferred to the gas during the constant pressure expansion or be taken away?
This answer has not been graded yet.
(i) Compute Q, the thermal energy transfer. J(j) What symbolic relationship between Q, ΔU, and W is suggested by the values obtained?
Chapter 20 Solutions
Fundamentals of Physics Extended
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