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The rate of reactions and what affects them - hydrochloric acid and sodium thiosulphate.
Member rating: No Rating | Words: | Submitted: Fri Oct 10 2003
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January 2001 *Aim: Investigating the rate of reactions and what affects them. In my case I am going to look at hydrochloric acid and sodium thiosulphate. I am going to investigate how the concentration of hydrochloric acid will affect the reaction. *Background Information: In the investigation I am going to do I am looking at the rate of reactions. In Microsoft Encarta it is defined as the "amount of a substance that takes part in a chemical reaction". Factors can change reaction rates. If substance that are wanted for reaction are heated, the rate of reaction usually rises as well, this also works the other way, if reacting substances are cooled the reaction will slow down. This is due to the fact that in order for a reaction to take part the particles in the substance must collide with each other. This is called the colliding theory. When the substance...
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