U1-1-1 - Monitoring rate
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What can be used to collect a soluble gas?
Gas syringe
Why does the reaction rate decrease as the reaction goes on?
The reactants are getting used up.
During a reaction, the mass of gas produced was measured in g. Time was measured in s. Average rate will have units of …
g s−1.
What can be used to collect an insoluble gas?
Inverted measuring cylinder (shown), gas syringe
During a reaction, the volume of gas produced was measured in cm3. Time was measured in min. Average rate will have units of …
cm3 min−1.
Name this piece of equipment
Gas syringe
What is wrong with this diagram of a measuring cylinder?
No graduation marks (see correct version shown)
This can be measured to monitor rate without collecting a gas
Mass (loss)