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Concentration - Rates of reaction.
Member rating: No Rating | Words: | Submitted: Thu Jul 15 2004
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Concentration - Rates of reaction Aim The aim is to see how the concentration of hydrochloric acids effects the rate of reaction with sodium thiosulphate. Introduction A rate of reaction is how fast or slow the reaction is between two chemicals. There are five ways which effect the rate of reaction, they are:- Catalyst Enzymes - If there was more catalyst enzymes the quicker the reaction is. Temperature - If the temperature is high it will give the particles more energy which will make them collide more. Surface Area - So there is more of the reaction substance exposed because if there was a big surface area there will be more space for the reactions to happen. Concentration - By increasing the concentration there are more particles what will collide. Stirring - By stirring it will force the particles to collide more which will make a reaction. Equipment Hydrochloric acid (0.25M, 0.5M, 1.0M, 1.25M, 1.5M, 2.0) Sodium Thiosulphate Conical Flask Light Sensors Measuring Cylinder Paper Stop Clock Lamp Bosses Stand Clamps Fair...
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