Required Practical 4: Temperature changes in reactions

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7 Terms

1
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What is the purpose of the temperature change practical?

To investigate how different variables (e.g. concentration) affect the temperature change in reacting solutions.

2
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What is the independent variable in this practical?

"The variable changed

3
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What is the dependent variable in this practical?

Temperature change observed during the reaction.

4
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What are control variables in this practical?

"Volume of reactants

5
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Give an example reaction used in this practical.

Neutralisation of HCl with NaOH.

6
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What equipment is used in the practical?

"Polystyrene cup

7
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Why is a polystyrene cup used?

It insulates and reduces heat loss to the surroundings.