Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 6, Problem 5RCQ
What is meant by the following statement? “A thermometer measures its own temperature.”
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The average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 x 104 kW/m - °C, and their average thickness is 20.8 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic
meter of gas burned) of 9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 27.3°C if the outside temperature is 0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground.
m3
37.0
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10.0 m
The average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 x 104 kW/m - °C, and their
average thickness is 21.4 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic meter of gas burned) of
9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 24.0°C if the outside temperature is
0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground.
34.68
Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all
intermediate results to at least four-digit accuracy to minimize roundoff error. m3
137.00
5.00 m
00
8.00 m
10.0 m
A wire lengthens 4% due to thermal expansion when heated from T. to T. If the wire were bent into the shape of a
square, what percent increase in length would you expect along one edge of the square? If the wire were bent into the
shape of a circle, what percent increase in diameter would you expect? Explain, using sentences and diagrams.
Chapter 6 Solutions
Conceptual Integrated Science
Ch. 6 - Prob. 1RCQCh. 6 - Why does a penny become warmer when it is struck...Ch. 6 - What are the temperatures for freezing water on...Ch. 6 - Is the temperature of an object a measure of the...Ch. 6 - What is meant by the following statement? A...Ch. 6 - What pressure would you expect in a rigid...Ch. 6 - How much energy can be removed from a system at a...Ch. 6 - When you touch a cold surface, does cold travel...Ch. 6 - a Distinguish between temperature and heat. b...Ch. 6 - What determines the direction of heat flow?
Ch. 6 - Distinguish between a calorie and a Calorie, and...Ch. 6 - How does the law of conservation of energy relate...Ch. 6 - Prob. 13RCQCh. 6 - How does the second law of thermodynamics relate...Ch. 6 - Which warms up faster when heat is appliediron or...Ch. 6 - Does a substance that heats up quickly have a high...Ch. 6 - How does that specific heat capacity of water...Ch. 6 - Which generally expands more for an equal increase...Ch. 6 - Prob. 19RCQCh. 6 - Why does ice form at the surface of a pond instead...Ch. 6 - What is the role of loose electrons in heat...Ch. 6 - Distinguish between a heat conductor and a heat...Ch. 6 - Why is a barefoot fire walker able to walk safely...Ch. 6 - Why are such materials as wood, fur, and feathers ...Ch. 6 - Describe how convection transfers heat.Ch. 6 - What happens to the temperature of air when it...Ch. 6 - Why does the direction of coastal winds change...Ch. 6 - a What exactly is radiant energy? b What is heat...Ch. 6 - How does the frequency of radiant energy relate to...Ch. 6 - Prob. 30RCQCh. 6 - What does it mean to say that energy becomes less...Ch. 6 - What is the physicists term for the measure of...Ch. 6 - Consider the decomposition of water (H2O) to form...Ch. 6 - A deer is a more concentrated form of energy than...Ch. 6 - Northeastern Canada and much of Europe receive...Ch. 6 - Iceland, so named to discourage conquest by...Ch. 6 - Why does the presence of large bodies of water...Ch. 6 - Show that 5000cal is required to increase the...Ch. 6 - Calculate the quantity of heat absorbed by 20g of...Ch. 6 - Show that a 100-m-long piece of copper wire will...Ch. 6 - A steel section of the Alaska pipeline was...Ch. 6 - Prob. 47TCCh. 6 - The precise volume of water in a beaker depends on...Ch. 6 - From best to worst, rank these materials as heat...Ch. 6 - From greatest to least, rank the frequencies of...Ch. 6 - Show that the final temperature of a mixture of...Ch. 6 - Prob. 52TSCh. 6 - When 2kg of 40C iron nails are submerged in 2kg of...Ch. 6 - Show that the heats require to raise the...Ch. 6 - Suppose the 1300-meter steel span of the Golden...Ch. 6 - The steel Sutro Tower in San Francisco is...Ch. 6 - A steel section of the Alaska pipeline was...Ch. 6 - Imagine people breathing on the length of a...Ch. 6 - Show that when the thermal energy of a volume of...Ch. 6 - Pounding a nail into wood makes the nail warmer....Ch. 6 - Prob. 61TECh. 6 - Which is greater an increase in temperature of 1C...Ch. 6 - A friend says that molecules in a...Ch. 6 - What is the lowest temperature in nature in...Ch. 6 - Will a volume of gas shrink or will it expand when...Ch. 6 - If a gas at 0C is cooled to 100C, by how much...Ch. 6 - What is the name given to "thermal energy in...Ch. 6 - Instead of saying that a red-hot nail, it is...Ch. 6 - What is the general direction of the flow of...Ch. 6 - Which has the greatest amount of thermal energy:...Ch. 6 - If 100joules of heat are added to a system that...Ch. 6 - If 100joules of heat are added to a system that...Ch. 6 - Which law of thermodynamics relates to a the most...Ch. 6 - Prob. 74TECh. 6 - For the same mass, which has the greater specific...Ch. 6 - Which undergoes a greater change in temperature...Ch. 6 - Why will watermelon stay cool for a longer time...Ch. 6 - Prob. 78TECh. 6 - While camping in a tent on a cold night, which...Ch. 6 - Why do the Hawaiian Islands and San Francisco not...Ch. 6 - An old method for breaking boulders was to put...Ch. 6 - A metal ball is just able to pass through a metal...Ch. 6 - After a machinist very quickly slips a hot, snugly...Ch. 6 - Why is it important to protect water pipes so that...Ch. 6 - Prob. 85TECh. 6 - Cite an exception to the claim that all substances...Ch. 6 - If there are any parcels of 4C water in a pond, in...Ch. 6 - If you hold one end of a nail against a piece of...Ch. 6 - Which will cool your finger faster, touching a...Ch. 6 - Later we'll learn that electrical conductors such...Ch. 6 - How does the buoyancy typical in fluids relate to...Ch. 6 - When air is rapidly compressed, why does its...Ch. 6 - Why is your hand cooled when you blow air through...Ch. 6 - Why is Millies hand not burned when she holds it...Ch. 6 - The formula fT tells us that any object with any...Ch. 6 - If everything absorbs radiation, then why doesnt...Ch. 6 - Prob. 97TECh. 6 - Why do the pupils of eyes appear black? When do...Ch. 6 - Wrap part of a fur coat around a thermometer....Ch. 6 - In your room, there are tables, chairs, other...Ch. 6 - Discuss why you cant establish whether you are...Ch. 6 - If you drop a hot rock into a pail of water, the...Ch. 6 - Visit a snow-covered cemetery and note that the...Ch. 6 - Friends in your discussion group say that when you...Ch. 6 - Prob. 105TDICh. 6 - Prob. 106TDICh. 6 - When scientists discuss kinetic energy per...Ch. 6 - Prob. 2RATCh. 6 - Your garage gets messier every day. In this case,...Ch. 6 - A substance that heats up relatively quickly has a...Ch. 6 - A bimetallic strip used in thermostats relies on...Ch. 6 - Water at 4C will expand when it is a slightly...Ch. 6 - A fire walker walking barefoot across red-hot...Ch. 6 - Thermal convection is linked mostly to a radiant...Ch. 6 - Which of these electromagnetic waves has the...Ch. 6 - Compared with terrestrial radiation, the radiation...
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