Chemistry Review  

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2.  Describe an endothermic reaction.

3.  Describe an exothermic reaction.

4.  Define a chemical equation.

5.  List and Describe the 3 basic parts  of a chemical reaction?

6.  What are coefficients and how are they used in chemical equations?

7.  What are subscripts and how are they used in chemical equations?

8.  Some of the abbreviations for the names of elements make sense--H for hydrogen, C for carbon, He for helium. But some of them seem completely random. Why?

9.  What are chemical symbols AND How are chemical symbols used to name elements?

10.  What is the Law of Conservation of Mass?

11.  Who established the Law of Conservation of Mass?

12.  How does the Law of Conservation of Mass apply to chemical reactions?

13.  Using the terms solute and solvent; define the term solubility.

14.  What are the 3 main factors that affect solubility?

Answer the following questions by analyzing the solubility graph.

15.  Which of the 3 compounds is least affected (small increase in solubility) by increasing temperature?

16.  Which of the 3 compounds is most affected (large increase in solubility) by increasing temperature?

17.Which of the 3 compounds shows a decrease in solubility by increasing temperature?

18.  Practice balancing equations.

JUST FOR FUN ... a REALLY BIG CHALLENGE!

     Monkey Business   

A really tough exercise on balancing equations - Are you up to the Challenge?????