A student uses the apparatus in Figure 8 to determine the specific heat capacity of water - Edexcel - GCSE Physics Combined Science - Question 5 - 2018 - Paper 1
Question 5
A student uses the apparatus in Figure 8 to determine the specific heat capacity of water.
(i) State the measurements needed to calculate the specific heat capacity... show full transcript
Worked Solution & Example Answer:A student uses the apparatus in Figure 8 to determine the specific heat capacity of water - Edexcel - GCSE Physics Combined Science - Question 5 - 2018 - Paper 1
Step 1
Measurement of the mass of water
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Answer
The mass of water in the polystyrene cup should be measured. This can be done using a balance or weighing scale.
Step 2
Measurement of the temperature rise
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Answer
The initial and final temperatures of the water should be recorded using the thermometer to determine the temperature change.
Step 3
Measurement of the energy supplied
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Answer
The energy supplied by the immersion heater can be measured using the joulemeter. It is important to take readings directly from the joulemeter.
Step 4
Detail of measurement readings
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Ensure to note the readings from the thermometer at the start and end of the process, and also consider measuring the mass of the empty cup for accurate calculations.
