A hand warmer reaction raises the temperature of its surroundings from 18.5 °C to 32.0 °C. A cold pack reaction lowers it from 18.5 °C to 9.0 °C.
Calculate the temperature rise caused by the hand warmer.
[2 marks]Edexcel GCSE Combined Science · Foundation · Chemistry Paper 2
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This is our AQA Combined Science Trilogy (8464) course. It teaches the content Edexcel 1SC0 shares with it; our questions follow AQA's layout.
One Chemistry Paper 2 question. See each mark, then try a fresh one.
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Edexcel GCSE Combined Science Foundation, Chemistry Paper 2
- 1SC0/2CF
- 1 hour 10 minutes
- 60 marks
- Key concepts, groups in the periodic table, rates and energy changes, fuels and Earth science
6 papers · 360 marks. Each paper tests its own topics. Topic 1, the key concepts, can come up on both papers in a science. Questions here are original practice, not past papers.