Important equations Flashcards
1
Q
Molar concentration=
A
moles/volume (dm^3)
2
Q
Moles=
A
mass/molar mass
3
Q
Energy=
A
Plank’s constant x frequency
4
Q
Percentage yield=
A
(actual yield/theoretical yield) x 100
5
Q
Mass concentration=
A
mass (g)/volume (dm^3)
6
Q
Rate of reaction for an Sn1 reaction=
A
k[haloalkane]
7
Q
Rate of reaction for an Sn2 reaction=
A
k[haloalkane][nucleophile]
8
Q
Specific rotation=
A
(Observed rotation (degrees))/(length (dm) x concentration (g/ml))
9
Q
ΔU =
A
U(products) – U(reactants)
10
Q
Rate of reaction for an E1 reaction=
A
k[haloalkane]
11
Q
Rate of reaction for an E2 reaction=
A
k[haloalkane][base]
12
Q
pH=
A
-log([H3O+])
13
Q
pOH=
A
-log([OH-])
14
Q
pH + pOH=
A
pKw = 14.00 (at 25°C)
15
Q
pV=
pressure (Pa) x volume (m^3) =
A
nRT
moles x gas constant (8.314) x temperature (K)