U1-1-3 - Monitoring Rate Flashcards
1
Q
Name this piece of equipment
A
Gas syringe
2
Q
Name two ways to collect a gas.
A
Inverted measuring cylinder filled with water
Gas syringe
3
Q
When is it not possible to use the method shown to collect a gas?
A
When the gas is soluble in water.
4
Q
Sulfur dioxide gas is very soluble in water.
What method can you use to collect it?
A
Gas syringe
5
Q
Why does reaction rate decrease as a reaction goes on?
A
Because reactants get used up
6
Q
What can we measure over time to draw a rate graph for a reaction?
A
Any one of:
Mass (of the reaction mixture)
Volume (of gas made)
pH (of acids/alkalis used)
7
Q
The endpoint of a reaction is reached when the reaction is ____.
A
complete
