Reaction types

Types of Reactions Yr 10 Chemistry

[object Object],[object Object],Can you name any?

Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reaction Rates ,[object Object],[object Object]

Rates of Reaction Chemical reactions occur when different atoms or molecules collide: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Rate of reaction graph Amount of product formed Time Slower reaction Fast rate of reaction here Slower rate of reaction here due to reactants being used up

Reaction Rates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reaction Rates Collision Theory ,[object Object],[object Object],[object Object]

Reaction Rate Effects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reaction Rate Effects ,[object Object],[object Object]

Concentration ,[object Object],[object Object],[object Object],There are less red particles in the same volume so there is less chance of a collision There are more red particles in the same volume so there is more chance of a collision so the reaction goes faster

Reaction Rate Effects ,[object Object],[object Object],[object Object],[object Object]

Surface area ,[object Object],[object Object],The particles on the surface can react When cut into smaller pieces there are more particles on the outside that can react

Measuring rate of reaction Two common ways: 1) Measure how fast the products are formed 2) Measure how fast the reactants are used up

Activation Energy ,[object Object],[object Object]

Exothermic v Endothermic ,[object Object],[object Object],[object Object]

Activation Energy ,[object Object],[object Object],[object Object]

Catalysts ,[object Object],[object Object]

Dissociation reactions ,[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object]

Solubility ,[object Object],[object Object],Anion Formula exceptions Acetate CH 3 COO - Nitrate NO 3 - Chloride Cl - Silver, mercury, lead Sulfate SO 4 2- Barium, strontium, lead

Questions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Solutions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ionisation reactions ,[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object]

Are these ionisation reactions? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Combustion ,[object Object],[object Object]

Metal + Oxygen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Metal + Oxygen Magnesium in Oxygen

Hydrocarbon + Oxygen ,[object Object],[object Object],[object Object],[object Object]

Hydrocarbon + Oxygen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Can you write equations for the combustion of

Hydrocarbon + Oxygen ,[object Object],[object Object],[object Object]

Precipitation Yr 10 Chemistry

Precipitation Reactions ,[object Object],[object Object],[object Object]

Solubility ,[object Object],[object Object],[object Object],[object Object]

Solubility anion formula Solubility Acetate C2H3O2 - All soluble Nitrate NO3 - All soluble Chloride Cl - Not Ag, Hg, Pb Sulfate SO4 2- Not Ba, Sr, Pb Carbonate CO3 2- Insoluble* Hydroxide OH - Insoluble* Sulfide S 2- Insoluble Not group I or II Na/K/NH4 salts All soluble

Solubility ,[object Object],[object Object],[object Object],Temperature Amount & Rate of Dissolving of Salt

Precipitate Formation: Formation of Lead (II) Iodide When mixed, two clear solutions produce a dense yellow precipitate To observe the formation of a precipitate from ionic compounds in an aqueous state.

Demonstration ,[object Object],Pb 2- NO 3 - K + I - + PbI 2(s) K + NO 3 -

Double Replacement Reactions ,[object Object],[object Object],[object Object],[object Object]

Precipitates ,[object Object],[object Object]

Write equations for … ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Decomposition reactions ,[object Object],[object Object],[object Object],[object Object]

Practical ,[object Object],[object Object],[object Object]

Which decomposes quickest? ,[object Object],[object Object],[object Object]

Displacement Reactions Year 10 Chemistry

The Activity Series of Metals ,[object Object],[object Object]

The Activity Series of Metals most reactive least reactive K Ca Na Mg Al Zn Fe Cu Ag Au

Displacement Reactions ,[object Object],[object Object],[object Object]

Displacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mg SO 4 + Cu (s)

Displacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NVR

Is it displacement? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Neutralisation – Reactions with Acids Year 10 Chemistry

Reactions of Acids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PROPERTIES OF ACIDS & BASES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Measuring Acids and Bases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Acid + Alkali ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Neutralization Reactions

Acid + Metal ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Metal + Acid ,[object Object],[object Object],[object Object],[object Object],[object Object]

Metal Oxides ,[object Object],[object Object],[object Object],[object Object]

Forming Basic Oxides ,[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Oxides ,[object Object],[object Object],[object Object],[object Object],Sodium hydroxide Na 2 O + H 2 O  2NaOH Potassium hydroxide K 2 O + H 2 O  2KOH Calcium hydroxide CaO + H 2 O  Ca(OH) 2

Forming Acidic Oxides ,[object Object],[object Object],[object Object],[object Object]

Acidic Oxides ,[object Object],[object Object],[object Object],[object Object],sulfuric acid carbonic acid Nitric acid SO 3 + H 2 O  H 2 SO 4 CO 2 + H 2 O  H 2 CO 3 NO 2 + H 2 O  HNO 3

Acid Rain ,[object Object],[object Object],[object Object],[object Object]

Metal Oxides + Acid ,[object Object],[object Object],copper oxide + sulfuric acid Copper sulfate + water CuO + H 2 SO 4 CuSO 4 + H2O

Metal Oxides in Acid ,[object Object],[object Object],[object Object],[object Object],zinc chloride + water ZnO + 2HCl  ZnCl 2 + H 2 O Al 2 O 3 + H 2 SO 4  Al 2 SO 4 + H 2 0 aluminium sulfate + water lead sulfate + water PbO + H 2 SO4  PbSO 4 + H 2 O

Acid + Carbonate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ions in Solution ,[object Object],[object Object],[object Object]

Autoionization of Water ,[object Object],[object Object],[object Object]

Redox ,[object Object],[object Object],[object Object]

Oxidisers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Reducers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Metal + Water is redox ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],oxidation reduction

Metal + Water Caesium in water

Complete the equation and Identify the oxidiser and reducer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Oxidation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Reduction ,[object Object],[object Object],[object Object],[object Object],[object Object]

Redox ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reaction types

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