Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

General Chemistry ACS Exam > Equations To Remember > Flashcards

Equations To Remember Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

Density equation

A

D = m/V

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

equation with initial and final mass and volume

A

M1V1 = M2V2

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

Ideal gas law equation

A

PV = nRT

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

equation for the amount of heat gained or lost

A

q = m×s×∆T

M = mass ; s = specific heat ; Delta T = change in temperature

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

gas law having to do with pressure, volume, and temperature in initial and final amount

A

P1V1/T1 = P2V2/T2

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

q (system) is equal to…

A

-q (surroundings)

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

gibbs free energy equation

A

∆G = ∆H + T∆S

∆H = change in enthalpy (heat)
∆S = Change in entropy

∆G = Change in gibs free energy

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

equation for gibbs free energy in relation to temperature

A

∆G = -RT ln K

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

Equation for gibbs energy using standard cell potential

A

Δ G = -nFEcell

n = number of moles transfered in the reaction
F = Faradays constant
Ece

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

equation for standard cell potential

A

Ecell = (.0592/n)log K

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

Delta H equation for a chemical reaction

A

∆Hº = Σn∆Hºf(products) - Σn∆Hºf (reactants)

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

Delta G equation for a chemical reaction

A

∆Gº = Σn∆Gºf(products) - Σn∆Gºf (reactants)

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

Delta S equation for a chemical equation

A

∆Sº = Σn∆Sº(products) - Σn∆Sº (reactants)

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

equation for increase in boiling point

A

∆Tb = KbCm

Kb = constant
Cm = concentration given

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

equation for freezing point depression

A

∆Tf = KfCm

Kf = constant
Cm = concentration given

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

What does Kw equal in an entire solution?

A

[H3O+][OH-] = Kw = 1.0×10-14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

pH, and pOH equations

A

pH = -log[H3O+]

pOH = -log[OH-]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

pH + pOH = ….

A

14.00

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

pH equation in relation to pKa

A

pH = pKa + log ([Base]/[Acid])

20
Q

Ka x Kb =

A

Kw

21
Q

equation for change in energy

A

ΔE=Δm⋅c^2

Δm = change in mass
c = speed of light

22
Q

equation for rate

A

Rate=k⋅Nt

k = rate constant
Nt= concentration of the reactant or the number of par

23
Q

Half life of first order equation

A

t1/2 = ln(2)/k

24
Q

Half life of zero-order equation

A

t1/2 = [A]0/2k

25
Q

half life in second order equation

A

t1/2 = 1/k[A]0

26
Q

equation to calculate Fahrenheit from Celsius

A

F = (9/5 x C) + 32

27
Q

equation to calculate celsius from Fahrenheit

A

C = 5/9 (F - 32)

28
Q

The root mean square velocity of a molecule or atom equation

A

U = square root (3RT/Mm)

Molar mass must be in kg/mol

29
Q

Energy of a photon equation

A

E = hc/ lambda
E = hv

h = planks constant

c = speed of sound in a vacuum

Lambda = wavelength

v = frequency

30
Q

Change in energy (delta E) equation

A

= - Rh (1/nf^2 - 1/ni^2)

Rh = Rydberg’s constant

n = energy levels

31
Q

In terms of h, c, and change in energy what is the equation for lambda?

A

Lambda = hc/|delta E|

32
Q

List all the strong acids

A

HCLO4
H2SO4
HI
HBr
HCL
HNO3

33
Q

Equation for molecular speed

A

Square root of (3RT/Mm)

Molar mass is in KG/L
R= 8.3145

34
Q

Equation for molar mass from ideal gas law

A

Mm = dRT/P

35
Q

Internal energy equation

A

Delta U = q + w

36
Q

Equation for work with pressure and volume

A

W = -p • delta V

p = pressure

Delta V = change in volume

37
Q

Equation for heat (q) with heat capacity and temperature

A

q = C • delta T

C = heat capacity

Delta T = change in temperature

38
Q

Equation to find the vapor pressure, heat of vaporization, or temperature. It’s called the Clausius-clapeyron equation

A

ln(P2/P1) = (delta H vap/R)(1/T1 - 1/T2)

R = 8.3145 j/mol k

Delta vap MUST be in j/mol

39
Q

Change in internal energy equation

A

Delta U = Delta H - P delta V

Delta H = change in heat
P = pressure
Delta V = change in volume

40
Q

Integrated rate law in 0th order

A

[A]t = -kt + [A]0

41
Q

Integrated rate law in 1st order

A

ln([A]t/[A]0) = -kt

42
Q

Integrated rate law in 2nd order

A

1/[A]t = kt + 1/[A]0

43
Q

Half life equation for 0th order

A

[A]0/2k

44
Q

Half life equation for 1st order

A

.693/k

45
Q

Half life equation for 2nd order

A

1/(k[A]0)

46
Q

Solubility and pressure equation

A

S2/S1 = P2/P1

47
Q

Kp equation in relation to Kc

A

Kp = Kc (RT)^delta n

Delta n = (c+d) - (a+b)

General Chemistry ACS Exam (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions