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Heat energy changes in chemical reactions

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Question 10

The apparatus in the diagram can be used to investigate the temperature rise produced in a known volume of water when a sample of propanol is burned.

Diagram of a simple calorimetry setup: a glass beaker containing water is supported on a tripod and gauze above a spirit burner containing propanol. A thermometer is suspended in the water.

The first steps of the method are:

  1. Put 150 cm3 of water into a beaker.
  2. Determine the initial mass of the spirit burner containing propanol.
  3. Measure the initial temperature of the water.
  4. Place the burner under the beaker of water.
  5. Light the wick.

Describe the remaining steps of the method that are needed to determine the mass of propanol required to raise the temperature of the water by 25 ∘C25\text{ }^{\circ}\text{C}25 ∘C.

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Heat energy changes in chemical reactions Questions

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

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