Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Chapter 4, Problem 5PEB
A 60.0 kg person will need to climb a 10.0 m stairway how many times to “work off’ each excess Cal (kcal) consumed?
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A 60.0 kg person will need to climb 10.0 m stairway how many times to "work off" each excess cal (kcal) consumed?
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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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