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Chemistry Investigation by Yasir Al-Wakeel Aim: Our aim is to investigate various ways of increasing the rate of a chemical reaction and evaluate which has the greatest effect. Planning: Introduction A chemical reaction is the process by which atoms or groups of atoms from a certain substance react with those of another resulting in a product/s which has a changed molecular composition. A typical chemical reaction is of the form: A + B C + D in which A and B are the reactants and C and D are the products. Rate is commonly described as a measure of the change that happens in a single unit of time. The measure of rates is very important to the average person and is commonly used in everyday life. The table below illustrates some everyday rates of change (figures provided are approximations): Example Rate Travelling to school by car 40 miles per hour Travelling to school by foot 4 miles per hour Water coming...

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