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An investigation on the rates of reaction
Member rating: No Rating | Words: | Submitted: Fri Mar 18 2005
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The ways that the rate of reaction can be altered are: Concentration: If the concentration of a solution is increased there are more reactant particles per unit volume. This increases the probability of reactant particles colliding with each other. Pressure: If the pressure is increased the particles in the gas are pushed closer. This increases the concentration and thus the rate of reaction. Surface Area: If a solid is powdered then there is a greater surface area available for a reaction, compared to the same mass of unpowdered solid. Only particles on the surface of the solid will be able to undergo collisions with the particles in a solution or gas. The particles in a gas undergo random collisions in which energy is transferred between the colliding particles. Prediction: I predict as the concentration is changed the rate of reaction will increase. When the concentration is changed the particles will have more energy and...
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