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Answer each question and check where every mark went.
✓0 of 40 marks so far
Structured questions0 / 4
- 1
Question 1
Exothermic and endothermic reactions.
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10 marksOpen › - 2
Question 2
Bond energy calculations. Use the following bond energy data for all calculations in this question.
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10 marksOpen › - 3
Question 3
Petroleum, fractions and combustion. The table below shows fractions obtained from petroleum; some information is missing.
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10 marksOpen › - 4
Question 4
Extended application: energetics and electrochemistry.
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10 marksOpen ›