Important equations Flashcards

1
Q

Molar concentration=

A

moles/volume (dm^3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Moles=

A

mass/molar mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Energy=

A

Plank’s constant x frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Percentage yield=

A

(actual yield/theoretical yield) x 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Mass concentration=

A

mass (g)/volume (dm^3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Rate of reaction for an Sn1 reaction=

A

k[haloalkane]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Rate of reaction for an Sn2 reaction=

A

k[haloalkane][nucleophile]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Specific rotation=

A

(Observed rotation (degrees))/(length (dm) x concentration (g/ml))

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

ΔU =

A

U(products) – U(reactants)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Rate of reaction for an E1 reaction=

A

k[haloalkane]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Rate of reaction for an E2 reaction=

A

k[haloalkane][base]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

pH=

A

-log([H3O+])

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

pOH=

A

-log([OH-])

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pH + pOH=

A

pKw = 14.00 (at 25°C)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pV=

pressure (Pa) x volume (m^3) =

A

nRT

moles x gas constant (8.314) x temperature (K)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ka=

A

([H3O+][A-])/[HA]

Acid dissociation constant

17
Q

pKa=

A

-log(Ka)

18
Q

Kb=

A

([HB+][OH-])/B

Base dissociation constant

19
Q

pKb=

A

-log(Kb)

20
Q

Kc=

A

(([C]^c)([D]^d])/(([A]^a)([B]^b))

Equilibrium constant

21
Q

What is Kp?

A

The equilibrium constant expressed in terms of partial pressures

22
Q

Kw=

A

[H+][OH-]

At 25 °C and zero ionic strength, Kw is equal to 1.0×10−14

23
Q

pKw=

A

-log(Kw)