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  • NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing
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NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing equations:

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Page 1: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

NaOH + Pb(NO3) 2 Pb(OH) 2 + NaNO3

ORDER:1. Balance metals2. Balance non-metals3. Balance oxygen 2nd last4. Balance hydrogen last

Tip for balancing equations:

Page 2: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

6 Basic Types of Reactions

1. Combination (Synthesis)2. Decomposition3. Single replacement4. Double replacement5. Neutralisation 6. Combustion

Page 3: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Combination Reactions

• reactants join together to form a single product

Page 4: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Magnesium burns in Oxygen

Page 5: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Decomposition Reactions

Products split to form 2 or more reactants

Page 6: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Electrolysis of water

Page 7: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Decomposition of Hydrogen Peroxide

Page 8: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Single Replacement Reaction

A single compound replaces one element for another(ie. Metals swap positions)

AB + C AC + B

Page 9: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Hydrochloric Acid with Mg metal

Page 10: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Double Replacement ReactionWhen two ionic compounds swap ions with each other (eg. Cation with cation)

AB + CD AD + CB

Page 11: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Potassium iodide and lead nitrate

Page 12: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Neutralisation Reaction

• A special type of double replacement reaction involving an acid and base to form an ionic salt and water

• Eg. HBr + LiOH

Page 13: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Combustion Reaction

Page 14: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Gasoline vs Diesel

Page 15: NaOH + Pb(NO 3 ) 2 Pb(OH) 2 + NaNO 3 ORDER: 1.Balance metals 2.Balance non-metals 3.Balance oxygen 2 nd last 4.Balance hydrogen last Tip for balancing

Balance the reaction:

hexane + oxygen carbon dioxide + water

C6H14 (l) + O2 (g) CO2 (g) + H20 (g)


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