Physics for Science and Engineering With Modern Physics, VI - Student Study Guide
4th Edition
ISBN: 9780132273244
Author: Doug Giancoli
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 26Q
Why does exhaled air appear as a little white cloud in the winter (Fig. 18–16)?
FIGURE 18–16
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47. (a) Estimate the total power radiated into space by the
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Chapter 18 Solutions
Physics for Science and Engineering With Modern Physics, VI - Student Study Guide
Ch. 18.1 - In a mixture of the gases oxygen and helium, which...Ch. 18.1 - Now you can return to the Chapter-Opening...Ch. 18.1 - If you double the volume of a gas while keeping...Ch. 18.1 - By what factor must the absolute temperature...Ch. 18.4 - As the air warms up in the afternoon, how would...Ch. 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 - Is temperature a macroscopic or microscopic...Ch. 18 - Explain why the peak of the curve for 310 K in...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 - Prob. 14QCh. 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. 27QCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - (I) By what factor will the rms speed of gas...Ch. 18 - (I) A gas is at 20C. To what temperature must it...Ch. 18 - (I) What speed would a 1.0-g paper clip have if it...Ch. 18 - (I) A 1.0-mol sample of hydrogen gas has a...Ch. 18 - (I) Twelve molecules have the following speeds,...Ch. 18 - (II) The rms speed of molecules in a gas at 20.0C...Ch. 18 - (II) If the pressure in a gas is tripled while its...Ch. 18 - Prob. 10PCh. 18 - (II) Show that for a mixture of two gases at the...Ch. 18 - (II) What is the rms speed of nitrogen molecules...Ch. 18 - (II) (a) For an ideal gas at temperature T show...Ch. 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 - (I) CO2 exists in what phase when the pressure is...Ch. 18 - (I) (a) At atmospheric pressure, in what phases...Ch. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - (II) If the air pressure at a particular place in...Ch. 18 - (II) What is the mass of water in a closed room...Ch. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - (II) A pressure cooker is a sealed pot designed to...Ch. 18 - (II) When using a mercury barometer (Section 136),...Ch. 18 - (II) If the humidity is 45% at 30.0C, what is the...Ch. 18 - Prob. 38PCh. 18 - Prob. 40PCh. 18 - (II) For oxygen gas, the van der Waals equation of...Ch. 18 - Prob. 44PCh. 18 - (II) At about what pressure would the mean free...Ch. 18 - Prob. 46PCh. 18 - (II) A very small amount of hydrogen gas is...Ch. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 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. 61GPCh. 18 - Prob. 62GPCh. 18 - Consider a container of oxygen gas at a...Ch. 18 - In humid climates, people constantly dehumidify...Ch. 18 - Prob. 65GPCh. 18 - Prob. 66GPCh. 18 - Prob. 67GPCh. 18 - At room temperature, it takes approximately 2.45 ...Ch. 18 - Calculate the total water vapor pressure in the...Ch. 18 - Prob. 70GPCh. 18 - The density of atoms, mostly hydrogen, in...Ch. 18 - Prob. 72GPCh. 18 - A sauna has 8.5 m3 of air volume, and the...Ch. 18 - Prob. 74GPCh. 18 - Prob. 75GP
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- 64. (II) A pressure cooker is a sealed pot designed to cook food with the steam produced by boiling water somewhat above 100°C. The pressure cooker in Fig. 13-32 uses a weight of mass m to allow steam to escape at a certain pressure through a small hole (diameter d) in the cooker's lid. If d = 3.0 mm, what should m be in order to cook food at 120°C? Assume that Weight (mass m) m atmospheric pressure outside the cooker is 1.01 X 105 Pa. Diameter d FIGURE 13-32 Problem 64. Steam Water Waterarrow_forward59. In a typical squash game (Fig. 14–21), two people hit a soft rubber ball at a wall. Assume that the ball hits the wall at a velocity of 22 m/s and bounces back at a velocity of 12 m/s, and that the kinetic energy lost in the process heats the ball. What will be the temperature increase of the ball after one bounce? (The specific heat of rubber is about 1200 J/kg•C°.) FIGURE 14-21 Problem 59.arrow_forward(II) The 1.20-kg head of a hammer has a speed of 7.5 m/s just before it strikes a nail (Fig. 14–17) and is brought to rest. Estimate the temperature rise of a 14-g iron nail generated by eight such hammer blows done in quick succession. Assume the nail absorbs all the energy. FIGURE 14–17 Problem 19.arrow_forward
- A sauna has 8.5 m3 of air volume, and the temperature is85°C. The air is perfectly dry. How much water (in kg)should be evaporated if we want to increase the relativehumidity from 0% to 10%? (See Table 13–3.)arrow_forward(II) If the humidity in a sealed room of volume 420m3 at20°C is 65%, what mass of water can still evaporate froman open pan?arrow_forward(II) A 0.40-kg iron horseshoe, just forged and very hot (Fig. 14–16), is dropped into 1.25 L of water in a 0.30-kg iron pot initially at 20.0°C. If the final equilibrium temper- ature is 25.0°C, estimate the initial temperature of the hot horseshoe. FIGURE 14–16 Problem 16.arrow_forward
- 20-1 A 21-L tank of carbon dioxide (CO2) is at a pressure of 8 atm and temperature of 19◦C.Calculate the number of moles of gas in the tank.Obtain the number of grams of carbon dioxide in the tank. Hint: You can obtain the molar mass ofCO2 by adding the molar mass of C and twice the molar mass of O. The molar mass of anelement is given on the periodic table in units of grams/mole.A fire breaks out, raising the ambient temperature to 69.1◦C while 82.3 g of gas leak out of thetank. Calculate the final pressure in the tank as a result of the fire and leakage.Hint: Use R =0.0821 liter-atm/mole-K for the gas constant in the ideal gas law. This allows you touse liters for volume and atmospheres for pressurearrow_forward(II) A pressure cooker is a sealed pot designed to cook food with the steam produced by boiling water somewhat above 100°C. The pressure cooker in Fig. 13–32 uses a weight of mass m to allow steam to escape at a certain pressure through a small hole (diameter d) in the cooker's lid. If d = 3.0 mm, what should m be in order to cook food at Weight (mass m) 120°C? Assume that m atmospheric pressure outside the cooker is 1.01 × 10° Pa. -Diameter d Steam Water Water FIGURE 13-32 Problem 64.arrow_forward(28) (a) How many molecules are there in 1L of air at a temperature of 27°C? (b) How many kilomoles of air are in that volume? (c) The best vacuum that can be produced corresponds to a pressure of about 10-16 atm. How many molecules remain in 1 L? (20) 11:arrow_forward
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