Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 17, Problem 75GP
Evaporating Atmosphere Hydrogen gas evaporates into space even though its rms speed is less than one-fifth of the gravitational escape speed. This is because the distribution of molecular speeds at equilibrium (see Figure 17-27) shows that some of the molecules do have speeds that exceed the escape speed. To what temperature must the atmosphere be heated for the air around us to have an rms speed that is one-fifth of the gravitational escape speed? Treat the air as having a molecular mass of 0.029 kg/mol.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 17 Solutions
Physics (5th Edition)
Ch. 17.1 - Rank the following ideal-gas systems in order of...Ch. 17.2 - If the Kelvin temperature of a gas is doubled, by...Ch. 17.3 - A metal rod of a given initial length and...Ch. 17.4 - A portion of a substances phase diagram is shown...Ch. 17.5 - Which requires more heat: melting 100 kg of copper...Ch. 17.6 - An ice cube is placed in a cup of water. A few...Ch. 17 - How is the air pressure in a tightly sealed house...Ch. 17 - The average speed of air molecules in your room is...Ch. 17 - Is it possible to change both the pressure and the...Ch. 17 - Prob. 4CQ
Ch. 17 - A camping stove just barely boils water on a...Ch. 17 - An autoclave is a device used to sterilize medical...Ch. 17 - As the temperature of ice is increased, it changes...Ch. 17 - BIO Isopropyl alcohol is sometimes rubbed onto a...Ch. 17 - A drop of water on a kitchen counter evaporates in...Ch. 17 - (a) Is the number of molecules in one mole of N2...Ch. 17 - Predict/Explain If you put a helium-filled balloon...Ch. 17 - Two containers hold ideal gases at the same...Ch. 17 - Prob. 4PCECh. 17 - BIO After emptying her lungs, a person inhales 4.3...Ch. 17 - An automobile tire has a volume of 0.0185 m3. At a...Ch. 17 - Prob. 7PCECh. 17 - A compressed-air tank holds 0.500 m3 of air at a...Ch. 17 - Four ideal gases have the following pressures, P,...Ch. 17 - A balloon contains 3.9 liters of nitrogen gas at a...Ch. 17 - Prob. 11PCECh. 17 - Predict/Calculate A bicycle tire with a volume of...Ch. 17 - A 515-cm3 flask contains 0.460 g of a gas at a...Ch. 17 - Prob. 14PCECh. 17 - The air inside a hot-air balloon has an average...Ch. 17 - Prob. 16PCECh. 17 - Consider the system described in the previous...Ch. 17 - Prob. 18PCECh. 17 - Prob. 19PCECh. 17 - If the translational speed of molecules in an...Ch. 17 - At what temperature is the rms speed of H2 equal...Ch. 17 - Suppose a planet has an atmosphere of pure ammonia...Ch. 17 - Prob. 23PCECh. 17 - Prob. 24PCECh. 17 - Prob. 25PCECh. 17 - What is the temperature of a gas of CO2 molecules...Ch. 17 - The rms speed of a sample of gas is increased by...Ch. 17 - Prob. 28PCECh. 17 - A 380-mL spherical flask contains 0.065 mol of an...Ch. 17 - Prob. 30PCECh. 17 - A rock climber hangs freely from a nylon rope that...Ch. 17 - BIO To stretch a relaxed biceps muscle 2.5 cm...Ch. 17 - A 22-kg chimpanzee hangs from the end of a...Ch. 17 - The Marianas Trench The deepest place in all the...Ch. 17 - Four cylindrical rods with various cross-sectional...Ch. 17 - Predict/Calculate A steel wire 4.1 m long...Ch. 17 - BIO Spiderweb An orb weaver spider with a mass of...Ch. 17 - Predict/Calculate Two rods of equal length (0.55...Ch. 17 - A piano wire 0.82 m long and 0.93 mm in diameter...Ch. 17 - The formation of ice from water is accompanied by...Ch. 17 - Vapor Pressure for Water Figure 17-35 shows a...Ch. 17 - Using the vapor-pressure curve given in Figure...Ch. 17 - Prob. 43PCECh. 17 - Prob. 44PCECh. 17 - Predict/Calculate The Vapor Pressure of CO2 A...Ch. 17 - Phase Diagram for Water The phase diagram for...Ch. 17 - Phase Diagram for CO2 The phase diagram for CO2 is...Ch. 17 - Prob. 48PCECh. 17 - How much heat must be removed from 1.96 kg of...Ch. 17 - A heat transfer of 9.5 105 J is required to...Ch. 17 - How much heat must be added to 2.55 kg of copper...Ch. 17 - An ammonia refrigeration cycle involves the...Ch. 17 - Prob. 53PCECh. 17 - Prob. 54PCECh. 17 - Prob. 55PCECh. 17 - Figure 17-30 shows a temperature-versus-heat plot...Ch. 17 - Predict/Calculate Suppose the 1.000 kg of water in...Ch. 17 - Prob. 58PCECh. 17 - When you go out to your car one cold winter...Ch. 17 - A large punch bowl holds 3.99 kg of lemonade...Ch. 17 - A 155-g aluminum cylinder is removed from a liquid...Ch. 17 - An 825-g iron block is heated to 352 C and placed...Ch. 17 - Party Planning You are expecting to serve 32 cups...Ch. 17 - Predict/Calculate A 35-g ice cube at 0.0 C is...Ch. 17 - A 48-g block of copper at 12 C is added to 110 g...Ch. 17 - A 0 075-kg ice cube at 0.0 C is dropped into a...Ch. 17 - To help keep her barn warm on cold days, a farmer...Ch. 17 - CE As you go up in attitude, do you expect the...Ch. 17 - Prob. 69GPCh. 17 - Prob. 70GPCh. 17 - Prob. 71GPCh. 17 - Cooling Computers Researchers are developing heat...Ch. 17 - Prob. 73GPCh. 17 - Prob. 74GPCh. 17 - Evaporating Atmosphere Hydrogen gas evaporates...Ch. 17 - Prob. 76GPCh. 17 - A Boiling Geyser (a) The column of water that...Ch. 17 - A Melting Glacier (a) A glacier is made of ice of...Ch. 17 - Peter catches a 4 2-kg striped bass on a fishing...Ch. 17 - A steel ball (density=7860kg/m3) with a diameter...Ch. 17 - A lead brick with the dimensions shown in Figure...Ch. 17 - (a) Find the amount of heat that must be extracted...Ch. 17 - Mighty Ice Lift A tremendous force is generated...Ch. 17 - Orthopedic Implants Metals such as titanium and...Ch. 17 - Students on a spring break picnic bring a cooler...Ch. 17 - A 5.9-kg block of ice at 1.5 C slides on a...Ch. 17 - A cylindrical copper rod 37 cm long and 7.5 cm in...Ch. 17 - Prob. 88PPCh. 17 - Prob. 89PPCh. 17 - Prob. 90PPCh. 17 - Prob. 91PPCh. 17 - Referring to Example 17-17 (a) Find the final...Ch. 17 - Referring to Example 17-17 (a) Find the final...
Knowledge Booster
Learn more about
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
- Consider a container of nitrogen gas molecules at 900 K. Calculate (a) the most probable speed, (b) the average speed, and (c) the rms speed for the molecules. (d) State how your results compare with the values displayed in Figure 21.11.arrow_forwardWater expands significantly when it freezes: a volume increase at about 9% occurs. As a result of this expansion and because of the formation and growth of crystals as water freezes anywhere from 10% to 30% of biological cells are burst when animal or plant material is frozen. Discuss the implications of this cell damage for the prospect of preserving human bodies by freezing so that they can he thawed at some future date when it is hoped that all diseases are curable.arrow_forwardThe number density N/V of gas molecules at a certain location in the space above our planet is about 1.001011 m3 , and the pressure is 2.751010 N/m2 in this space. What is the temperature there?arrow_forward
- Suppose a gasfilled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure when the bulb has a temperature of 20.0C. (a) Find the gauge pressure inside such a bulb when it is hot, assuming its average temperature is 60.0C (an approximation) and neglecting any change in volume due to thermal expansion or gas leaks. (b) The actual final pressure for the light bulb will be less than calculated in part (a) because the glass bulb will expand. What will the actual final pressure be, taking this into account? Is this a negligible difference?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_forwardAt a spot in the high Andes, water boils at 80.0C, greatly reducing the cooking speed of potatoes, for example. What is atmospheric pressure at this location?arrow_forward
- Much of The 935 near the Sun is atomic hydrogen. Its temperature would have to be 1.5107K for the average velocity vrms to equal me escape velocity from the Sun. What is that velocity?arrow_forwardA thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed layer of air in between. (a) If the inside surface temperature is 23C and the outside surface temperature is 0.0C, determine the rate of energy transfer through 1.0 m2 of the window. (b) Compare your answer to (a) with the rate of energy transfer through 1.0 m2 of a single 1.0-cm-thick pane of glass. Disregard surface air layers.arrow_forward(a) If tossing 100 coins, how many ways (microstates) are there to get me three most likely macro states of 49 heads and 51 tails, 50 heads and 50 tails, and 51 heads and 49 tails? (b) What percent of the total possibilities is this? (Consult Table 15.4.)arrow_forward
- What is the distinction between gas and vapor?arrow_forwardA theoretical atmospheric lapse rate. Section 16.7 described experimental data on the decrease in temperature with altitude in the Earths atmosphere. Model the troposphere as an ideal gas, everywhere with equivalent molar mass M and ratio of specific heats y. Absorption of sunlight at the Earths surface warms the troposphere from below, so vertical convection currents are continually mixing the air. As a parcel of air rises, its pressure drops and it expands. The parcel does work on its surroundings, so its internal energy decreases and it drops in temperature. Assume that the vertical mixing is so rapid as to be adiabatic. (a) Show that the quantity TP (1 )/ has a uniform value through the layers of the troposphere. (b) By differentiating with respect to altitude y, show that the lapse rate is given by dTdy=TP(11)dPdy (c) A lower layer of air must support the weight of the layers above. From Equation 15.4, observe that mechanical equilibrium of the atmosphere requires that the pressure decrease with altitude according to dP/dy = g. The depth of the troposphere is small compared with the radius of the Earth, so you may assume that the free-fall acceleration is uniform. Proceed to prove that the lapse rate is dTdy=(11)MgR Problem 16.50 in Chapter 16 calls for evaluation of this theoretical lapse rate on the Earth and on Mars and for comparison with experimental results.arrow_forwardWhen a cold alcohol thermometer is placed in a hot liquid, the column of alcohol goes down slightly before going up. Explain why.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
A Level Physics – Ideal Gas Equation; Author: Atomi;https://www.youtube.com/watch?v=k0EFrmah7h0;License: Standard YouTube License, CC-BY