Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 1 - The Foundations of Chemistry - Exercises - Matter and Energy - Page 36: 4


a. Weight is a measure of the gravitational attraction of earth for the body which varies with distance from the earths center. Example of weight is when a person weighs 55 kg. b-Potential energy is the energy that a certain matter or object possess by virtue of its composition, condition or position. An example of this is a car that is parked at the top of a hill where the energy might come where the car falls down the hill. c. Temperature is a measurement of heat intensity. Example of this the hotness of a lava or coldness of a chiller. d Endothermic reaction is a process that describes that heat energy is absorb. Example of this is an ice that melts, where the ice absorbs heat hence the ice melts (a process changes from solid to liquid). e. Extensive property is where it depends on the amount of material in a specific sample. Example of this is volume where an object is a measure of the space that is occupied by that object.

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