Equations

Front 1

Big 5 missing "a"

Back 1

d=vt= 1/2 (Vo + V)t

Front 2

Big 5 missing "d"

Back 2

V = Vo + at

Front 3

Big 5 missing "V"

Back 3

d= Vot + (1/2 at^2)

Front 4

Big 5 missing "Vo"

Back 4

d= Vt - (1/2 at^2)

Front 5

Big 5 missing "t"

Back 5

V^2 = Vo^2 + 2ad

Front 6

Range in X direction?

Back 6

x = Vox t (initial velocity in the x direction times time)

Front 7

Range in Y direction?

Back 7

y = Voyt - 1/2gt^2

Front 8

Velocity in the y direction

Back 8

Voy-gt

Front 9

Torque

Back 9

rFsin(theta)

LF

Front 10

Momentum

Back 10

mass times velocity

Front 11

Impulse

Back 11

change in momentum
Ft

Front 12

Work in terms of force

Back 12

Fdcos(theta)
change in Kinetic energy

Front 13

Power in terms of work

Back 13

Work/ time
(if force is in the same direction as velocity, then P = Fv

Front 14

Total mechanical energy?

Back 14

KE + PE

Front 15

Fgrav

Back 15

GM1M2/r^2
mass x acceleration

Front 16

Centripetal acceleration

Back 16

(v^2)/ r

Front 17

Centripetal force

Back 17

M(v^2)/ r

Front 18

Force of gravity on inclined plane?

Back 18

mg sin(theta)

Front 19

FN on inclined plane?

Back 19

mg cos(theta)

Front 20

Stress

Back 20

Force / Area
F/A = pressure

Front 21

Strain

Back 21

change in length/ original length

Front 22

Hookes law

Back 22

change in length is equal to FL/EA

Front 23

Density

Back 23

Mass/ volume

Front 24

Density of Water

Back 24

1000 kg/m^3
1 g/cm^3
1 kg/L or 1 kg/1000 cm^3

Front 25

Total flight time

Back 25

2 Voy/ g

Front 26

Maximum velocity

Back 26

sqr root (2 g h)

Front 27

Specific Gravity

Back 27

Density x/ density H2O

Front 28

Fbouyancy

Back 28

density of fluid x volume of submerged portion of object x gravity

Front 29

Pressure

Back 29

Force/ area

Front 30

Hydrostatic pressure

Back 30

density of fluid x gravity x depth
(and atmospheric pressure if applicable)

Front 31

Pascals law

Back 31

F1/A1 = F2/A2

Front 32

Volume flow rate

Back 32

f = Av
A= cross sectional area of pipe
v= velocity of liquid, flow speed

Front 33

Continuity equation

Back 33

A1v1 = A2v2

Front 34

Bernoulli's equation

Back 34

P1+pgY1+.5p(v1^2) = P2+pgY2+.5p (v2^2)

Front 35

Current

Back 35

Charge (Q)/ time

Front 36

Resistance

Back 36

is futile
pL/A

Front 37

Ohms Law

Back 37

V = IR

Front 38

Resistors in series

Back 38

Add them together
All have same current

Front 39

Resistors in parallel

Back 39

Add the inverses to get the inverse of the total
All have same voltage

Front 40

Power in a circuite

Back 40

P= IV

Front 41

Hooke's law

Back 41

Force of a spring = Fs
Fs= -kx

Front 42

Potential energy of a spring

Back 42

.5k(x^2)

Front 43

Period of a spring

Back 43

2π sqr root ( m/k)

Front 44

Period of a pendulum

Back 44

2π sqr root (L/g)

Front 45

Speed of light

Back 45

v = frequency x wavelength
c = 3E8

Front 46

Harmonic frequency

Back 46

fn = nv/2L
fn= nf1

closed end: ONLY ODD n's!!
n = 1,3,5,7 etc
fn= nv/4L
lambda n = 4L/n

Front 47

Harmonic wavelength

Back 47

Lambda n = 2L/n
Lambda n = Lambda/n

Front 48

Intensity of sound

Back 48

Power/A

Front 49

Speed of sound

Back 49

340 m/s

sqr root (resistance to compression/density)

Front 50

Intensity level

Back 50

10log( I/Io)

Io = 1E-12

Front 51

Beat frequency

Back 51

absolute (f1-f2)

Front 52

Doppler effect

Back 52

fd = ( v +- vd/ v +- vs ) fs

if source is approaching, frequency inc
if source is receding, frequency dec

Front 53

Coulomb's law

Back 53

Fe = K q1 q2 / r^2

Front 54

Electric field due to Q

Back 54

E = kQ/ r^2

Front 55

Electric force by a field

Back 55

F = qE

Front 56

Electric potential due to Q

Back 56

kQ/r

Front 57

Change in potential energy of electric field

Back 57

qV

Front 58

Magnetic force

Back 58

q v B sin(theta)

Front 59

Capacitance

Back 59

C = Q/V

C = EoA/d (multiply by K for dielectric)

Front 60

Potential between plates of a capacitor

Back 60

V = Ed

Front 61

Potential energy of a capacitor

Back 61

.5 QV

Front 62

Energy of a photon

Back 62

hf

Front 63

Refractive index

Back 63

n = c/v

Front 64

Snell's law

Back 64

n1 sin(theta1) = n2 sin(theta2)

Front 65

Total internal reflection

Back 65

when theta 1 is greater than theta critical

Front 66

Critical angle

Back 66

sin(theta critical) = n2/n1

Front 67

Mirror- Lens equation

Back 67

1/o + 1/i = 1/f

Front 68

Focal length

Back 68

1/2 radius of circumference

Front 69

Lens power

Back 69

1/f

Front 70

Magnification

Back 70

- i/ o

Front 71

elementary charge

Back 71

1.6E-19

Front 72

Coulomb's constant

Back 72

9E9

Front 73

Avogadro's number

Back 73

6E23

Front 74

Max number of electrons in L subshell

Back 74

4L+2

Front 75

Max number of electrons

Back 75

2 (n^2)

Front 76

Formal charge

Back 76

valence - lines - dots

Front 77

Molarity

Back 77

moles of solute/ L of solution

Front 78

Molality

Back 78

moles of solute/ kg solvent

Front 79

Electronegativity trend

Back 79

FONClBrISCH

Front 80

Strength of intermolecular forces

Back 80

ion-ion>ion-dipole>dipole-dipole(H bonds)>dipol-london>london-london

Front 81

Shape and geometry
2 bonded atoms, 0 lone pairs

Back 81

Shape= Linear
Geometry= Linear

Front 82

Shape and geometry
3 bonded atoms, 0 lone pairs

Back 82

Shape= trigonal planar
Geometry= trigonal planar

Front 83

Shape and geometry
4 bonded atoms, 0 lone pairs

Back 83

Shape= tetrahedral
Geometry= tetrahedral

Front 84

Shape and geometry
5 bonded atoms, 0 lone pairs

Back 84

Shape= trigonal bypyramid
Geometry= trigonal bypyramid

Front 85

Shape and geometry
6 bonded atoms, 0 lone pairs

Back 85

Shape= octahedral
Geometry= octahedral

Front 86

Shape and geometry
2 bonded atoms, 1 lone pair

Back 86

Shape= bent
Geometry= trigonal planar

Front 87

Shape and geometry
3 bonded atoms, 1 lone pair

Back 87

Shape= trigonal pyramid
Geometry= tetrahedral

Front 88

Shape and geometry
4 bonded atoms, 1 lone pair

Back 88

Shape= See-Saw
Geometry= trigonal bypyramid

Front 89

Shape and geometry
5 bonded atoms, 1 lone pair

Back 89

Shape= square pyramid
Geometry= Octahedral

Front 90

Shape and geometry
2 bonded atoms, 2 lone pairs

Back 90

Shape= bent
Geometry= tetrahedral

Front 91

Shape and geometry
3 bonded atoms, 2 lone pairs

Back 91

Shape= T- shaped
Geometry= trigonal bipyramid

Front 92

Shape and geometry
4 bonded atoms, 2 lone pairs

Back 92

Shape= square planar
Geometry= octahedral

Front 93

BP elevation

Back 93

kim
m= MOLALITY

Front 94

FP depression

Back 94

-kim
m= MOLALITY

Front 95

π
Osmotic pressure

Back 95

iMRT
M= molarity!!!

Front 96

Vapor pressure depression

Back 96

-(1-Xa)Pa

Front 97

1 cal

Back 97

4.2J

Front 98

q (heat)

Back 98

mcΔT
CΔT
nΔH -phase change (ΔT=0 during phase change

Front 99

-ΔH

Back 99

exothermic

Front 100

+ΔH

Back 100

endothermic

Front 101

-ΔG

Back 101

spontaneous

Front 102

Oxidation priorities

Back 102

group 1 = +1
group 2 = +2
F= -1
H= +1
O= -2
Halogens= -1

Front 103

ΔG for a cell

Back 103

-nFE

Front 104

one faraday

Back 104

96,500 C/mol e-

Front 105

-Ecell
spontaneous or non

Back 105

nonspontaneous

Front 106

+Ecell
spontaneous or non

Back 106

spontaneous

Front 107

Solubility rules

Back 107

1. All group 1 and ammonium (NH4+)
2. All nitrate (NO3-), perchlorate (ClO4-), and acetate (C2H3O2-)
3. All silver (Ag), lead (Pb), and mercury (Hg) are INSOLUBLE EXCEPT WHEN PAIRED WITH A NITRATE, PERCHLORATE OR ACETATE