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How does the temperature of the sodium thiosulphate affect the rate of reaction with hydrochloric acid?
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How does the temperature of the sodium thiosulphate affect the rate of reaction with hydrochloric acid? Introduction: A chemical reaction is a process in which one set of chemical substances, known as the reactants, are changed into another substance or set of substances, called the products. The factors that affect the rate of chemical reactions include: * Temperature. * Concentration. * Particle size. * Pressure. * Using a catalyst. * Light. I have chosen to investigate how increasing temperature can alter the rate of a reaction When sodium thiosulphate and hydrochloric acid are introduced to each other, four products are created. The products of this reaction are: Sodium + Hydrochloric acid ? Sodium + sulphur + water Thiosulphate acid chloride dioxide The time taken for the reaction is measured by the time taken for sulphur to be precipitated. The sulphur becomes a milky white colour, which obscures a cross, drawn on a piece of paper placed below the conical flask...
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