Equations Flashcards
1
Q
Avagardos constant
A
6.022 x 10 ^23
2
Q
Number of moles
A
Mass (g) / mass of 1 mole
3
Q
Concentration
A
Number of moles/ volume (dm^3)
4
Q
Number of moles in solution
A
(Concentration x volume(cm^3) ) /1000
5
Q
Ideal gas equation
A
PV=NRT
6
Q
P in ideal gas law
A
Pressure
7
Q
V in ideal gas law
A
Volume
8
Q
Gas constant
A
8.31
9
Q
N in PV=nrt
A
Number of moles
10
Q
T in PV=NRT
A
Kelvin
11
Q
Formula for number of moles in PV=NRT
A
N=PV/RT
12
Q
What is a isotope
A
Same number of protons and differing numbers of neutrons
13
Q
Relative atomic mass
A
Average mass of 1 atom / 1/12 mass of 1 atom of carbon 12
14
Q
Relative molecular mass
A
Average mass of 1 molecule / 1/12 mass of 1 atom of c-12
