1. Chapter 9 chemical reactions
VOCABULARY !!
Know these words ….

2. • The chunky stuff that FALLS to the bottom of a
test tube in a double replacement reaction.
PRECIPITATE

3. • ABC yields A + B + C
Decomposition reaction

4. A + B + C yields ABC
Synthesis reaction

5. • AB + CD yields AD + CB
Double replacment reaction

6. • AB + C yields AC + B
Single replacement reaction
NONMETALS
And in this situation both B and C must be __________________

7. In a double replacment reaction, both reactants
dissolved in water.
must first be ___________ ___ ____________

8. When we write PHASE NOTATION in a chemical
reaction we use (s) for solids (l) for liquids (g)
aq
for gases and (____) for dissolved in water.

9. Mg + oxygen yields MgO is a _______ reaction.
combustion reaction

10. To balance a chemical reaction we change the
coefficients
____________________

11. When writing chemical formulas the numbers
subscripts
are written as ______________

12. When a metal is trying to replace another metal
in a single replacement reaction the only way
we’ll know if it can do it is to first look at the …
Activity series

13. The ions which do NOT participate in a double
replacement reaction are called the…
spectators

14. Something that dissolves in water is said to be …
soluble

15. Something that does NOT dissolve in water is said
to be …
insoluble

16. • ABC yields A + B + C
Decomposition reaction

17. • Speeds up a chemical reaction
catalyst