Balancing Chemical Equations

Front

Element or compound?
O₂

Back

Element

Front

Element or compound?
H₂O

Back

Compound

Front

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

Back

Reactants

Front

What is the right part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

Back

Products

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

How many Hydrogen are in 4H₂O?

Back

8

Front

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

Back

No!

Front

Is the following equation balanced?
4Fe + 3O₂ --> 2Fe₂O₃

Back

yes

Front

How many HCl molecules do you need to balance this equation? Mg + __HCl ---> MgCl₂ + H₂

Back

2

Front

Balance this equation:
 2Li + Cl₂ -> LiCl

Back

2Li + Cl₂ -> 2LiCl