Edexcel IGCSE Chemistry · Spec 3.8
Energy Changes (Required Practical)
Required practical: investigating the temperature changes of reactions.
Chemistry revision video
Energy Changes (Required Practical)
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Spec 3.8
What you need to know
- Describe an experiment to measure a temperature change
- Carry out the steps
- Decide whether a reaction is exothermic or endothermic
Active recall
Quick check
Answer each question before opening the answer.
How do you measure the temperature change of a reaction in solution?
Carry it out in an insulated cup with a lid, and record the starting and highest/lowest temperature.
What is the main source of error in this practical?
Heat lost to (or gained from) the surroundings.
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