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26-05-2023
Chemistry

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During an experiment 80 cm' of air were passed backwards and forwards over heated copper w combustion tube. The volume of air slowly reduced to 64 cm. a) What was the purpose of the experiment? b) Why did the volume of air decrease? c) What was the observations in the combustion tube during the experiment d) Write an equation for the reaction that took place e) Calculate the percentage of gas used during the experiment?

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