1. Balancing Equations MORE Practice - Answers

2. 1. __ CF 4 + __ Br 2 -->__ CBr 4 + __ F 2 List metals, non-metals, then H and O.

3. 1.__ CF 4 + __ Br 2 ---->__ CBr 4 + __ F 2 CFBr 1 1 4 2 2 4 2 4 2 4

4. 2. ___FeO 3 + ___ H 2 O ---> __Fe(OH) 3 List metals, non-metals, then H and O.

5. 2. ___Fe 2 O 3 + ___ H 2 O ---> __Fe(OH) 3 Fe H O 21 2 3 2 2 6 6 66

6. 3. ___ZnCl 2 + __H 2 ---> ___ Zn + ___ HCl List metals, non-metals, then H and O.

7. 3. ___ZnCl 2 + __H 2 ---> ___ Zn + ___ HCl Zn Cl H 11 21 2 2 22

8. 4. ____ C 2 H 2 + ___H 2 ---> ___ C 2 H 6 List metals, non-metals, then H and O.

9. 4. ____ C 2 H 2 + ___H 2 ---> ___ C 2 H 6 C H 22 46 2 6

10. 5. ____ P 4 + ___ O 2 ---> ___ P 2 O 3 List metals, non-metals, then H and O.

11. 5. ____ P 4 + ___ O 2 ---> ___ P 2 O 3 P O 42 2 4 26 3 6

12. 6. ____ZnCl 2 + ____ H 2 ---> _____ Zn + _____ HCl List metals, non-metals, then H and O.

13. 6. ____ZnCl 2 + ____ H 2 ---> _____ Zn + _____ HCl Zn Cl H 1 1 2 1 2 2 2 2

14. 7. ____ C + ___ H 2 ---> ___ C 3 H 8 List metals, non-metals, then H and O.

15. 7. ____ C + ___ H 2 ---> ___ C 3 H 8 C H 13 3 3 2 8 4 8

16. 8. ___HNO 3 + __Mg(OH) 2 --->___H 2 O + __Mg(NO 3 ) 2 List metals, non-metals, then H and O.

17. 8. ___HNO 3 + __Mg(OH) 2 --->___H 2 O + __Mg(NO 3 ) 2 Mg N H O 11 12 2 2 4 2 2 4 88

18. 9. ____ Al + ___ Br 2 ---> ___ Al 2 Br 6 List metals, non-metals, then H and O.

19. 9. ____Al + ___Br 2 ---> ___Al 2 Br 6 Al Br 12 2 2 26 3 6

20. 10. ____ Fe + ___ O 2 ---> ___ Fe 2 O List metals, non-metals, then H and O.

21. 10. ____ Fe + ___ O 2 ---> ___ Fe 2 O Fe O 12 2 2 2 1 2 2 4 4 4

22. How did you do? 0 wrong = 100% A+ 1 wrong = 90%A 2 wrong = 80%B 3 wrong = 70%C 4 or more = keep practicing!!!