C7 1.0 / 5 based on 1 rating ? ChemistryGCSEAQA Created by: HarrietCreated on: 27-05-13 10:43 Alkanes Hydrocarbons where carbon atoms are joined by single bonds 1 of 25 Alcohols functional group -OH C(n)H(2n+1)OH 2 of 25 Carboxylic Acids functional group -COOH 3 of 25 Esters The product made from the reaction of Carboxylic acids and alcohols 4 of 25 Fats esters of glycerol and fatty acids 5 of 25 Saturated Fats Single bonds - unreactive 6 of 25 Unsaturated Fats Double bonds -reactive 7 of 25 Exothermic Making Bonds. Takes in heat. 8 of 25 Endothermic Breaking of Bonds. Gives out heat. 9 of 25 Activation Energy The minimum energy required to start a reaction 10 of 25 Reversible reaction Products react together to produce original reactants 11 of 25 Equilibrium Forward AND backward reactions that occur at the same time, concentration of r and p stay the same 12 of 25 Strong acids IONISE completely in water. NO equilibrium 13 of 25 Weak Acids PARTIALLY ionise in water. Dynamic equilibrium 14 of 25 Qualitative analysis identifies chemicals in a substance 15 of 25 quantitative analysis determines AMOUNT of chemical in substance 16 of 25 Chromotography separates a substance as it moves between the mobile and the stationary phase 17 of 25 Gas chromotography able to separate complex mixtures 18 of 25 Titrations Calculate the concentration of an acid by finding how much alkali is needed to neutralise it 19 of 25 R(1) Value Distance travelled by substances/ Distance travelled by solvent 20 of 25 Concentration Mass/ Volume 21 of 25 Bulk and Fine chemicals Bulk- large amounts. Fine - small amounts 22 of 25 Green chemistry principles that go towards a more sustainable process 23 of 25 Catalyst Speeds up reactions, therefore reducing the amount of energy put into the reaction. Non reusable 24 of 25 Ethanol production Synthesis, Biotechnology, fermentation 25 of 25
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