PHYSICAL SCIENCE
11th Edition
ISBN: 9781307077865
Author: Tillery, Bill
Publisher: MCG/CREATE
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Textbook Question
Chapter 4, Problem 38AC
At temperatures above freezing, the evaporation rate can equal the condensation rate only at
a. very high air temperatures.
b. mild temperatures.
c. low temperatures.
d. any temperature.
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Chapter 4 Solutions
PHYSICAL SCIENCE
Ch. 4 - 1. The Fahrenheit thermometer scale is
a. more...Ch. 4 - Prob. 2ACCh. 4 - Prob. 3ACCh. 4 - 4. External energy refers to the
a. energy that...Ch. 4 - Prob. 5ACCh. 4 - The specific heat of copper is 0.093 cal/gC, and...Ch. 4 - 7. The specific heat of water is 1.00 cal/gC°, and...Ch. 4 - Prob. 8ACCh. 4 - Prob. 9ACCh. 4 - Prob. 10AC
Ch. 4 - Prob. 11ACCh. 4 - Prob. 12ACCh. 4 - 13. The energy supplied to a system in the form of...Ch. 4 - Prob. 14ACCh. 4 - Prob. 15ACCh. 4 - Prob. 16ACCh. 4 - Prob. 17ACCh. 4 - Prob. 18ACCh. 4 - Prob. 19ACCh. 4 - Prob. 20ACCh. 4 - 21. The transfer of heat that takes place because...Ch. 4 - 22. Latent heat is “hidden” because it
a. goes...Ch. 4 - Prob. 23ACCh. 4 - 24. A heat engine is designed to
a. move heat from...Ch. 4 - 25. The work that a heat engine is able to...Ch. 4 - Prob. 26ACCh. 4 - Prob. 27ACCh. 4 - Prob. 28ACCh. 4 - 29. The cheese on a hot pizza takes a long time to...Ch. 4 - 30. The specific heat of copper is roughly three...Ch. 4 - Prob. 31ACCh. 4 - 32. Conduction best takes place in a
a. solid.
b....Ch. 4 - 33. Convection best takes place in a (an)
a....Ch. 4 - Prob. 34ACCh. 4 - Prob. 35ACCh. 4 - Prob. 36ACCh. 4 - Prob. 37ACCh. 4 - 38. At temperatures above freezing, the...Ch. 4 - Prob. 39ACCh. 4 - Prob. 40ACCh. 4 - Prob. 41ACCh. 4 - 42. The second law of thermodynamics tells us that...Ch. 4 - 43. The heat death of the universe in the future...Ch. 4 - 1. What is temperature? What is heat?
Ch. 4 - 2. Explain why most materials become less dense as...Ch. 4 - 3. Would the tight packing of more insulation,...Ch. 4 - 4. A true vacuum bottle has a double-walled,...Ch. 4 - 5. Why is cooler air found in low valleys on calm...Ch. 4 - 6. Why is air a good insulator?
Ch. 4 - 7. Explain the meaning of the mechanical...Ch. 4 - 8. What do people really mean when they say that a...Ch. 4 - 9. A piece of metal feels cooler than a piece of...Ch. 4 - 10. Explain how the latent heat of fusion and the...Ch. 4 - 11. What is condensation? Explain, on a molecular...Ch. 4 - 12. Which provides more cooling for a Styrofoam...Ch. 4 - 13. Explain why a glass filled with a cold...Ch. 4 - 14. Explain why a burn from 100°C steam is more...Ch. 4 - Briefly describe, using sketches as needed, how a...Ch. 4 - 16. Which has the greatest entropy: ice, liquid...Ch. 4 - 17. Suppose you use a heat engine to do the work...Ch. 4 - 1. Considering the criteria for determining if...Ch. 4 - Prob. 2FFACh. 4 - 3. Gas and plasma are phases of matter, yet gas...Ch. 4 - Prob. 4FFACh. 4 - 5. This chapter contains information about three...Ch. 4 - Prob. 6FFACh. 4 - 7. Explore the assumptions on which the “heat...Ch. 4 - Prob. 1IICh. 4 - Prob. 1PEBCh. 4 - Prob. 2PEBCh. 4 - Prob. 3PEBCh. 4 - 4. A 1.0 kg metal head of a geology hammer strikes...Ch. 4 - 5. A 60.0 kg person will need to climb a 10.0 m...Ch. 4 - 6. A 50.0 g silver spoon at 20.0°C is placed in a...Ch. 4 - 7. If the silver spoon placed in the coffee in...Ch. 4 - 8. How many minutes would be required for a 300.0...Ch. 4 - Prob. 9PEBCh. 4 - 10. A 1.00 kg block of ice at 0°C is added to a...Ch. 4 - Prob. 11PEBCh. 4 - Prob. 12PEBCh. 4 - Prob. 13PEBCh. 4 - 14. A heat engine converts 100.0 cal from a supply...Ch. 4 - Prob. 15PEB
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- In cold weather, you can sometimes "see" your breath. What you are seeing is a mist of small water droplets, the same as in clouds and fog. Suppose air leaves your mouth with temperature 35°C and humidity 0.035 kg/m3 and mixes with an equal amount of air at 5°C. and humidity 0.005 kg/m3 What is the relative humidity of the mixed air if its temperature and humidity equal the averages of those of the two original air masses? Represent what happens by plotting three points in a graph like Figure 5.34.arrow_forwardThe energy released from condensation in thunderstorms can be very large. Calculate the energy released into the atmosphere for a small storm of radius 1 km, assuming that 1.0 cm of rain is precipitated uniformly over this area.arrow_forwardOn a certain day the temperature is 25.0C and the relative humidity is 90.0%. How many grams of water must condense out of each cubic meter of air if the temperature falls to 15.0C ? Such a drop in temperature can, thus, produce heavy dew or fog.arrow_forward
- As air rises in the atmosphere, its temperature drops, even if no heat flows out of it. (a) Based on what you learned in Sections 4.4 and 5.3, explain why this is so. (b) Cumulus clouds form when rising air is cooled to the point where water droplets form because of condensation. Why are these clouds usually much higher above the ground in dry climates than in wet ones?arrow_forwardExplain why the Moon and Mercury possess only very weak, transient atmospheres consisting of constituents temporarily captured from the solar wind or released by collisions with interplanetary debris.arrow_forwardIn winters, if is often warmer in San Francisco than in nearby Sacramento, 150 km inland. In summers, it is nearly always hotter in Sacramento. Explain how the bodies of water surrounding San Francisco moderate its extreme temperatures.arrow_forward
- . The highest point in North America is the top of Mount McKinley in A1aski. 20,320 ft above sea level. Using Figure 4.30, find the approximate air pressure there.arrow_forwardWhen still air cools by radiating at night, it is unusual for temperatures to fall below the dew point. Explain why.arrow_forward
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