Change in Mass (Usually Gas Given Off) Flashcards
1
Q
What can measuring the speed of a reaction that produces a gas be carried out on?
A
A mass balance
2
Q
As the gas is released…
A
The mass disappearing is easily measured on the balance
3
Q
The quicker the reading on the balance drops…
A
The faster the reaction
4
Q
What can you say when the mass stops changing?
A
The reaction has finished
5
Q
Why is this the most accurate of the three methods?
A
The mass balance is very accurate
6
Q
What is its disadvantage?
A
If releases the gas straight into the room