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GCSE Chemistry - Sodium Thiosulphate Coursework

Title: GCSE Chemistry - Sodium Thiosulphate Coursework
Category: Science & Technology / Chemistry | Words: 2738 | Pages: 11.7 (approximately 235 words/page)

GCSE Chemistry - Sodium Thiosulphate Coursework

GCSE Chemistry - Sodium Thiosulphate Coursework We must produce a piece of coursework investigating the rates of reaction, and the effect different changes have on them. The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a chemical reaction. It is measured by dividing 1 by the time taken for the reaction to take place. There is five factors which affect the rate of a reaction, …showed first 75 words of 2738 total…

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…showed last 75 words of 2738 total…barrier will react after colliding. The minimum energy that a particle must have to overcome the barrier is called the activation energy, or Ea. The size of this activation energy is different for different reactions. If the frequency of collisions is increased the rate of reaction will increase. However the percent of successful collisions remains the same. An increase in the frequency of collisions can be achieved by increasing the concentration, pressure, or surface area.

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