equations Flashcards
1
Q
moles (solids)
A
=mass/Mr
2
Q
moles (solutions)
A
=conc x volume
3
Q
moles (gas) in standard conditions
A
volume/24dm^3
4
Q
pV
A
=nRT
5
Q
unit for p in pv=nrt
A
pascals (p)
6
Q
unit for volume in pv=nrt
A
m^3
7
Q
unit for temperature in pv=nrt
A
Kelvin (K)
8
Q
q=
A
mcΔt
9
Q
ΔH=
A
-q/n
10
Q
%error
A
=(uncertainty in equiptment x no uses/ measured value) x 100
11
Q
%yield
A
=(actual yield/theoretical yield) x 100
12
Q
atom economy
A
=mr of desired products/mr of all products
