H₂ + O₂ → H₂O₁

Law of Conservation of Matter- Matter cannot be

created or destroyed

Reactants Product(s)Reacts to Form

Reactants Products

H:2 4 H:2 4

O:2 O:1 2

The only number you can change is the coefficient.

2 2

Monday, June 2, 14

_Al + _H₂(SO₄) → _Al₂ (SO₄)₃ + _H₂

If a polyotomic appears on both sides, we balance it as one.

Reactants Products

SO₄ :1 3 SO₄:3

Al:1 2 Al:2

H:2 6 H:2 6

3 32 1

Diatomic:-Hydrogen

-Nitrogen-Oxygen-Florine

-Chlorine-Bromine-Iodine

Monday, June 2, 14

Aluminum and Oxygen react to form Aluminum Oxide.

_Al + _O₂ → _Al₂_O₃

Reactants Products

Al: 1 4 Al: 2 4

O: 2 6 O: 3 6

3 24

Monday, June 2, 14

Potassium Chlorate decomposes to form potassium chloride and oxygen gas.

_K(CIO₃) → _K(Cl) + _O₂

Reactants Products

K: 1 2 K: 12

Cl: 12 Cl: 12

O: 3 6 O: 2 6

32 2

Monday, June 2, 14

Aluminum Nitrate and Sodium Hydroxide React to from Aluminum Hydroxide and Sodium Nitrate.

Al+³ NO-¹₃ Na +¹ OH -¹

Al(NO₃)₃ + _NaOH →Al(OH)₃ + _NaNO₃

Reactants Products

Al: 1 Al:1

NO₃: 3 NO₃: 13

Na:1 3 Na:13

OH: 1 3 HO:3

33

Monday, June 2, 14