Measurement of the specific latent heat of vaporisation of water

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6 Terms

1
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<p><span style="color: rgb(0, 0, 0);"><span>Label This Diagram</span></span></p>

Label This Diagram

a - thermometer

b - lid

c - insulator

d - cold water

e - calorimeter

f - steam bubbles

g - glass tubes

h - steam trap

i - steam

j - boiling water

2
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Demonstrate the method of this experiment (1)

Measure mass of calorimeter

3
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Demonstrate the method of this experiment (2)

Add cold water

Measure mass of calorimeter + water

Measure initial temperature

4
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Demonstrate the method of this experiment (3)

Boil water

Measure final temperature

Measure mass of calorimeter + water + steam

5
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Define the formula used for this experiment

m (i) l (vw) + m(s) c(w) temp change (s) = m (w) c (w) temp change (w+c) + m (c) c (c) temp change (w + c)

6
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Name 2 precautions associated with this experiment

  1. Room temperature between initial temperature and 100°C

  2. Use steam trap to ensure only steam is added