A student investigates how the volume of a gas changes when its temperature increases - Edexcel - GCSE Physics - Question 2 - 2015 - Paper 1
Question 2
A student investigates how the volume of a gas changes when its temperature increases.
The diagram shows the equipment used and the length of the trapped gas at 25°... show full transcript
Worked Solution & Example Answer:A student investigates how the volume of a gas changes when its temperature increases - Edexcel - GCSE Physics - Question 2 - 2015 - Paper 1
Step 1
Use the scale to estimate the length of the column of trapped gas.
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Answer
Using the scale shown in the diagram, the estimated length of the column of trapped gas is approximately 10.8 cm, allowing for a slight error in measurement.
Step 2
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The cross-sectional area of the capillary tube is 1.94 × 10² cm².
The volume of the column of trapped gas at 25 °C is about B 2.1 x 10² cm³.
