Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
4th Edition
ISBN: 9780134110684
Author: Randall D. Knight (Professor Emeritus)
Publisher: PEARSON
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Chapter 18, Problem 54EAP
The air temperature and pressure in a laboratory are 20°C and 1.0 atm. A 1.0 L container is open to the air. The container is then sealed and placed in a bath of boiling water. After reaching thermal equilibrium, the container is opened. How many moles of air escape?
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You do an experiment in which you transfer energy to 1.2 moles of a gas and measure it’s change in temperature. You make a graph of the data as shown. The y-axis is the amount of energy added and the x-axis is the temperature.
A) how many moles per molecule does this substance have?
B) is the substance most likely a monatomic gas, diatomic or another type of gas?
One mole of oxygen gas is at a pressure of 5.60 atm and a temperature of 28.0°C.
(a) If the gas is heated at constant volume until the pressure triples, what is the final temperature? (b) If the gas is heated so that both the pressure and volume are doubled, what is the final temperature? °C
A porous balloon has a volume of 2.00 m³ and contains air at a temperature
of 10.0°C and a pressure of 1.11×105 Pa. When heated to 150°C the
volume expands to 2.30 m³ and 5.00 % of the gas is observed to escape.
Based on this information and assuming that the gas behaves as an ideal
gas:
A. How much gas was in the balloon at 10°C? Express the result in moles
and kilograms.
B. What is the pressure in the balloon at 150°C?
Note: The molecular mass of air take it as 29.0 g/mol.
Chapter 18 Solutions
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Ch. 18 - Prob. 1CQCh. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Prob. 4CQCh. 18 - Prob. 5CQCh. 18 - Prob. 6CQCh. 18 - Prob. 7CQCh. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - A gas undergoes the process shown in FIGURE...
Ch. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 1EAPCh. 18 - Prob. 2EAPCh. 18 - What is the diameter of a copper sphere that has...Ch. 18 - Prob. 4EAPCh. 18 - Prob. 5EAPCh. 18 - How many atoms are in a 2.0 cm × 2.0 cm × 2.0 cm...Ch. 18 - Prob. 7EAPCh. 18 - An element in its solid phase has mass density...Ch. 18 - .0 mol of gold is shaped into a sphere. What is...Ch. 18 - What volume of aluminum has the same number of...Ch. 18 - Prob. 11EAPCh. 18 - Prob. 12EAPCh. 18 - Prob. 13EAPCh. 18 - A concrete bridge is built of 325-cm-long concrete...Ch. 18 - A surveyor has a steel measuring tape that is...Ch. 18 - Two students each build a piece of scientific...Ch. 18 - Prob. 17EAPCh. 18 -
18. What is the temperature in °F and the...Ch. 18 - Prob. 19EAPCh. 18 - .0 mol of gas at a temperature of -120°C fills a...Ch. 18 - Prob. 21EAPCh. 18 - Prob. 22EAPCh. 18 - Prob. 23EAPCh. 18 - Prob. 24EAPCh. 18 - Prob. 25EAPCh. 18 - Prob. 26EAPCh. 18 - Prob. 27EAPCh. 18 - Prob. 28EAPCh. 18 - A rigid, hollow sphere is submerged in boiling...Ch. 18 -
30. A rigid container holds hydrogen gas at a...Ch. 18 - Prob. 31EAPCh. 18 - Prob. 32EAPCh. 18 - Prob. 33EAPCh. 18 - Prob. 34EAPCh. 18 - Prob. 35EAPCh. 18 - Prob. 36EAPCh. 18 - Prob. 37EAPCh. 18 - .0050 mol of gas undergoes the process 1 2 3...Ch. 18 - Prob. 39EAPCh. 18 - Prob. 40EAPCh. 18 - Prob. 41EAPCh. 18 - Prob. 42EAPCh. 18 - Prob. 43EAPCh. 18 - A 15°C, 2.0-cm-diameter aluminum bar just barely...Ch. 18 - Prob. 45EAPCh. 18 - Prob. 46EAPCh. 18 - Prob. 47EAPCh. 18 - Prob. 48EAPCh. 18 - Prob. 49EAPCh. 18 - The 3.0-m-long pipe in FIGURE P18.50 is closed at...Ch. 18 - Prob. 51EAPCh. 18 - An electric generating plant boils water to...Ch. 18 - Prob. 53EAPCh. 18 - The air temperature and pressure in a laboratory...Ch. 18 - Prob. 55EAPCh. 18 - The mercury manometer shown in FIGURE P18.56 is...Ch. 18 - Prob. 57EAPCh. 18 - The 50 kg circular piston shown in FIGURE P18.58...Ch. 18 - Prob. 59EAPCh. 18 - .0 g of helium gas follows the process 1? 2 ?3...Ch. 18 - Prob. 61EAPCh. 18 - 62. FIGURE P18.62 shows two different processes...Ch. 18 - Prob. 63EAPCh. 18 - Prob. 64EAPCh. 18 - Prob. 65EAPCh. 18 - Prob. 66EAPCh. 18 - Prob. 67EAPCh. 18 - Prob. 68EAPCh. 18 - Prob. 69EAPCh. 18 - Prob. 70EAPCh. 18 - Prob. 71EAPCh. 18 - The cylinder in FIGURE CP18.72 has a moveable...Ch. 18 - Containers A and B in FIGURE CP18.73 hold the same...Ch. 18 - Prob. 74EAP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) An ideal gas occupies a volume of 1.0 cm3 at 20.C and atmospheric pressure. Determine the number of molecules of gas in the container, (b) If the pressure of the 1.0-cm3 volume is reduced to 1.0 1011 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container?arrow_forwardA sealed cubical container 20.0 cm on a side contains a gas with three times Avogadros number of neon atoms at a temperature of 20.0C. (a) Find the internal energy of the gas. (b) Find the total translational kinetic energy of the gas. (c) Calculate the average kinetic energy per atom, (d) Use Equation 10.13 to calculate the gas pressure. (e) Calculate the gas pressure using the ideal gas law (Eq. 10.8).arrow_forwardCylinder A contains oxygen (O2) gas, and cylinder B contains nitrogen (N2) gas. If the molecules in the two cylinders have the same rms speeds, which of the following statements is false? (a) The two gases haw different temperatures. (b) The temperature of cylinder B is less than the temperature of cylinder A. (c) The temperature of cylinder B is greater than the temperature of cylinder A. (d) The average kinetic energy of the nitrogen molecules is less than the average kinetic energy of the oxygen molecules.arrow_forward
- An ideal gas is trapped inside a tube of uniform cross-sectional area sealed at one end as shown in Figure P19.49. A column of mercury separates the gas from the outside. The tube can be turned in a vertical plane. In Figure P19.49A, the column of air in the tube has length L1, whereas in Figure P19.49B, the column of air has length L2. Find an expression (in terms of the parameters given) for the length L3 of the column of air in Figure P19.49C, when the tube is inclined at an angle with respect to the vertical. FIGURE P19.49arrow_forwardOn a hot summer day, the density of air at atmospheric pressure at 35.0C is 1.1455 kg/m3. a. What is the number of moles contained in 1.00 m3 of an ideal gas at this temperature and pressure? b. Avogadros number of air molecules has a mass of 2.85 102 kg. What is the mass of 1.00 m3 of air? c. Does the value calculated in part (b) agree with the stated density of air at this temperature?arrow_forwardA gas is in a container of volume V0 at pressure P0. It is being pumped out of the container by a piston pump. Each stroke of the piston removes a volume Vs through valve A and then pushes the air out through valve B as shown in Figure P19.74. Derive an expression that relates the pressure Pn of the remaining gas to the number of strokes n that have been applied to the container. FIGURE P19.74arrow_forward
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