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Chemical Reactions & Balancing the Equations Study Guide
1. Define the following: (3)
a. reactant
b. product
c. coefficient
d. chemical reaction
e. diatomic molecules
f. aqueous solution
2. What are the four indications that a chemical reaction has occurred? (1)
3. What determines whether a chemical reaction will occur or not? (1)
4. What are the 7 diatomic elements? (1)
5. What are the two methods of remembering the diatomic elements? (1)
6. What law says that the mass before a reaction must be the same as the mass
after the reaction? (1)
7. When balancing, what can be added to an equation? What can not be added or
changed? (1)
8. What are the 4 states of matter included in chemical equations? (1)
9. Give the 5 types of chemical reactions and their general equations. (1)
10. What is the difference between synthesis and decomposition? (1)
11. How can one tell the difference between a single and double replacement
reaction? (1)
12. In a single replacement reaction, what must happen in order for the reaction to
occur? What chart must be used? (1)
13. In a double replacement reaction, what must happen in order for the reaction
to occur? What chart must be used? (1)
14. In combustion, what two types of gases must be formed? (1)
15. When writing equations, single elements (should/should not) have charges. (1)
16. What must be checked for when dealing with single elements? (1)
17. Know how to balance equations, write the products for a single or double
replacement reaction, and predicting whether the reaction will occur or not.