Part 2 of 2
Warm it, cool it
describe / state
Try it yourself
describe: give the features or what happens. state: give a concise answer.
These readings come from the same sealed syringe of air, with no weights on the plunger. Use them to complete each answer.
| Water bath | Volume / cm³ |
|---|---|
| 20 °C (start) | 50 |
| 80 °C (warm bath) | 60 |
| 2 °C (ice bath) | 47 |
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Scope and sources
Cambridge IGCSE Chemistry 0620 · 2026–2028 v2 · Original learning materials.
The effects of pressure and temperature on the volume of a gas (1.1.4) and their explanation with kinetic particle theory (Supplement 1.1.6), with a recap of gas particles from 1.1.2. The experiment uses one ideal sealed sample of air; gas-law equations and numerical gas calculations are not part of this module.
Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.
Official Cambridge syllabus