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Collecting Gas

All gases can be collected using a gas syringe.

How is a Gas Syringe used to Collect a gas?

The gas syringe is connected by a tube to the flask that
is giving off the gas as shown in the picture below.

Collecting Gas using a Gas Syringe

The gas syringe has marks along its length
that allow the volume of collected gas to be measured.
As the volume of collected gas increases
the plunger moves further out of the syringe.

Full Gas Syringe

The volume of collected gas can be measured in time as it
increases and a graph of volume against time can be plotted.
This can be used to show the rate of the reaction.

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