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Chemistry
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Patterns of Behaviour
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Page 17
Essays in Patterns of Behaviour category
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Essay Title
Rating
Demonstrate how the changing concentration of the hydrochloric acid affects the amount of carbon dioxide produced when it is added to marble chips.
Not rated
Describe the rate of natural selection in evolution.
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Describe, in terms of the production of photochemical smog, what is meant by primary pollutants, and secondary pollutants in the atmosphere, and list the main primary and secondary pollutants produced as a result of motor vehicles.
Design an experiment to investigate how one factor can change the rate/speed of a chemical reaction.
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Design an experiment to investigate the effect of varying the temperature of Sodium Thiosulphate solution on the rate of the reaction between sodium Thiosulphate solution and dilute hydrochloric acid.
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Detail, with appropriate scientific theory, the five main factors that affect the rate of a reaction
Determination of the Cations and Anions
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Determination of the Enthalpy Change of a ReactionDetermine the enthalpy change of the thermal decomposition of calcium carbonate by an indirect method based on Hess' law.
Determination of the Valency of Magnesium
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Determine the effect temperature has on the rate of reaction.
Determine the rate equation for the reaction of hydrochloric acid with magnesium metal, and find the activation energy for the reaction: 2HCl(aq) + Mg(s) à MgCl2(aq) + H2(g).
Determine whether the rate of the reaction changes as the concentration is varied, and find out what effect changing the type of acid used (strong or weak) will have on the activation energy.
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Determining activation energy (Ea) of a reaction.
Determining the Enthalpy Change of A Reaction.
Determining the Enthalpy Change of the Decomposition of Calcium Carbonate
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Determining the Enthalpy Change of the Decomposition of Calcium Carbonate.
Development of the Periodic Table
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Devise an experiment which will give greater understanding about enzyme catalysed reactions
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Devise and carry out an investigation into how the concentration of hydrogen peroxide in a solution with distilled water will affect the rate of the catalysed reaction between hydrogen peroxide solution and manganese oxide.
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Devise and Design an experiment to show how the rate of the reaction between Sodium Thiosulphate and Hydrochloric Acid changes if the concentration of Sodium Thiosulphate is changed.
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Different factors affecting the rate of reaction between: Sodium thiosulphate + hydrochloric acid.
Different sizes of Marble Chips (calcium carbonate) & Hydrochloric acid
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Disappearing cross (aka Rate of reaction).
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Disappearing Cross Experiment
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Discover how a varying temperature affects the rate of reaction between sodium thiosulphate and hydrochloric acid.
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