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 20, Problem 39EAP
Dust particles are
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The number density in a container of neon gas is 4.80×1025 m^−3. The atoms are moving with an rms speed of 680 m/s .
What is the pressure inside the container?
p= 2.46×105 Pa
What is the temperature inside the container?
The number density in a container of neon gas is 4.80×1025 m^−3. The atoms are moving with an rms speed of 680 m/s .
What is the pressure inside the container?
p= 2.46×105 Pa
What is the temperature inside the container? In K
The mean free path for a certain gas is 2.03×10−7 m. and the radius of an atom of said gas is approximately 1.19×10−11 m. What is the density of the gas in moles per cubic meter under these conditions?
Chapter 20 Solutions
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Ch. 20 - Prob. 1CQCh. 20 - Prob. 2CQCh. 20 - Prob. 3CQCh. 20 - Prob. 4CQCh. 20 - Prob. 5CQCh. 20 - Prob. 6CQCh. 20 - Prob. 7CQCh. 20 - Prob. 8CQCh. 20 - Prob. 9CQCh. 20 - Prob. 1EAP
Ch. 20 - Prob. 2EAPCh. 20 - Prob. 3EAPCh. 20 - Prob. 4EAPCh. 20 - Prob. 5EAPCh. 20 - Prob. 6EAPCh. 20 - Prob. 7EAPCh. 20 - Prob. 8EAPCh. 20 - Prob. 9EAPCh. 20 - Prob. 10EAPCh. 20 - Prob. 11EAPCh. 20 - Prob. 12EAPCh. 20 - Prob. 13EAPCh. 20 - Prob. 14EAPCh. 20 - Prob. 15EAPCh. 20 - Prob. 16EAPCh. 20 - Prob. 17EAPCh. 20 - Prob. 18EAPCh. 20 - Prob. 19EAPCh. 20 - Prob. 20EAPCh. 20 - Prob. 21EAPCh. 20 - Prob. 22EAPCh. 20 - Prob. 23EAPCh. 20 - Prob. 24EAPCh. 20 - Prob. 25EAPCh. 20 - A 10 g sample of neon gas has 1700 J of thermal...Ch. 20 - Prob. 27EAPCh. 20 - A 6.0 m × 8.0 m × 3.0 m room contains air at 20°C....Ch. 20 - Prob. 29EAPCh. 20 - Prob. 30EAPCh. 20 - .0 mol of a monatomic gas interacts thermally with...Ch. 20 - Prob. 32EAPCh. 20 - A rigid container holds 0.20 g of hydrogen gas....Ch. 20 - Prob. 34EAPCh. 20 - .0 mol of monatomic gas A interacts with 3.0 mol...Ch. 20 - Two containers hold several balls. Once a second,...Ch. 20 - Prob. 37EAPCh. 20 - From what height must an oxygen molecule fall in a...Ch. 20 - Dust particles are 10m in diameter. They are...Ch. 20 - Prob. 40EAPCh. 20 - Photons of light scatter off molecules, and the...Ch. 20 - Prob. 42EAPCh. 20 - Prob. 43EAPCh. 20 - a. Find an expression for the vrms of gas...Ch. 20 - Equation 20.3 is the mean free path of a particle...Ch. 20 - Uranium has two naturally occurring isotopes. 238U...Ch. 20 - On earth, STP is based on the average atmospheric...Ch. 20 - .0 × l023 nitrogen molecules collide with a 10 cm2...Ch. 20 - Prob. 49EAPCh. 20 - Prob. 50EAPCh. 20 - A 100 cm3 box contains helium at a pressure of 2.0...Ch. 20 - 2.0 g of helium at an initial temperature of 300 K...Ch. 20 - Prob. 53EAPCh. 20 - Scientists studying the behavior of hydrogen at...Ch. 20 - Prob. 55EAPCh. 20 - Prob. 56EAPCh. 20 - In the discussion following Equation 20.43 it was...Ch. 20 - Prob. 58EAPCh. 20 - n moles of a diatomic gas with Cv= 52 has initial...Ch. 20 - The 2010 Nobel Prize in Physics was awarded for...Ch. 20 - Prob. 61EAPCh. 20 - Prob. 62EAPCh. 20 - 63. moles of a monatomic gas and moles of a...Ch. 20 - Prob. 64EAPCh. 20 - 65. An experiment you're designing needs a gas...Ch. 20 - 66. Consider a container like that shown in...
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- Cylinder 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_forwardA gas is at 200 K. If we wish to double the rms speed of the molecules of the gas, to what value must we raise its temperature? (a) 283 K (b) 400 K (c) 566 K (d) 800 K (e) 1 130 Karrow_forward(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_forward
- (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_forwardThe noble gases neon (atomic mass 20.1797 u) and krypton (atomic mass 83.798 u) are accidentally mixed in a vessel that has a temperature of 90.0C. What are the a. average kinetic energies and b. rms speeds of neon and krypton molecules in the vessel?arrow_forwardA cylinder contains a mixture of helium and argon gas in equilibrium at 150C. (a) What is the average kinetic energy for each type of gas molecule? (b) What is the rms speed of each type of molecule?arrow_forward
- How many moles are there in (a) 0.0500 g of N2 gas (M = 28.0 g/mol)? (b) 10.0 g of CO2 gas (M = 44.0 g/mol)? (c) How many molecules are present in each case?arrow_forwardBelow the surface of the sea water where the pressure is P=2.45x10^5 Pa and the temperature i 5C, a diver exhales an air bubble having volume of 1cm^3. If the surface temperature of the sea is 20C. What is the volume of the bubble just before it breaks the surface? Assume air in the bubble to be an ideal gas.arrow_forwardTwo containers hold ideal gases at the same temperature.Container A has twice the volume and half the number of molecules as container B. What is the ratio PA>PB, where PA is the pressure in container A and PB is the pressure in container B?arrow_forward
- Some incandescent light bulbs are filled with argon, because it is an inert gas.An argon atom has a mass of 6.63 ×10−26×10-26 kg. a. What is the rms speed, in meters per second, for argon atoms near the filament, assuming their temperature is 2650 K?arrow_forwardProblem 5: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 450 m/s. What is the temperature of this gas, in kelvins? T = Karrow_forwardWhat is the RMS speed (in m/s) of a gas molecule, with mass 4.3x10-26 kg at a temperature of 98 degrees Fahrenheit?arrow_forward
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