Description
Study Soup
Exam Review #
1.1. Be able to understand Scientific notatione
engineering notation, significant figures 2175 Ex: Standard scientific Enginering w/Prefix a are very
43,480,000 4.348 X 10' 43.48 x 106 43.48 More a simple & you a Shouldnt Engineering notation ### ### x10^ must bean & Spend much
Interger multiple of 3. time revienanal
these 17.2. Know types of dimensions
7.3. know how to do simple conuersions 7.4 Multistep conuersions 17.5 : Converting volume, length, etc. Don't forget about the age old question of What is current cure for schizophrenia?
Study
7.6. Denued Dimensions
Ex. Velocity = Distance = Moters =
Time sel Example: Determine dimensions of (a) Ibon
solution: (a) Iban mass.
$43 ft 3 = length?
 Length
time (1) slug
23
(b)
(c)
slug = lbm  mass. h hours
La liters. IL = 0.0353 ft 3
Therefore ft3 = L3 min T
StudySoup
= atm L
: DRT. What are the dimensions? n= mol Don't forget about the age old question of What are the roles of advertising?
We also discuss several other topics like What is the human leukocyte antigen complex?
mot) am .L .x IR = aim L/molok
mot. K Te tempink L= ft2 = L2 ?
atm kolmsa = MILTO
Stue Don't forget about the age old question of What are the three main classes of membrane proteins?
L2M . This is equinaunt to energy
ت كن لتصل
Studs
11 Equation s.
plus Law: anything added or subtracted in an equation
must Kale Carme dimensions unit law Every team in equation must have same
units so addition & subtraction can becamed out I fer law. Dimensions & units are treated wisame
operation rules if they were added or divided c Examples : check the dimensions of time a distancias distances
05.queleration A Disnegaid(a) See = /mm » I 0.5 sinu no We also discuss several other topics like What did the earliest ocean look like on earth?
units
V . I T=JT 2
T=TV Dimensionally ci mect 2. Where v= ft/s
PE=J Haft
sp=91cm2 units slf.f > f = 1kqma
m
Study
Ub If you want to learn more check out How does language influence our perception of others?
Plug in
sa

sa
ft 
kamp.com
cm3
sa
ft g
Study Soup
Stud
7.8 : Comunions within Equations
Simply be able to conuer an equation comectly so
all the units can canul out Ex km  km.h h
Study Som
16.1: Fore.
# F = ma
Stud Sour
sa
Study Soup
(
Eldbollene 18.2. Weight
A W = mog Weight is a force
g= 9.50 misa on Earth Mass is fixed weight depends on the gravitational fone "gli or the planet you are on.
kg misa
dyso
A
) Study Soup
Example?
8.3 Density
m mass
X = (2weight  volume
 volume Speutic
Weight inen volume of 55 gals Density = 19 l What's
the weight at the H or in lbs / cm3 0 = M 19  14 Mass = 2083339. 55901 L ime tam 12083330m3
1 10264784 1032 Inak To wa mig W 208333 kg Isomes o N 102a51bf 4600
W= 204 19 N
Study
V
Study Soup
StudySous
Study Soup
A
Element #
B. 4 Amount
M m grams (mass)
n  mols molecurar
Element #1
# of x atomic QUDIOS mass of
element
Study SOUT
#atoms
• Atpam I mass
mou
Study Son
& etc
8.5. temperature
*
F = 9 [C] +32
coScFo3a).
h = Co+273
R = Four 460 These are used to CONVERTI wed only for a SA 100 = lof Fox 1°C = temperature & 1 R = FO
CHANGE
1k
goc
Example: specific heat is 0.385 J Express this in
16m Fo T0 0.385 J 1 102 g Kali Q.
qua Ilg T2.205.16m 1.80 F 8. ()  PreAJO
97
☆ P = (Pa)
E fone A area
Labsolute
o
Patmosphene
Study Soup
# Hydrostatic
Pressure (P Hydro
heigh tom) : Density 9.80 mis ?
To Ptotal = P surface & Prydro
I total = p surface t op.it
ou
Studysoup
studySoup
Soup
Study SOUT
Example:
Su = 0.75
in atm?
lepth =3m What's the total pressure
Study Sous
0 sowe for Density
Sh2 labi 0.75
SHO
Laby
pobj =
20.
0.15g
Lqlim3 T
Stue SOUS
Vuuri
3 Formula
Ptotal & Psurface + palt assume Psurface  I atm & sole for p Hydro in atm
= 10.75g 19.8om
L cm3
Sa A some in Pa then convert to atm.
Ira = Kg 0.759 1 kg lem? z 750
msa cm3 1 103 9 100m Phyd = 1750kg 89.som ny  22650 pa
Imel sol 0 22050 Ral atm = 0.2176 atm
1101325 pa 6 Ptol = larm & 0.2176atm.
= 1.218 atm
() StudySou
18.7 has pressure
+ PD=ORTI
2
8314 Pal
moll
on 0.08206 artma
molk
atm
2
mol
Study Sous
Study Soup
Examples hillen 8L of Ng (Formula weight = 289/mol
I a a pressure of 1.5 atm at 310k.
If pressure increases 5 atm, What's the new vulin L2 Pressure increases, so the volume must derrease.
O Analyze.
Stud
dysoup
Study Soup
(
Study
StudySound
12 plug in known
Pv=nRT 4.5) (8) = n(0.08206) (310) (0.08206)(210) 0 2106310
n= 0.4710 0 Solue for new volume
Ru=ART
V = 10.471260.08206 (310)
(5 atm  new pressure V= 2.45 L
study sou
18.8 Energy
A
PE = mgaH
& & E=
I mva was
HONO
Studysot
* WEAX
 I Distance * Q = m (CDAT Thermal specifics
& Eneray is in
Joules
Studs soup
Study Soup
B. 9 Power & P = & Energy
 time power
units
for P = Watts [w]
Study Soup
v sou
Studs
8.10 Efficienu i n = Pout & Pin = Ploss & Pout
Pin to thout = Quantity needed to operate mechanism The output = Quantity actually applied to task TA 2050 = Quantity wasted during application
Stey Soup
stud soup
Wheneuer you are given the "rating" in a problem,
that's is the Pin. Examples . (a) Ginen Pin = loow. How long inh
must 300,000 J be transfe me dit
the process is 80 Efficient o we know
P = and we are asked for "+" The
t appropriate formula is
coup t = & © We are willen Energy (300,000 3)
We must some for power [W] 6 Pin= 100W n = Pout Pin
n = 80%
Pin Pin Pout = ?
Pout= 10.80) Coow)
Pout = 80W 14 t = {
Pout oup
t= 300,000  3750 sec Ihr 1.04h
Sow
136oosec (b) hinen m = 50 kg, raised 5m in sosec
what's the minimum Wat tage (Power)
of the motor ginen it's so 10 efticient we must calculate Energy, It's potential since
the load is not moving
Study Soul
@ StudySoup
2450
Jones
0
PE=moa AH "PE=50kg 9.80m. 5m
) sa Joue for Pout ginen time
Pout  &  9450
Solec
49 W
V sou
13 sine
n =
then
pin = Pout
lout Pin
n
Pin 
496
61.25 W
Stue
Study Soup
StudySoup
Studysowy
@ Study Soup
StudySoup
Study Soup