Gas collection methods Flashcards by orange tango

Q

Give 2 gas collection methods

A

use a gas syringe
Water displacement

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Q

How does water displacement work?

A

Trough of water with measuring cylinder above it.
Measuring cyclinder connected to testube.
As gas is produced, it will rise and push down the water.
Read by how much the water is pushed down by.

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Q

Why is water pushed down as gas is produced in water displacement?

A

Gas is more dense than water so will rise and then push it down.

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