Chapter 9 chemical reactionsVOCABULARY !!

Know these words ….

PRECIPITATE

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

Decomposition reaction

• ABC yields A + B + C

Synthesis reaction

A + B + C yields ABC

Double replacment reaction

• AB + CD yields AD + CB

Single replacement reaction

• AB + C yields AC + B

And in this situation both B and C must be __________________NONMETALS

dissolved in water.In a double replacment reaction, both reactants

must first be ___________ ___ ____________

aq

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

combustion reaction

Mg + oxygen yields MgO is a _______ reaction.

coefficientsTo balance a chemical reaction we change the

____________________

subscriptsWhen writing chemical formulas the numbers are written as ______________

Activity series

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 …

spectators

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

soluble

Something that dissolves in water is said to be …

insoluble

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

Decomposition reaction

• ABC yields A + B + C

catalyst

• Speeds up a chemical reaction