A-LevelPhysicsThermodynamicsOct/Nov 2020Paper 4 Q210 Marks
The atoms of an ideal gas occupy a container of volume 2.30 x 10⁻³m³ at pressure 2.60 x 10⁵ Pa and temperature 180K, as illustrated in [Figure 2.1]. The gas is heated at constant pressure so that its volume becomes 3.80 × 10⁻³m³ at a temperature T. For the fixed mass of gas, calculate:
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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