C3 REVISION CHAPTER 1 THE PERIODIC TABLE
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1 C3 REVISION CHAPTER 1 THE PERIODIC TABLE State how each of these scientists aided in the development of the modern periodic table: Dalton: Describe how the modern periodic table is arranged: Newland: Mendeleev: Create a key for the colours displayed on the periodic table above: Group 1 the alkali metals: Describe the properties: Transition metals: Describe the physical properties: The halogens: Describe the properties: Describe the reactions: Describe the displacement reactions: Describe the chemical properties: Describe the reactions: Describe the types of compounds formed: Dalton Newland Mendeleev Reactivity Reactive metals Transition metals Non-metals Nobel gases Melting point Boiling point Alkali metals Physical properties Chemical properties Compound Halogens Displacement
2 C3 REVISION CHAPTER 2 WATER Explain what hard water is and how it is formed: Explain how water is treated to make it safe to drink: You can use a diagram State the equation that shows why hard water wastes soap: Describe how limescale is formed: Explain the issues surrounding the treatment of water with ions such as chlorine and fluoride: Explain the how the effects of the following on hard water: Washing soda: Ion-exchange column: Heating: Hard water Soapless detergents Scale Temporary hard water Permanent hard water Ion-exchange column Water treatment Pure water Softener Chlorine Fluoride
3 C3 REVISION CHAPTER 3 ENERGY CALCULATIONS We calculated the energy used when burning fuels using the following calculation: Energy released = mass of water X specific heat X rise in heated capacity of water temperature Sketch an energy change graph for each of the following and explain the energy changes taking place: Endothermic This is sometimes written as: Q = mm T We also need to know the amount of energy released per gram or per mole to compare the efficiency of the fuels: 1g Energy released per gram (kj/g) = energy released X cccccc ii mmmm oo ffff RRR oo ffff Energy released per mole (kj/mol) = energy released X cccccc ii mmmm oo ffff Use these equations to show which fuel is more efficient: 0.2 grams of fuel A heats 50g of water from 16 C to 41 C 0.46 grams of fuel B heats 50 g of water from 21 C to 57 C Exothermic: Activation energy: Catalysts: Explain how to calculate bond energy for a reaction: Energy release Energy transfer Solutions Exothermic Endothermic Activation energy Catalyst Bond breaking Bond making Bond energy
4 C3 REVISION CHAPTER 4 ANALYSIS AND SYNTHESIS Fill in the flow chart to show your understanding of positive ion tests: Metal ion Colour of precipitate Further tests required Copper Cu 2+ Reddish-brown Iron Fe 2+ Magnesium Mg 2+ Insoluble in excess NaOH, red flame test Aluminium Al 3+ White Fill in the table to show your understanding of flame tests: Metal ion Lithium (Li + ) Sodium (Na + ) Barium (Ba 2+ ) Flame colour Lilac Red Describe how to carryout a titration: Describe the Haber process: Fill in the table to show your understanding of negative ion tests: Anion Test Observation CO 2 gas produced Describe the effects of temperature on this process: Halide Colour precipitate: Chloride Bromide Iodide State the different types of chemical analysis that can be carried out: Sulphate White precipitate Describe the effects of pressure on this process: Flame test Sodium hydroxide Carbonates Halides Sulphates Titration End point Concentration Chemical analysis Equilibrium Pressure Energy Haber process
5 C3 REVISION CHAPTER 5 ORGANIC CHEMISTRY Alcohols: Draw the structure of the first 3 members: Carboxylic acids: Draw the structure of the first 3 members: Esters: Draw the structure of the first of ethyl ethanoate: Methanol Ethanol Propanol State the some of the uses of alcohol: Methanoic acid Ethanoic acid Propanoic acid Describe the reaction of carboxylic acid with carbonates: Explain how esters are made: Describe the combustion of alcohol: Describe the reaction of alcohol with sodium: Explain why carboxylic acids are called weak acids: Describe the oxidation of alcohol: Explain the issues of ethanol in drinks: Explain the issues of ethanol and esters as biofuels: Alcohol Functional group Homologous series Carboxylic acid Esters Combustion Oxidation Ethanol
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