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 13RCQ
How many joules are needed to change the temperature of 1 gram of water by 1°C?
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Students have asked these similar questions
Early in the morning when the temperature is 5°C, gasoline is
pumped into a car's 51 L steel gas tank until it is filled to the top.
Later in the day the temperature rises to 25°C.
Since the volume of gasoline increases more for a given temperature increase
than the volume of the steel tank, gasoline will spill out of the tank.
How much gasoline spills out in this case?
Bsteet
35 x 10-6/K
gasoline = 950 x 10-6/K
A mass of ice at -4°C is needed to cool 115 kg of vegetables in a bunker for 24 hours. The initial temperature of the vegetables is assumed to be 29°C. It is also assumed that, within the 24-hr period, the average temperature inside the bunker is 7°C. If the heat gained per hour in the bunker is 30% of the heat removed to cool the vegetables from 29°C to 7°C, what would be the required mass of ice in kg?
Use:
Specific heat of water 4.2292 kJ/kg-°C
Specific heat of ice 1.9387 kJ/kg °C
Specific heat of vegetables 3.35 kJ/kg-°C
The world's deepest gold mine, which is located in South Africa, is
over 5.1 km deep. Every day,
the mine transfers enough energy by heat to the mine's cooling
systems to melt 348114 kg of
ice at 0.0 degrees Celsius. If the energy output from the mine is
increased by 9.6 percent, to what final
temperature will the 348114 kg of ice-cold water be heated?
Latent Heat of fusion of Ice-3.33 × 105 J/kg
Specific heat capacity of Water = 4186J/(kg. °C)
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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