5: Equations Flashcards
(9 cards)
1
Q
Moles of a gas equation
A
Moles = Volume (dm3) / Molar gas volume
2
Q
Molar gas volume at s.t.p ?
A
22.4 dm3 mol-1
3
Q
Molar gas volume equation
A
Molar gas volume = Volume (dm3) / Moles
4
Q
Ideal gas equation
A
pV = nRT
5
Q
Ideal gas equation units?
A
Pressure - Pascals
Volume - m³
Temperature - Kelvin
6
Q
Percentage uncertainty equation
A
percentage uncertainty = uncertainty / reading *100
7
Q
Combined Uncertainty percentage error equation
A
total uncertainty / difference in readings *100
8
Q
Percentage yield equation
A
actual yield / theoretical yield *100
8
Q
Atom economy equation
A
Mr of desired product / Sum of Mr of all products *100
