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How the change of temperature affects the rate the jelly dissolves.
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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How the change of temperature affects the rate the jelly dissolves. My aim if to find how the change in temperature affects the rate the jelly dissolves. I predicted that as the temperature increases the solute will dissolve faster. This is because as the temperature increases the solvents atoms will vibrate and move more rapidly. As the solvents atoms increase their movement, they bump into the solute more often. Whilst they do this they carry bits of the solute away, slowing dissolving the jelly. To carry out my investigation, I will measure the time it takes for the jelly to dissolve at different temperatures. Equipment * 250ml beaker * Thermometer * Bunsen burner * Gauze * Tri-stand * Thermal mat * Jelly (2cm² x 12) * Stop watch * Polystyrene Method Collect a 250ml beaker and fill with 150ml of water and heat to the correct temperature. I will start with 80°C followed by 75°C and continue to decrease by 5°C until...
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