Equation Revision Flashcards
1
Q
What happens in Oxidisation
A
Lose electrons
2
Q
What happens in Reduction
A
Gain electrons
3
Q
How do you calc moles?
A
Mass/Molar mass
4
Q
How do you calc amount of gas
A
Volume/Molar Volume
5
Q
What is empirical formula
A
It is the simplest whole number ratio of atoms in a compound
6
Q
How to calc Atom Economy
A
Mr of desired/Mr of sum of products
7
Q
How to calc concentration
A
mass/volume
8
Q
How do you calc for molecules
A
Moles x Avragadros constant
9
Q
how to calc from cm3 to dm3
A
/1000
10
Q
What does OIL RIG stand for
A
Oxidisation is loss reduction is gain
11
Q
What is Relative formula mass
A
It is the sum of the relative atomic masses
