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Category: Science
Word Count: 2938
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Invesitgating Rates of Reaction


Preliminary Experiment

Diagram:
















Apparatus:
Conical Flask
Eudiometer (and retort stand and clamp)
Delivery Tube and bung
Water trough (with water)
50ml of hydrochloric acid 1M (no water added)
3 Marble Chips of mass 0.95g each
Stopwatch

Key Variables: The rate of reaction can be altered by four key variables, these are:
·     Surface area
·     Concentration of HCl acid
·     Temperature
·     Catalysts

In order to make this experiment a fair test I must
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