1. JEOPARDY! Reactions Test Review

2. Chemical Formulas Chemical Reactions Vocabulary Balancing Equations 100 200 300 400 500

3. Chemical Formulas 100 How many different elements are represented in the formula NH 4 OH?

4. Chemical Formulas 500 What does the coefficient tell you about a molecule? 5H 2 O

5. Chemical Formulas 300 How many new substances are created during the following reaction? Na + H 2 O  NaOH + H 2

6. Chemical Formulas 400 How many atoms of each element are in the chemical 2Cu(NO 3 ) 2 ?

7. Chemical Formulas 200 How many atoms of each element are in the chemical 4NaOCl 2 ?

8. Chemical Reactions 100 What 2 things can happen to the heat energy during a chemical reaction?

9. Chemical Reactions 200 Wood burning is an example of an ____________________ reaction.

10. Chemical Reactions 300 The starting materials, or items on the left side of the chemical equation are called the _________________.

11. Chemical Reactions 400 The law of conservation of mass says that energy will never be created or ______________.

12. Chemical Reactions 500 In the following equation: S + Fe  FeS, if you have 8 grams of S, how many grams of Fe would you need to produce a total of 20 grams of FeS?

13. Vocabulary 100 A ___________ is a shorthand notation that represents a compound or chemical.

14. Vocabulary 200 Describe the heat energy in the following reaction:

15. Vocabulary 300 The 2 in the formula Ag 2 S is a _____________.

16. Vocabulary 400 The part of the atom involved with bonding are called ________________.

17. Vocabulary 500 A(n) _________________ reaction absorbs heat energy making the inside of the reaction warmer, but the outside temperature cooler.

18. Balancing Equations 100 H 2 is on which side of the equation below? H 2 + O 2  H 2 0

19. Balancing Equations 400 Balance the following equation: Fe + O 2  Fe 2 O 3

20. Balancing Equations 300 In the following equation, what MUST be true about CO 2 and H 2 O when compared to CH 4 and O 2 ? CH 4 + O 2  CO 2 + H 2 O

21. Balancing Equations 500 Balance the following equation: Ba(CN) 2 + H 2 SO 4  BaSO 4 + HCN

22. Balancing Equations 200 Is the following equation balanced? NH 4 OH  NH 3 + H 2 O