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The aim of my investigation is to test the effect of temperature on the rate of reaction between sodium thio sulphate and hydrochloric acid.
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Bradley Webb 10.2 The Effect of temperature on the rate of a reaction The aim of my investigation is to test the effect of temperature on the rate of reaction between sodium thio sulphate and hydrochloric acid. I am going to measure for each temperature of 10c how long it takes for a black cross to disappear. I am going to make this a fair test by keeping the size and color of the cross the same, the concentration and volume of the acid the same and the volume and the concentration of the thio sulphate the same. I predict that if you increase the temperature the molecules will be getting more energy. This will make the molecules move faster and increase the number of effective collisions. If the number of effective collisions increases then the rate of the reaction will increase causing the liquid to go cloudier more quickly making the cross disappear...
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