Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 3RCQ
Under what condition does a thermometer measure the temperature of its surroundings? (Why do we say that “a thermometer measures its own temperature”?)
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Check out a sample textbook solutionStudents have asked these similar questions
(1a). Black body has emissivity value of 1, but in reality, the emissivity of real objects is less than 1. Why??
(1b). The tungsten sphere of 220 mm radius is at a temperature of 39°C . If the power radiated by sphere is 103 W, calculate its emissivity value?
(1c).If the same sphere is enclosed in room whose walls are kept at -19°C, what is the net flow rate of energy out of the sphere in Watts (W)
(1a). Black body has emissivity value of 1, but in
reality, the emissivity of real objects is less than 1.
Why?e
(1b). The tungsten sphere of 240 mm radius is at a
temperature of 25°C. If the power radiated by
sphere is 91 W, calculate its emissivity value?
(1c).If the same sphere is enclosed in room whose
walls are kept at -7°C, what is the net flow rate of
energy out of the sphere in Watts (W)
Two rooms in the top floor of a
building are heated by the same
heating system such that an internal
temperature of +22 oC is maintained
during a cold night when the ambient
air temperature is -18 oC. The external
surface temperature of the roof of
room A was measured at +1 oC whilst
that for room B was -1 oC. Which of
the following applies?
(A) Both roofs are equally well
insulated.
(B) Roof of room A is better insulated.
(C) Roof of room B is better insulated.
(D) It is not possible to determine
which is better insulated
Chapter 6 Solutions
Conceptual Physical Science (6th Edition)
Ch. 6 - What are the temperatures for freezing water on...Ch. 6 - Is the temperature of an object a measure of the...Ch. 6 - Under what condition does a thermometer measure...Ch. 6 - By how much does the pressure of a gas in a right...Ch. 6 - What pressure would you expect in a rigid...Ch. 6 - Prob. 6RCQCh. 6 - How much energy can be removed from a system at 0...Ch. 6 - Prob. 8RCQCh. 6 - Does a hot object contain thermal energy, or does...Ch. 6 - How does heat differ from thermal energy?
Ch. 6 - What role does temperature have in the direction...Ch. 6 - Why is heat measured in joules?Ch. 6 - How many joules are needed to change the...Ch. 6 - Cite a way in which the energy value of foods is...Ch. 6 - Distinguish among a calorie, a Calorie, and a...Ch. 6 - Which law of thermodynamics consists of the...Ch. 6 - What becomes of heat that is added to a system but...Ch. 6 - Which law of thermodynamics is related to the...Ch. 6 - Prob. 19RCQCh. 6 - Which law of thermodynamics is related to a system...Ch. 6 - When disorder in a system increases, does entropy...Ch. 6 - Under what condition can the entropy of a system...Ch. 6 - Which warms faster when heat is applied: iron or...Ch. 6 - How does the specific heat capacity of water...Ch. 6 - What is the relationship between waters high...Ch. 6 - Why does a bimetallic strip bend with changes in...Ch. 6 - Which generally expands more for an equal increase...Ch. 6 - When the temperature of ice-cold water is...Ch. 6 - What is the reason for ice being less dense than...Ch. 6 - At what temperature do the combined effects of...Ch. 6 - Use the formula above to show that it takes 3000...Ch. 6 - Use the same formula to show that it takes 12,570...Ch. 6 - Show that 3000 cal = 12,570 J, the same quantity...Ch. 6 - Will Maynez burns a 0.6-g peanut beneath 50 g of...Ch. 6 - Consider a 6.0-g steel nail 8.0 cm long and a...Ch. 6 - If you wish to warm 50 kg of water by 20C for your...Ch. 6 - The specific heat capacity of steel is 450 J/kg C....Ch. 6 - In the lab, you submerge 100 g of 40C nails in 200...Ch. 6 - Consider a 1-m bar that expands 0.6 cm when...Ch. 6 - Suppose that the 1.3-km main span of steel for the...Ch. 6 - Imagine people breathing on the length of a...Ch. 6 - Prob. 44TARCh. 6 - Prob. 45TARCh. 6 - How much the lengths of various substances change...Ch. 6 - The precise volume of 200 grams of water in a...Ch. 6 - A friend says that molecules in a mixture of gases...Ch. 6 - A friend says that molecules in a mixture of gases...Ch. 6 - A friend tells you that the surface temperature of...Ch. 6 - Why would you expect the molecules in a gas to...Ch. 6 - Consider two glasses, one filled with water and...Ch. 6 - Which is greater: an increase in temperature of 1C...Ch. 6 - Which contains the greater amount of thermal...Ch. 6 - On which temperature scale does the average...Ch. 6 - Prob. 56ECh. 6 - What will be the temperature of 0C helium gas if...Ch. 6 - Prob. 58ECh. 6 - Instead of saying a red-hot horseshoe contains...Ch. 6 - What is the general direction of the flow of...Ch. 6 - Prob. 61ECh. 6 - Prob. 62ECh. 6 - Which raises the temperature of water more: the...Ch. 6 - If 100 joules of heat is added to a system that...Ch. 6 - If 100 joules of heat is added to a system that...Ch. 6 - Which law of thermodynamics tells us what is most...Ch. 6 - Prob. 67ECh. 6 - Prob. 68ECh. 6 - Entropy is a measure of how energy become...Ch. 6 - In the previous question, there is a reason why...Ch. 6 - What happens to the pressure within a scaled...Ch. 6 - After a car it driven along a road for some...Ch. 6 - Prob. 73ECh. 6 - What does the high specific heat of water have to...Ch. 6 - Why does jello stay cooler for a longer time than...Ch. 6 - Prob. 76ECh. 6 - Which undergoes a greater change in temperature...Ch. 6 - Prob. 78ECh. 6 - Prob. 79ECh. 6 - On cold winter nights in days past, it was common...Ch. 6 - Why does the presence of large bodies of water...Ch. 6 - If the winds at the latitude of San Francisco and...Ch. 6 - Compared with conventional water heaters in the...Ch. 6 - Prob. 84ECh. 6 - In terms of thermal expansion, why is it important...Ch. 6 - Why arc incandescent bulbs typically made of very...Ch. 6 - For many years, a method for breaking boulders was...Ch. 6 - An old technique for separating a pair of nested...Ch. 6 - A metal ball is barely able to past through a...Ch. 6 - Prob. 90ECh. 6 - State an exception to the claim that all...Ch. 6 - How does the combined volume of the billions of...Ch. 6 - A piece of solid iron sinks in a container of...Ch. 6 - In your room are things such as tables, chairs,...Ch. 6 - Why can't you determine whether you are running a...Ch. 6 - The temperature of the Suns interior is about 107....Ch. 6 - If you drop a hot rock into a pail of water, the...Ch. 6 - Structural groaning and creaking noises ate...Ch. 6 - Why is it important that glass mirrors that have a...Ch. 6 - Steel plates are commonly attached to each other...Ch. 6 - After a machinist quickly slips a hot, snugly...Ch. 6 - Suppose that water is used in a thermometer...Ch. 6 - If cooling occurred at the bottom of a pond...Ch. 6 - The motion of molecules that most affects...Ch. 6 - Prob. 2RATCh. 6 - Absolute zero corresponds to a temperature of (a)...Ch. 6 - Thermal energy is normally measured in units of...Ch. 6 - Prob. 5RATCh. 6 - Your garage gets messier day by day. In this case,...Ch. 6 - Prob. 7RATCh. 6 - A bimetallic strip used in thermostats relies on...Ch. 6 - Water at 4C will expand when it is slightly (a)...Ch. 6 - Microscopic slush in water tends to make the water...
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