Required Practical 2

    Cards (3)

    • improve method - improved insulation
      Insulate the beaker or use a polystyrene cup or a lid
      To reduce heat loss
    • improved method - improved temperature recording
      Record the temperature for a suitable time before adding the metal
      To establish an accurate initial temperature
    • improved method - improved analysis of results
      Extrapolate the cooling back to the point of addition
      To establish temperature change (e.g. at the 4th minute)
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