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Rates of Reactions
Member rating: No Rating | Words: 833 | Submitted: Sun Dec 02 2007
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IGCSE COURSEWORK OCTOBER 2006 C4: Rates Of Reaction AIM: To investigate how the rate of reaction can be affected by temperature variation. MATERIALS: Apparatus: 4 beakers (250 ml), 4 test tubes (18 mm x 150 mm), centigram balance, test tube rack, measuring cylinder (25 ml), marking pen, stop watch, thermometer, water and ice cubes, top pan balance, hot plate, power source, safety goggles, a lab coat, 3.0 molar hydrochloric acid and uniform size of marble chips. METHOD: 1. Label four 250 ml beakers A, B, C & D. 2. Pour150 ml of water into beakers A, B and C only. In this experiment, these beakers will be used as water baths and for this reason, place a thermometer in each of these beakers to check the water bath temperature. Beaker D is to remain empty until step 9. 3. Put a test tube containing 10ml of 3.0 molar of hydrochloric acid into each of the...
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