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REACTION BETWEEN WATER AND DIFFERENT SALTS
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- Words:
- 564
- Submitted:
- Mon Oct 19 2009
- Mark submitted by Author:
... REACTION BETWEEN WATER AND DIFFERENT SALTS Aim: To investigate the reaction between water and the salts, calcium chloride and ammonium chloride. Apparatus and Materials used: 1. 50cm³ Plastic beaker 2. 250cm³ glass beaker 3. Thermometer 4. Stop watch 5. Tissue 6. Spatula Procedure: 1. Plastic beaker containing 50 cm³ of water is placed inside a 250cm³ beaker 2. Tissue is placed in the space between Plastic and beaker 3. temperature of water is then recorded 4. Calcium chloride is then add to plastic beaker, one spatula at a time after each addition mixture is stirred with a thermometer 5. temperature is recorded every minute until all the calcium chloride has been added 6. Temperature is continuously recorded every minute for a further five minutes 7. Plastic beaker is then rinsed out thoroughly and experiment is repeated using ammonium chloride. While continuously adding Calcium chloride Time taken/min Temperature/ 0.0 23.0 1.0 26.2 2.0 27.1 3.0 29..4 4.0 30.3 5.0 32.5 6.0 34.2 7.0 35.5 When calcium chloride has stopped being added Time taken/min Temperature/ 1.0 35.4 2.0 35.0 3.0 34.5 4.0 34.0 5.0 33.7 Table no.1 Table no.2 While continuously adding Ammonium chloride Time taken/min Temperature/ 0.0 23.0 1.0 20.2 2.0 18.5 3.0 16.3 4.0 15.1 5.0 13.7 6.0 11.4 7.0 10.1 When Ammonium chloride has stopped
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