P2 - Specific Heat Capacity

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6 Terms

1
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Step 1

Wrap insulation around the base and side of block then the heater should fit into 1 hole in the block

2
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Step 2

Drop water into hole using a pipette to increase thermal contact if thermometer has air gap surrounding it

3
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Step 3

If power of heater is unknown, turn on power supply and measure current/potential difference using P=IV

4
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Step 4

Keep power supply on and start timer then measure block temperature every 10 mins

5
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Step 5

Plot graph of temperature against work done by heater then calculate line gradient

6
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Step 6

  • Specific Heat Capacity = Gradient/Mass of Block

  • Inverse of Gradient = Specific Heat Capacity of Block