1. In chemistry, especially in balancing, what does "-->" mean?  2. Why is it necessary to balance a chemical equation?  3. Does the total number of molecules on each side of the equation have to be balanced? Why or why not? 4. What does it mean to "simplify" the equation?  5. Define the Law of Conservation of Mass.

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter7: Reactions In Aqueous Solutions
Section: Chapter Questions
Problem 15CR: List and define all the ways of classifying chemical reactions that have been discussed in the text....
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1. In chemistry, especially in balancing, what does "-->" mean? 

2. Why is it necessary to balance a chemical equation? 

3. Does the total number of molecules on each side of the equation have to be balanced? Why or why not?

4. What does it mean to "simplify" the equation? 

5. Define the Law of Conservation of Mass.

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