Grade 11 · Physical Sciences · Chemistry, Paper 2 · CAPS
Energy and Chemical Change – Grade 11 Physical Sciences (Chemistry, Paper 2)
What Energy and Chemical Change covers, how it is examined in Grade 11, the 3 sections to study and how long it takes – plus live online lessons when you get stuck.
- Study sections
- 3
- Exam-style questions
- 7
- Marks of practice
- 46
- Study time
- ≈ 2 h 40 min
What it covers
Energy and Chemical Change is a Grade 11 Physical Sciences topic in the CAPS curriculum, examined in Physical Sciences Paper 2 (Chemistry) of the Grade 11 school and provincial exams. You study it in 3 sections: Exothermic and endothermic reactions; Activation energy and energy profile diagrams; ΔH from bond energies; measuring energy changes.
How it is examined
- Paper
- Grade 11 Physical Sciences Chemistry, Paper 2
- Exams
- June and November school or provincial exams – your school sets the papers and the dates
- Weighting
- Chemical change ≈ 80/150 (shared with stoichiometry, acids and bases, and redox); energy and chemical change typically ≈ 8–12 marks plus 1 MCQ
There is no national Grade 11 exam. Your school’s exam guideline says which topics each paper covers.
Sections to study
- Exothermic and endothermic reactions30 min
- Activation energy and energy profile diagrams35 min
- ΔH from bond energies; measuring energy changes30 min
Study time
| Notes and worked examples3 sections | 1 h 35 min |
|---|---|
| Exam-style questions7 questions · 46 marks × 1,2 min per mark | 55 min |
| Topic quiz | 10 min |
| Total | ≈ 2 h 40 min |
Grade 11 exams are set by your school or province – plan back from the date your school gives you.
What you get in the portal
- 7 exam-style questions on Energy and Chemical Change (46 marks in total), each with a full marking memo
- Worked examples with diagrams and step-by-step calculations for each of the 3 sections
- Tutor notes added to sections and questions – for the whole class or just for you
- A topic quiz and Grade 11 mock papers built from the exam-style questions
Notes, worked examples, questions and memos open once the tutor approves your account – usually with your first confirmed lesson.
Stuck on Energy and Chemical Change? Book a one-on-one lesson.
R250 per hour – 60, 90 or 120 minutes, online from anywhere in South Africa. Pick Energy and Chemical Change as your topic; you pay by EFT only after the tutor confirms.
Related Grade 11 Chemistry P2 topics
Questions about Energy and Chemical Change
How is Energy and Chemical Change examined in Grade 11?
Grade 11 learners write Physical Sciences exams set by their school or province, in June and November. Energy and Chemical Change is part of Physical Sciences Chemistry, Paper 2; the usual weighting is: Chemical change ≈ 80/150 (shared with stoichiometry, acids and bases, and redox); energy and chemical change typically ≈ 8–12 marks plus 1 MCQ. Your school’s exam guideline confirms which topics each exam covers.
How long does it take to study Energy and Chemical Change?
About 2 h 40 min: 1 h 35 min for the notes and worked examples in its 3 sections, 55 min for the 7 exam-style questions (46 marks) at exam pace of 1,2 minutes per mark, and a 10-minute quiz.
Can I get online lessons for Grade 11 Energy and Chemical Change?
Yes. Create a free account in the Adventuity portal, request a one-on-one online lesson of 60, 90 or 120 minutes (or a seat in a group class) and choose Energy and Chemical Change as your topic. You pay by EFT only after the tutor confirms the booking.