Health and safety

Health and Safety in the Haileybury Chemistry Department

A guide for teachers. Not all of it will be applicable to your department, but you might find it helpful when writing your own.

States of matter

• Cooling curve

• Diffusion in liquids

• Molecules or giant structures? 

• Ionic or covalent? 

• Classifying substances 

• Structure and bonding circus  (6th form)

• The effect of temperature on the diffusion of potassium manganate(VII)  (demonstration)

• Diffusion of nitrogen dioxide in air  (demonstration)

• Sublimation of iodine (demonstration)

Separations and purification

• Separating salt and sand

• Food dye chromatography

• Effect of temperature on solubility

• Distillation of impure water (class practical)

• Simple distillation (demonstration)

• Fractional distillation (demonstration)

• Separating funnel  (demonstration)

Chemical tests - inorganic

• Flame tests

• Cation tests

• Reactions of halogens

• Testing for halides

• Reactions of halides  (6th form)

• Making and testing for gases

• Testing for sulfate and carbonate

Reactivity series

• Metals and acids

• Metal displacement reactions

• Exothermic metal displacement reactions

• Causes of rusting

• Reaction of copper wire with silver nitrate (demonstration)

Elements and compounds

• The effect of heat on metal carbonates

• Iron and sulfur reaction

Rates of reaction

• Concentration and rate (sodium thiosulfate / acid)

• Temperature and rate (sodium thiosulfate / acid)

• Particle size and rate (marble chips and acid)

• Surface area and rates (rhubarb and potassium manganate(VII))

• Catalysis (iron nitrate / sodium thiosulfate)

• Catalysis (decomposition of hydrogen peroxide)

  • (we also use copper(II) oxide, iron(III) oxide and potassium iodide as catalysts)

Metal extraction

• Extracting copper with charcoal

• Extraction of iron on a match head

• Reduction of metal oxides with hydrogen

Oil and hydrocarbons

• Fractional distillation of crude oil

• Cracking hydrocarbons

• Burning oil fractions

• Comparing alkanes and alkenes

Fermentation

• Simple fermentation and detecting carbon dioxide

• Making cider and wine

Organic chemistry: functional groups

• Making esters

• Making esters  (6th form)

• Testing for carbonyl compounds  (6th form)

• Giant silver mirror (demonstration)

• Chemical properties of phenol  (6th form)

• Oxidation of alcohols  (6th form)

• Simple oxidation of ethanol (demonstration)

• Reaction of alkanes with bromine  (6th form)

• Hydrolysis of haloalkanes  (6th form)

Polymers

• Nylon rope trick

• Making Perspex

• Making slime (PVA / borax)

Inorganic chemistry: quantitative analysis

• Water of crystallisation of copper(II) sulfate

• The change in mass when magnesium burns

• The determination of the relative atomic mass of magnesium

• Simple titration

• Analysis of indigestion tablets by titration

• The volume of one mole of hydrogen gas

• Making a standard solution (6th form) 

• Redox titration (6th form) 

• Percentage of iron in ferrous ammonium sulfate  (6th form)

• Percentage of calcium carbonate in egg shell  (6th form)

Acids and alkalis

• Examples of indicators

• Rainbow fizz (student version) 

• Rainbow fizz (demonstration in a burette)

• Determination of Ka of a weak acid  (6th form)

Making salts

• Preparation of copper(II) sulfate from copper(II) oxide

• Preparation of copper(II) sulfate from copper(II) carbonate 

• Preparation of an insoluble salt 

• Making and testing predictions about insoluble salts 

Thermochemistry

• Heat energy from alcohols 

• Energy from chemical reactions 

• Thermometric titration 

• Exothermic or endothermic? 

• Determining an enthalpy change of reaction  (6th form)

Organic chemistry: analysis

• Thin layer chromatography of eugenol and clove oil  (6th form)

• Polarimetry of limonene  (6th form)

Organic chemistry: synthesis

• Preparation of aspirin  (6th form)

• Extraction of limonene  (6th form)

Miscellaneous

• Reversible reactions (demonstration)