Physics for Scientists and Engineers
Physics for Scientists and Engineers
10th Edition
ISBN: 9781337553278
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 18, Problem 29P

The pressure gauge on a cylinder of gas registers the gauge pressure, which is the difference between the interior pressure and the exterior pressure P0. Let’s call the gauge pressure Pg. When the cylinder is full, the mass of the gas in it is mi at a gauge pressure of Pgi. Assuming the temperature of the cylinder remains constant, show that the mass of the gas remaining in the cylinder when the pressure reading is Pgf is given by

m f = m i ( P g f + P 0 P g i + P 0 )

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Consider the two-sided chamber shown, where the right half has a volume of V = 490 L and the left half has a volume of 2V. The chamber has a seal that separates the right from the left half. The chamber is sealed and an ideal gas is pumped into the right side at a pressure P = 3.2 atm and temperature T = 72° C. The seal between the two sides is then opened. If the physical temperature decreases by a factor of 2 while the gas fills the chamber, what is the new pressure, in kilopascals?
Consider the two-sided chamber shown,where the right half has a volume of V = 490 L and the left half has a volume of 2V. The chamber has a seal which separates the right from the left half. The chamber is sealed and an ideal gas is pumped into the right side at a pressure P = 3.2 atm and temperature T = 72° C. The seal between the two sides is then opened. (A) If the physical temperature decreases by a factor of 2 while the gas fills the chamber, what is the new pressure, in kilopascals?  (B)The chamber is then sealed again, trapping 2/3 of the gas molecules in the left side. The temperature of the left side is then doubled, back to the original temperature T. What is the pressure in the left side of the chamber now, in kilopascals?

Chapter 18 Solutions

Physics for Scientists and Engineers

Ch. 18 - Death Valley holds the record for the highest...Ch. 18 - Prob. 6PCh. 18 - A copper telephone wire has essentially no sag...Ch. 18 - A pair of eyeglass frames is made of epoxy...Ch. 18 - The Trans-Alaska pipeline is 1 300 km long,...Ch. 18 - A square hole 8.00 cm along each side is cut in a...Ch. 18 - You are watching a new bridge being built near...Ch. 18 - You are watching a new bridge being built near...Ch. 18 - At 20.0C, an aluminum ring has an inner diameter...Ch. 18 - Why is the following situation impossible? A thin...Ch. 18 - A volumetric flask made of Pyrex is calibrated at...Ch. 18 - Review. On a day that the temperature is 20.0C, a...Ch. 18 - Review. The Golden Gate Bridge in San Francisco...Ch. 18 - Your father and your younger brother are...Ch. 18 - An auditorium has dimensions 10.0 m 20.0 m 30.0...Ch. 18 - A container in the shape of a cube 10.0 cm on each...Ch. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - In state-of-the-art vacuum systems, pressures as...Ch. 18 - You have scored a great internship with NASA,...Ch. 18 - Review. The mass of a hot-air balloon and its...Ch. 18 - A room of volume V contains air having equivalent...Ch. 18 - Prob. 27PCh. 18 - You are applying for a position with a sea rescue...Ch. 18 - The pressure gauge on a cylinder of gas registers...Ch. 18 - A steel beam being used in the construction of a...Ch. 18 - Two metal bars are made of invar and a third bar...Ch. 18 - Why is the following situation impossible? An...Ch. 18 - A student measures the length of a brass rod with...Ch. 18 - The density of gasoline is 730 kg/m3 at 0C. Its...Ch. 18 - A liquid has a density . (a) Show that the...Ch. 18 - Prob. 36APCh. 18 - The rectangular plate shown in Figure P18.37 has...Ch. 18 - A bimetallic strip of length L is made of two...Ch. 18 - Prob. 39APCh. 18 - A vertical cylinder of cross-sectional area A is...Ch. 18 - Review. Consider an object with any one of the...Ch. 18 - Prob. 42APCh. 18 - Starting with Equation 18.11, show that the total...Ch. 18 - Review. A house roof is a perfectly flat plane...Ch. 18 - A 1.00-km steel railroad rail is fastened securely...Ch. 18 - Prob. 46CP
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