Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Question
Chapter 4, Problem 20AC
To determine
The reason for the insulating property ofStyrofoam from thefollowing options:
a. it is a plastic material that
b. it contains many tiny pockets of air.
c. of the structure of the molecules that make it up.
d. it is not very dense.
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Students have asked these similar questions
The existence of osmosis and the fact that rubber cools when stretched are manifestations of...A. The fact that physics never ceases to amaze.B. Entropy can have macroscopic effects, including the appearance of forces that sometimes behave in counterintuitive ways.C. The third law of thermodynamics, since the absolute zero of temperature can NOT be met.D. Two separate effects, both related to thermodynamics, but notnothing else in common.
Justify each alternative.
5. Why does a metal door knob feel colder to the touch than the wooden door?
A. The door is denser than the knob.
B. The door is heavier than the metal.
C. The knob has a higher specific heat than the door.
D. The knob is a better conductor of heat than the door.
6. Which temperature scale does not have negative values?
A. Kelvin
C. Rankine
D. Fahrenheit
B. Celsius
7. Which does not belong to the group?
A. mixing sand with gravel
B. breaking of glass
C. arranging students alphabetically
D. shuffling a new deck of cards
Match each term to the correct description. You will only use each term once.
4. Insulator
A. A region of space that contains no matter.
5. Conductor
B. Allows convection, but is a very good insulator.
6. Vacuum
C. Any material that easily allows heat to move through it.
7. Solid
D. Allows convection; can be a good conductor of heat.
8. Liquid
E. Material that resists the movement of heat through it.
9. Gas
F. No convection can occur in this.
Match each term to the correct description. You will only use each term once.
A. Heat transfer through electromagnetic waves.
10. Conduction
11. Thermal Equilibrium
B. Thermal (heat) transfer by the contact of two objects.
12. Radiation
C. Transfers heat by moving currents in gases and liquids.
13. Wind
D. When two objects are at the same temperature.
14. Convection
E. The study of how heat moves.
F. Caused by convection currents in the earth's atmosphere.
15. Thermodynamics
Σ
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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