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Heat energy changes in chemical reactions

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Question 49

A student uses the apparatus shown below to compare the temperature rise produced in water when methanol burns with the temperature rise produced when propanol burns. Diagram of a calorimetry experimental setup showing a copper calorimeter filled with water, suspended by a clamp above a spirit burner containing liquid fuel. A thermometer is placed inside the water, and draught shields are positioned on either side of the setup. State two variables that the student must keep the same in both experiments to ensure a fair comparison.

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Heat energy changes in chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Heat energy changes in chemical reactions

Practise Edexcel GCSE Chemistry Heat energy changes in chemical reactions with exam-style questions for Foundation and Higher tier. 130 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank