To say that water has a high specific heat capacity is to say that water * absorbs little energy for a small increase in temperature O requires little energy in order to increase in temperature O gives off a lot of energy in cooling and requires little energy to increase in temperature cools at a slower rate as it release more energy to cool

To say that water has a high specific heat capacity is to say that water * absorbs little energy for a small increase in temperature O requires little energy in order to increase in temperature O gives off a lot of energy in cooling and requires little energy to increase in temperature cools at a slower rate as it release more energy to cool

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter12: Thermal Energy

Section: Chapter Questions

Problem 49A

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Ethyl alcohol has about one-half the specific heat of water. Assume equal amounts of energy are transferred by heat into equal-mass liquid samples of alcohol and water in separate insulated containers. The water rises in temperature by 25C. How much will the alcohol rise in temperature? (a) It will rise by 12C. (b) It will rise by 25C. (c) It will rise by 50C. (d) It depends on the rate of energy transfer. (e) It will not rise in temperature.
Ethyl alcohol has about one-half the specific heat of water. Assume equal amounts of energy are transferred by heat into equal-mass liquid samples of alcohol and water in separate insulated containers. The water rises in temperature by 25C. How much will the alcohol rise in temperature? (a) It will rise by 12C. (b) It will rise by 25C. (c) It will rise by 50C. (d) It depends on the rate of energy transfer, (e) It will not rise in temperature.
The Fahrenheit scale remains useful in part due to personal experience with temperature. For example, the average temperature range in a typical midlatitude city such as Gdansk, Poland (formerly Dansk, where Fahrenheit was born), is 25F to 78F over a year. a. Find the temperature range in Gdansk, Poland, in degrees Celsius and in kelvins. b. Many people say that 0F is a very cold day and 100F is an unpleasantly hot day. Convert these temperatures to the Celsius and Kelvin scales. c.When someone has an infection, her body may respond with a fever. A high fever (T 105F) can damage the brain. Convert this temperature to degrees Celsius.
What would happen if the glass of a thermometer expanded more on warming than did the liquid in the tube? (a) The thermometer would break. (b) It could be used only for temperatures below room temperature. (c) You would have to hold it with the bulb on top. (d) The scale on the thermometer is reversed so that higher temperature values would be found closer to the bulb. (e) The numbers would not be evenly spaced.
Incorrect. Heat is not contained in Texas. The high temperature in Texas means that the air has a lot of thermal energy. b. Incorrect. Kinetic energy is converted into thermal energy due to friction between the table and the book. c. Incorrect. Heat and work are both methods of transferring energy. One does not become the other. Decide which of the following statements are incorrect according to the definition of heat used in physics. Explain your answers and provide corrections where possible. a. The heat in Texas will make you tired. b. When you slide a book across a table, kinetic friction converts kinetic energy into heat. c. From a science textbook: The steam engine marked the first time in human history that heat was used to do work.
Broiling is a method of cooking by radiation, which produces somewhat different results from cooking by conduction or convection. A gas flame or electric heating element produces a very high temperature close to the food and above it. is radiation the dominant heat-transfer method in this situation?
A 5.0-kg block of aluminum is heated from 20C to 90C at atmospheric pressure. Find (a) the work done by the aluminum, (b) the amount of energy transferred to it by heat, and (c) the increase in its internal energy.
You need to pick up a very hot cooking pot in your kitchen. You have a pair of cotton oven mitts. To pick up the pot most comfortably, should you soak them in cold water or keep them dry?
Compare the SI units of specific heat and latent heat and explain any differences.
Describe a situation in which heat transfer occurs.