Edexcel IAL · Physics · WPH15 · Thermodynamics
Topic Questions: 130 be able to use the equation for an ideal gas — WPH15 Thermodynamics
32 WPH15 Thermodynamics topic questions are tagged to this syllabus point across 20 papers (2020–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.
Core finding
This Thermodynamics syllabus point appears in 20 WPH15 papers across 2020–2026, contributing 32 topic questions and 101 marks. The most recent appearance is WPH15/01 January 2026. That equals 28.8% of the 111 topic questions and 30.0% of the 337 marks tagged to Thermodynamics. Only parts tagged to this subtopic are counted, so a four-part question can contribute one item and one part's marks. The table lists every matching question, its tagged parts and marks, with a link back to the paper page. Sessions are newest first, so the statement can be traced back through the full paper history.
Topic questions by session
Newest sessions first. Parts and marks count only the parts tagged to this subtopic; “x of y parts” shows how much of the question is tagged elsewhere. Select the paper cell to open the matching question on the paper page, or use Go to Practice Hub to answer that exact question in the Interactive Practice Hub.
| Paper | Question | Type | Parts | Marks | Difficulty | Practice |
|---|---|---|---|---|---|---|
| WPH15/01January 2026 · Edexcel IAL | Q13 Airbag Volume Ideal Gas Calculation - Edexcel IAL Physics Jan 2026 Q13 |
FRQ | 1 part | 4 | Medium | Go to Practice Hub |
| WPH15/02January 2026 · Edexcel IAL | Q15 Weather Balloon Physics - Edexcel IAL Physics Jan 2026 Q15 |
FRQ | 1 of 2 parts ((a)) | 3 of 5 on the paper |
Easy | Go to Practice Hub |
| WPH15/01October 2025 · Edexcel IAL | Q14 Thermodynamics - Gas Expansion - Edexcel IAL Physics Oct 2025 Q14 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH15/01October 2025 · Edexcel IAL | Q19 Thermodynamics - Upthrust and Gas Behavior - Edexcel IAL Physics Oct 2025 Q19 |
FRQ | 1 of 2 parts ((a)) | 4 of 10 on the paper |
Easy | Go to Practice Hub |
| WPH15/02October 2025 · Edexcel IAL | Q14 Gas Expansion of a Balloon - Edexcel IAL Physics Oct 2025 Q14 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH15/01June 2025 · Edexcel IAL | Q17 Gaia Globe - Edexcel IAL Physics June 2025 Q17 |
FRQ | 1 of 3 parts ((a)) | 5 of 9 on the paper |
Easy | Go to Practice Hub |
| WPH15/01January 2025 · Edexcel IAL | Q19 Argon Bulb Gas Laws and Filament Black Body - Edexcel IAL Physics Jan 2025 Q19 |
FRQ | 2 of 4 parts ((a), (b)) | 6 of 10 on the paper |
Easy | Go to Practice Hub |
| WPH15/01October 2024 · Edexcel IAL | Q14 Edexcel IAL Physics Unit 5 Oct 2024 Q14 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH15/01June 2024 · Edexcel IAL | Q13 Airship Floating & Gas Calculations - Edexcel IAL Physics Unit 5 Jun 2024 Q13 |
FRQ | 2 parts ((a), (b)) | 6 | Easy | Go to Practice Hub |
| WPH15/01January 2024 · Edexcel IAL | Q14 Thermodynamics - Edexcel IAL Physics Jan 2024 Q14 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH15/01October 2023 · Edexcel IAL | Q11 Molecular Kinetic Energy in a Balloon - Edexcel IAL Physics Oct 2023 Q11 |
FRQ | 1 part | 3 | Medium | Go to Practice Hub |
| WPH15/01June 2023 · Edexcel IAL | Q9 Edexcel IAL Physics Unit 5 June 2023 Q9 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH15/01June 2023 · Edexcel IAL | Q12 Edexcel IAL Physics Unit 5 June 2023 Q12 |
FRQ | 2 parts ((a), (b)) | 5 | Easy | Go to Practice Hub |
| WPH15/01January 2023 · Edexcel IAL | Q17 Ideal Gas Pressure and Molecular Motion - Edexcel IAL Physics Jan 2023 Q17 |
FRQ | 1 of 2 parts ((a)) | 4 of 10 on the paper |
Medium | Go to Practice Hub |
| WPH15/01October 2022 · Edexcel IAL | Q2 Pressure Law - Edexcel IAL Physics Oct 2022 Q2 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH15/01October 2022 · Edexcel IAL | Q12 Gas Density Calculation - Edexcel IAL Physics Oct 2022 Q12 |
FRQ | 1 part | 5 | Medium | Go to Practice Hub |
| WPH15/01June 2022 · Edexcel IAL | Q7 Gas Properties at Constant Volume - Edexcel IAL Physics Jun 2022 Q7 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH15/01June 2022 · Edexcel IAL | Q8 Boyle's Law Required Conditions - Edexcel IAL Physics Jun 2022 Q8 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH15/01June 2022 · Edexcel IAL | Q19 Mercury Atoms Spectrum and Star Chi Lupi Properties - Edexcel IAL Physics Jun 2022 Q19 |
FRQ | 1 of 3 parts ((a)) | 3 of 8 on the paper |
Medium | Go to Practice Hub |
| WPH15/01January 2022 · Edexcel IAL | Q5 Ideal Gas Law Calculations - Edexcel IAL Physics Jan 2022 Q5 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH15/01January 2022 · Edexcel IAL | Q13 Weather Balloon Thermodynamics - Edexcel IAL Physics Jan 2022 Q13 |
FRQ | 1 of 2 parts ((a)) | 3 of 5 on the paper |
Easy | Go to Practice Hub |
| WPH15/02January 2022 · Edexcel IAL | Q11 Molecules in a Spherical Balloon - Edexcel IAL Physics Jan 2022 Q11 |
FRQ | 1 part | 4 | Easy | Go to Practice Hub |
| WPH15/01October 2021 · Edexcel IAL | Q14 Properties of Landfill Natural Gas - Edexcel IAL Physics Oct 2021 Unit 5 Q14 |
FRQ | 1 of 2 parts ((a)) | 3 of 6 on the paper |
Easy | Go to Practice Hub |
| WPH15/01June 2021 · Edexcel IAL | Q7 Mean Square Speed of Helium Molecules - Edexcel IAL Physics Jun 2021 Q7 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH15/01June 2021 · Edexcel IAL | Q11 Boyle's Law Demonstration and Ideal Gas Calculation - Edexcel IAL Physics Jun 2021 Q11 |
FRQ | 2 parts ((a), (b)) | 6 | Easy | Go to Practice Hub |
| WPH15/01January 2021 · Edexcel IAL | Q14 Ideal Gases - Xenon gas storage |
FRQ | 2 parts ((a), (b)) | 5 | Easy | Go to Practice Hub |
| WPH15/01October 2020 · Edexcel IAL | Q17 Gas Laws applied to Football - Edexcel IAL Physics Oct 2020 Q17 |
FRQ | 1 of 2 parts ((a)) | 6 of 12 on the paper |
Hard | Go to Practice Hub |
Related topic questions in Thermodynamics
125 be able to use the equations and
145 marks · 2020–2026
126 CORE PRACTICAL 12: Calibrate a thermistor in a potential divider circuit as a thermostat
13 marks · 2020–2024
127 CORE PRACTICAL 13: Determine the specific latent heat of a phase change
6 marks · 2020–2026
128 understand the concept of internal energy as the random distribution of potential and kinetic energy amongst molecules
48 marks · 2020–2026
129 understand the concept of absolute zero and how the average kinetic energy of molecules is related to the absolute temperature
40 marks · 2020–2026
131 CORE PRACTICAL 14: Investigate the relationship between pressure and volume of a gas at fixed temperature
4 marks · 2023
Topic question rules and edge cases
- How many topic questions cover this syllabus point?
- 27 question stems cover this subtopic across 20 papers, but only 32 tagged parts and 101 marks belong to it. Other parts of the same questions are assessed under different statements and are excluded from this page.
- Which papers include this subtopic?
- The table lists every matching session from 2020–2026. Each row links to the question anchor on the paper page, where the full paper context and practice entry point are available.
- Why can one question appear under several subtopics?
- The parts of one question can assess different syllabus statements. Each part is counted under its own subtopics, so the same question stem can appear on several subtopic pages while each page lists only the parts and marks tagged to that statement.
- Can I practise these questions with AI marking?
- Yes. Open a paper from the table and use the Interactive Practice Hub entry point. The page itself is static HTML so search engines and retrieval agents can read the full question list without executing JavaScript.