Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
5th Edition
ISBN: 9780134402659
Author: GIANCOLI, Douglas
Publisher: PEARSON
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5. True or false. In each case, explain your answer quantitativeły. Information that you might find useful:
the escape speed from near Earth's surface is = 10*m/s.
(a) Helium atoms on the surface of the Earth can escape into space.
(b) Helium atoms moving at average speed on the surface of the Earth can escape into space.
(c) On average, a Helium atom on the surface of the Earth moves faster than a nitrogen molecule.
58. Near the surface of Venus, the rms speed of carbon dioxide molecules (CO2) is 650 m/s. What is the temperature (in kelvins) of the atmosphere at that point?
The temperature on a warm summer day is95°F. What is this temperature:a. in degrees Celsius?b. on the absolute (Kelvin) scale?
Chapter 18 Solutions
Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
Ch. 18.1 - Prob. 1AECh. 18.1 - Prob. 1BECh. 18.1 - Prob. 1CECh. 18.1 - Prob. 1DECh. 18.4 - Prob. 1EECh. 18 - Why doesnt the size of different molecules enter...Ch. 18 - When a gas is rapidly compressed (say, by pushing...Ch. 18 - In Section 181 we assumed the gas molecules made...Ch. 18 - Explain in words how Charless law follows from...Ch. 18 - Prob. 5Q
Ch. 18 - As you go higher in the Earths atmosphere, the...Ch. 18 - Prob. 7QCh. 18 - Explain why the peak of the curve for 310 K in...Ch. 18 - Is temperature a macroscopic or microscopic...Ch. 18 - Escape velocity for the Earth refers to the...Ch. 18 - Prob. 11QCh. 18 - If the pressure in a gas is doubled while its...Ch. 18 - What everyday observation would tell you that not...Ch. 18 - Alcohol evaporates more quickly than water at room...Ch. 18 - Explain why a hot humid day is far more...Ch. 18 - Is it possible to boil water at room temperature...Ch. 18 - What exactly does it mean when we say that oxygen...Ch. 18 - A length of thin wire is placed over a block of...Ch. 18 - Consider two days when the air temperature is the...Ch. 18 - (a) Why does food cook faster in a pressure...Ch. 18 - How do a gas and a vapor differ?Ch. 18 - (a) At suitable temperatures and pressures, can...Ch. 18 - Why does dry ice not last long at room...Ch. 18 - Under what conditions can liquid CO2 exist? Be...Ch. 18 - Why does exhaled air appear as a little white...Ch. 18 - Prob. 26QCh. 18 - Prob. 27QCh. 18 - Prob. 1MCQCh. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 7MCQCh. 18 - Prob. 8MCQCh. 18 - Prob. 9MCQCh. 18 - Prob. 10MCQCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - (I) A 1.0-mol sample of hydrogen gas has a...Ch. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10PCh. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - (I) A group of 25 particles have the following...Ch. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 24PCh. 18 - (I) (a) At atmospheric pressure, in what phases...Ch. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - (II) A pressure cooker is a sealed pot designed to...Ch. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 49PCh. 18 - Prob. 53PCh. 18 - A sample of ideal gas must contain at least N =...Ch. 18 - In outer space the density of matter is about one...Ch. 18 - Calculate approximately the total translational...Ch. 18 - (a) Estimate the rms speed of an amino acid, whose...Ch. 18 - The escape speed from the Earth is 1.12 104 m/s,...Ch. 18 - Prob. 63GPCh. 18 - Prob. 66GPCh. 18 - Prob. 69GPCh. 18 - Prob. 71GPCh. 18 - Prob. 72GPCh. 18 - Prob. 73GPCh. 18 - Prob. 74GPCh. 18 - Prob. 75GPCh. 18 - Prob. 76GPCh. 18 - Prob. 77GP
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- . On a winter day, the air temperature is — 15°C, and the humidity is 0,001 kg/m3. (a) What is the relative humidity? (b) When this air is brought inside a building, it is heated to 20°C. If the humidity isn't changed, what is the relative humidity inside the building?arrow_forwardIn the chapter on fluid mechanics, Bernoulli's equation for the flow of incompressible fluids was explained in terms of changes affecting a small volume dV of fluid. Such volumes are a fundamental idea in the study of the flow of compressible fluids such as gases as well. For the equations of hydrodynamics to apply, the mean free path must be much less than the linear size of such a volume, adV1/3 . For air in the stratosphere at a temperature of 220 K and a pressure of 5.8 kPa, how big should a be for it to be 100 times the mean free path? Take the effective radius of air molecules to be 1.881011 m, which is roughly correct for N2.arrow_forwardThe ideal gas law relates the a. only the pressure and volume of a gas. b. only the number of gas molecules and the temperature of the gas. С. pressure and volume of a gas to the number of gas molecules and the temperature of the gas. d. volume of a gas to the number of gas molecules and the temperature of the gas.arrow_forward
- Suppose you are an astronaut in the vacuum of space, hard at work in your sealed spacesuit. The only way that you can transfer heat to the environmentis byA. Conduction. B. Convection. C. Radiation. D. Evaporation.arrow_forwardAverage kinetic energy of gas molecules is a. Directly proportional to absolute temperature b. Independent of absolute temperature Oc. Directly proportional to the 4th power of absolute temperature O d. Inversely proportional to absolute temperaturearrow_forwardThe temperature of the diatomic hydrogen gas sample is increased to 100 degrees Celsius. The root mean square speed vrms for diatomic hydrogen at 100 degrees Celsius is: A. 4000 m/s B. 2800 m/s C. 2000 m/s D. 1400 m/s E. 1000 m/s F. None of the abovearrow_forward
- For a hydrogen gas at 25 degree Celsius, most molecules would be travelling at: A. 2.3 km/sec B. 2.0 km/sec C. 1.8 km/sec D. 1.6 km/secarrow_forwardThe internal energy of an ideal gas depends on A) its pressure. B) its temperature. C) its temperature, pressure, and volume. D) its temperature and pressure. E) its volume.arrow_forwardIf you launch a projectile upward with a high enough speed, its kinetic energy is sufficient to allow it to escape the earth’s gravity— it will go up and not come back down. Given enough time, hydrogen and helium gas atoms in the earth’s atmosphere will escape, so these elements are not present in our atmosphere. Explain why hydrogen and helium atoms have the necessary speed to escape but why other elements, such as oxygen and nitrogen, do not.arrow_forward
- The temperature of a gas is a measure of: O a. the average distance between the gas molecules O b. the average potential energy of the gas molecules c. the average kinetic energy of the gas molecules O d. the size of the molecules of the gasarrow_forwardA. 0.80 m³ D. 7.0 m³ B. 1.25 m³ E. 11 m³ C. 1.9 m³ F. none of the above 1--1 NRDHW A helium-filled balloon has volume 3.5_m³, temperature 21.6°C, and pressure 1 atm while at sea level. If the balloon rises to 27000 ft, where the temperature is 5.1°C and the pressure is about 1/3 of its sea-level value, then find the new volume of the balloon. 7. A. 6.873 m³ D. 14.73 m³ B. 9.912 m³ E. 9.869 m³ C. 15.41 m³ F. 13.31 m³ 1--1 [carpet-6] MXJWA A 4.2 L volume of neon gas (Ne) is at a pressure of 4.1 atm and a temperature of 460 K. The atomic mass of neon is 20.2_g/mol, and the ideal gas constant is R = 8.314.J/mol K. The mass of the neon gas is closest toarrow_forwardP1. Consider a gas of oxygen atoms (H0, = 32 g/mol). What should the temperature of the gas be for the mean square speed of the atoms to be v = 100 m/s? While keeping the temperature the same as before, what should the pressure of the gas be for a container of volume V = 51 to be able to contain m = 1 kg of oxygen? How much does the temperature of the gas increase if the container is dropped on the ground at a speed of u = 2 m/s? You may neglect thermal conduction with the outside.arrow_forward
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