2nd Edition

ISBN: 9780134601823

Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan

Publisher: Pearson,

Concept explainers

The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.

Molar Specific Heat

Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)

Thermal Properties of Matter

Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which…

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Textbook Question

Chapter 15, Problem 26CQ

A woman has a cup of hot coffee and a small container of room-temperature milk, which she plans to add to the coffee. If the woman must wait 10 minutes before drinking the coffee, and she wants it to be as hot as possible at that time, should she add the milk and wait 10 minutes or wait 10 minutes and add the milk? Explain.

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Chapter 15, Problem 25CQ

Chapter 15, Problem 1P

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Chapter 15 Solutions

College Physics

Ch. 15 - Review Question 15.1 Imagine that a balloon...Ch. 15 - Prob. 2RQ Ch. 15 - Prob. 3RQ Ch. 15 - Review Question 15.4 Describe two situations in...Ch. 15 - Prob. 5RQ Ch. 15 - Review Question 15.6 Why are the units for...Ch. 15 - Prob. 7RQ Ch. 15 - An ideal gas in a container is separated with a...Ch. 15 - 2. A container of gas has a movable piston, which...Ch. 15 - Prob. 3MCQ

Ch. 15 - Prob. 4MCQ Ch. 15 - 5. How much heat is stored in 10 kg of water at...Ch. 15 - We define the specific heat of a material as the...Ch. 15 - Prob. 7MCQ Ch. 15 - Figure Q15.8 shows a P-versus-V graph for two...Ch. 15 - 9. An electric heater is keeping the inside of a...Ch. 15 - Match each heating mechanism (left column) with a...Ch. 15 - 11. Your friend says, "Heat rises." Do you agree...Ch. 15 - Suggest practical ways for determining the...Ch. 15 - Suggest practical ways to measure heats of melting...Ch. 15 - Prob. 14CQ Ch. 15 - 15. Why does an egg take the same time interval to...Ch. 15 - Why does food cook faster in a pressure cooker...Ch. 15 - A potato into which several nails have been pushed...Ch. 15 - Explain why double-paned windows help reduce...Ch. 15 - 19. The water in a paper cup can be boiled by...Ch. 15 - Provide two reasons why blowing across hot soup or...Ch. 15 - 21. Placing a moistened finger in the wind can...Ch. 15 - Why does covering a keg of beer with wet towels on...Ch. 15 - 23. Explain why dogs can cool themselves by...Ch. 15 - 24. Some houses are heated by hot oil or water...Ch. 15 - If on a hot summer day you place one bare foot on...Ch. 15 - 26. A woman has a cup of hot coffee and a small...Ch. 15 - * EST Estimate the thermal energy of the air in...Ch. 15 - A balloon of volume 0.010 m3 is filled with 1.0...Ch. 15 - * Imagine that the helium balloon from the...Ch. 15 - 4. *You accidentally release a helium-filled...Ch. 15 - * Helium in a cylinder with a piston and initially...Ch. 15 - Prob. 7P Ch. 15 - 8. * Jeopardy problem A gas process is described...Ch. 15 - 9. * Jeopardy problem A gas process is described...Ch. 15 - 10. Use the first law of thermodynamics to devise...Ch. 15 - Prob. 11P Ch. 15 - Prob. 12P Ch. 15 - Prob. 13P Ch. 15 - 14 *You are making a table for specific heats of...Ch. 15 - Prob. 15P Ch. 15 - 16. * BIO EST Body temperature change A drop in...Ch. 15 - 17. * BIO Temperature change of a person A 50-kg...Ch. 15 - Determine the amount of thermal energy provided by...Ch. 15 - 19. EST Estimate the time interval required for a...Ch. 15 - Prob. 20P Ch. 15 - * BIO Exercising warms body A 50-kg woman...Ch. 15 - Prob. 22P Ch. 15 - * You add 20C water to 0.20 kg of 40C soup After a...Ch. 15 - BIO Cooling a hot child A 30-kg child has a...Ch. 15 - Prob. 25P Ch. 15 - 26. * You pour 250 g of tea into a Styrofoam cup,...Ch. 15 - Prob. 27P Ch. 15 - Prob. 28P Ch. 15 - 29. Determine the energy needed to change a...Ch. 15 - 30. * When of energy is removed from 0.60 kg of...Ch. 15 - Prob. 31P Ch. 15 - C that must be added to a cup with 250 g of tea at...Ch. 15 - An ice-making machine removes thermal energy from...Ch. 15 - Prob. 34P Ch. 15 - Prob. 35P Ch. 15 - 36. How much energy is required to convert (a)...Ch. 15 - 37. Cooling with alcohol rub During a back rub, 80...Ch. 15 - 38. Energy in a lightning flash A lightning flash...Ch. 15 - 39 A kettle containing 0.75 kg of boiling water...Ch. 15 - Prob. 40P Ch. 15 - * EST Energy changes when it rains Estimate the...Ch. 15 - 42. * Insulating a house You insulate your house...Ch. 15 - C and the outside temperature is -10C?Ch. 15 - Prob. 44P Ch. 15 - 45. While blowing across the bowl of soup in the...Ch. 15 - Prob. 46P Ch. 15 - BIO Marathon You are training for a marathon While...Ch. 15 - Prob. 48P Ch. 15 - 49. * A canteen is covered with wet canvas. If 15...Ch. 15 - * EST Evaporative cooling Each year a layer of...Ch. 15 - Prob. 51P Ch. 15 - BIO Tree leaf A tree leaf of mass of 0.80 g and...Ch. 15 - Warming a spaceship Your friend says that natural...Ch. 15 - Prob. 54P Ch. 15 - Which is less dense: dry or wet air? Explain your...Ch. 15 - * BIO Losing liquid while running While running,...Ch. 15 - Prob. 57P Ch. 15 - 58. ** EST Global climate change Assume that...Ch. 15 - Prob. 59P Ch. 15 - * Standard house 2 On the same day in the same...Ch. 15 - * Standard house 3 Suppose that the following...Ch. 15 - Prob. 62P Ch. 15 - ** BIO EST Metabolism warms bedroom Because of its...Ch. 15 - Prob. 65GP Ch. 15 - * EST House ventilation For purposes of...Ch. 15 - Prob. 67GP Ch. 15 - ** EST Heating an event center with metabolic...Ch. 15 - Prob. 70RPP Ch. 15 - Prob. 71RPP Ch. 15 - Prob. 72RPP Ch. 15 - Prob. 73RPP Ch. 15 - Prob. 74RPP Ch. 15 - Prob. 75RPP Ch. 15 - Prob. 76RPP Ch. 15 - Prob. 77RPP Ch. 15 - Prob. 78RPP Ch. 15 - Prob. 79RPP Ch. 15 - Prob. 80RPP

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