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: 11


a) The law of conservation of matter states that the total mount of matter does not change before or after a reaction. This can be illustrated by the idea of building a house. If you originally have 1000 bricks and use them all to build the house, the total mass of bricks does not change from the pile of bricks to the final house. b) The law of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another, for example from potential energy to kinetic energy. For example, we cannot turn on a lightbulb without plugging it in and providing energy. c) The law of conservation of matter and energy states that the total energy and matter in the universe is fixed and cannot be changed. This ties into the laws of conservation of matter and energy.

Work Step by Step

This is determined from the definitions of the law of conservation of matter and conservation of energy. The definitions are listed as part of the answer.
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