Other than the thermometer, explain how two features of the calorimeter shown in Figure 2 would enable a valid measurement of the total heat energy released - AQA - A-Level Biology - Question 3 - 2020 - Paper 1
Question 3
Other than the thermometer, explain how two features of the calorimeter shown in Figure 2 would enable a valid measurement of the total heat energy released.
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Worked Solution & Example Answer:Other than the thermometer, explain how two features of the calorimeter shown in Figure 2 would enable a valid measurement of the total heat energy released - AQA - A-Level Biology - Question 3 - 2020 - Paper 1
Step 1
Stirrer distributes heat
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Answer
The stirrer ensures that the heat is evenly distributed throughout the water, allowing for an accurate measurement of the total heat energy released by the biomass.
Step 2
Insulation of the calorimeter
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Answer
The calorimeter is insulated, which minimizes heat loss to the environment. This prevents any heat exchange that could otherwise lead to inaccurate measurements of the energy released.
