Equations Flashcards
1
Q
Moles
A
Moles = Mass / Mr
2
Q
Concentration (mol/dm)
A
Conc = Moles / volume
3
Q
Ideal gas equation
A
pV = nRT
4
Q
Ideal gas equation units
A
P = pressure = pa
v = volume = m^3
n = moles
r = 8.31
T = temperature = kelvins
5
Q
Ideal gas equation conversions
A
V
Metres to centimetres divide by a million
P
Kpa to pa times by 1000
T
Degrees to kelvins add 273
Mass
1 Tonne = 1000kg
6
Q
Atom economy
A
Mr of desired product
—————————- x 100
Sum of me of all reactants
7
Q
% Yield
A
Actual yield
————————. x 100
Theoretical yield
