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2012
September
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September 17, 2012
Camphor (C10H16O) has a heat of combustion of 5903.6 kJ/mol. When a sample of camphor with a mass of 0.124 g is burned in a bomb
2 answers
asked by
Nisah
3,245 views
What is the difference between a skewed distribution and a normal distribution?
1 answer
asked by
Marie
488 views
An automobile tire is rated to last for 35,000 miles. To an order of magnitude, through how many revolutions will it turn?
0 answers
asked by
sedef
722 views
a jet travels at 435m/s how long to travel 11.4 inchs?
1 answer
asked by
Anonymous
325 views
Will you please check my answers?
1. What continents are located on a single land mass? Antarctica and Australia 2. In what
1 answer
asked by
Reed
581 views
whats the value of each variable (7x-27)(4x+12)
1 answer
asked by
Diana
437 views
nora has 1,555 on her computer .She rounds this number to the nearest ten ,to the nearest hundred,and to the nearest thousand .
1 answer
asked by
JALEEN
928 views
A topographic map would be most useful for which activity?
A. locating the name of the road where your friend lives B. finding
3 answers
asked by
some girl
347 views
if two angles are supplementery and one is 48 degrees more than 3 times the other what is the measure of the smaller angle
1 answer
asked by
heidi
384 views
What is a A topographic map
used for? thanks
3 answers
asked by
Allison
210 views
Find the difference quotient by using
f(x+h)−f(x)/h 1) f(x) = √(2x+1) answer (√(2x+1+2h) - √(2x+1))/h can you check
1 answer
asked by
jack
836 views
What is porosity and permeability?
Thanks
3 answers
asked by
Allison
465 views
if a rock undergoes high temperatures and high pressures deep within Earth, what new type of rock will be foremed? Assume that
0 answers
asked by
kaylyn
469 views
Write a 350- to 700-word paper that explains which of Erikson’s eight stages of life you believe you are currently in.
Explain
2 answers
asked by
jean
735 views
A kayak moves at a rate of 12 mph in still water. If the rivers current flows at a rate of 5mph how long does it take the boat
1 answer
asked by
ashley
1,194 views
Is latitude the up and down lines on a map?Or the side to side lines?
Thanks
4 answers
asked by
Allison
277 views
i am less than one million.The number in the left most place is a 9. The numbers in each place to the right is 2 less than the
1 answer
asked by
joshua
743 views
find the quotient show your work
9x^2-25y^2/3x+5y
1 answer
asked by
Lynn
409 views
A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s,
0 answers
asked by
Hanu
537 views
arrange 3/4, 1 1/6, 10/13, 1 1/3, 67/100 from smallest to largest
1 answer
asked by
aaron
367 views
If b varies directly as the square root of w and b equals a negative 24 when w equals 36, what is w when b is equal to 1/8?
2 answers
asked by
Trey
1,065 views
What two parts of the earth system is a paleontologist involved in?
Thanks
3 answers
asked by
drama queen
226 views
angle 2 =(4x + 4)
angle 1 - 2x what is x
1 answer
asked by
Dawson
297 views
The specific heat of graphite is 0.71 J/g oC. Calculate the energy required to raise the temperature of 1.0 mol of graphite by
3 answers
asked by
Nisah
3,229 views
Consider the reaction:
2HCl(aq) + Ba(OH)2(aq) → BaCl2(aq) + 2H2O(l) ∆H = - 118 kJ Calculate the heat when 100.0 mL of 0.500 M
1 answer
asked by
Nisah
2,803 views
a person weights 550 N rides a bike. the pedals move in a circle of radius 30 cm. if the entire wt acts on each downward moving
0 answers
asked by
Liz
398 views
a uniform meter stick is balanced at its midpoint with a single support. a 50 N weight is suspended at the 30 cm mark. at what
0 answers
asked by
Liz
922 views
A batter hits a baseball at an angle of 30 degrees with the horizontal. The ball is hit at a height of 2 m and leaves the bat
0 answers
asked by
Eric
641 views
Draw the most important resonance contributor of the following structure or compound. I'd think that the double bonded carbon
6 answers
asked by
MacKenzie
795 views
find the value of each variable (6y-16)
(4y+6)
2 answers
asked by
Diana
321 views
your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle ((r = 15.0 m) as the
0 answers
asked by
Anonymous
578 views
what is the difference between primary walls and secondary walls in plants. (specifically sclerencyma cells- which have
0 answers
asked by
sara
378 views
A vector has a magnitude of 17.6 cm and makes an angle of 150.0° with the positive x-axis. What are the x- and y-components of
0 answers
asked by
Bob
566 views
. For each of the following cases, prepare adjusting entries required of financial statements for the year ended (date of)
0 answers
asked by
loly
1,235 views
how many 1/3 inch ribbons can be cut from a piece of ribbon that is 4 and 1/3 inches long?
2 answers
asked by
kelsey
687 views
if EF=2x-10 FG=3x-9, and EG=21 find the value of x, EF, and FG
0 answers
asked by
Amanda
322 views
A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m. Determine the acceleratin of the
3 answers
asked by
Latryce
758 views
factor completely -20x^2-12x+56
1 answer
asked by
Yerxa
388 views
A sky diver of mass 68 kg jumps from a
slowly moving aircraft and eventually reaches her terminal velocity 46m/s Now consider the
0 answers
asked by
kat
671 views
A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 9 m,
y =6 m, and has velocity
1 answer
asked by
kat
684 views
I need study tips.By the way I'm home schooled.
1 answer
asked by
drama queen
517 views
f(x)=xx-x+4 what is f(x+h) - f(x) divided by h
1 answer
asked by
mike
278 views
Selena is making cookies. To make one dozen cookies, she needs 2/3 cup of brown sugar. How many cups of brown sugar does Selena
3 answers
asked by
kelsey
1,672 views
Eva invested a certain amount of money at 5% interest and $1500 more than that amount at 17%. Her total yearly interest was
1 answer
asked by
Taylor
960 views
When 47.3J of heat are added to 13.0g of a liquid, its temperature rises by 1.76C. What is the heat capacity of the liquid?
1 answer
asked by
Eliza
623 views
A girl delivering newspapers travels 2 blocks west, 1 blocks north, and then 7 blocks east.
(a) What is her resultant
1 answer
asked by
Dakota
767 views
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes
2 answers
asked by
Becca
3,451 views
What is another way of saying -27 m/s east?
1 answer
asked by
Dakota
883 views
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years.
0 answers
asked by
lala
337 views
Calculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.
Equation: Fe2O3+CO-->Fe+CO2 converted .300kg to 300g
4 answers
asked by
Ezra
6,583 views
It takes 62 mL of 0.124 M KOH to neutralize
46.7 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in
1 answer
asked by
cheri
825 views
How do i figure out this question?
There are two roads, one has a grade of 20% the other has an elevation of 15 degrees. Which
3 answers
asked by
Aj
362 views
What mass of MgSO4 · 7H2O is required to
prepare 300 mL of a 0.61 M MgSO4 solution? Answer in units of g
1 answer
asked by
cheri
726 views
28.5g of iron shot is added to a graduated cylinder containing 45.50mL of water. The water level rises to the 49.10mL mark. From
4 answers
asked by
claire
1,938 views
How many milliliters of 5.5 M HCl must be
transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of
1 answer
asked by
cheri
474 views
A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls 3.20 m before landing. Neglecting friction, how far
4 answers
asked by
S
4,574 views
. The cheetah is the fastest running animal in the world. Cheetahs can accelerate to a speed of 20 m/s in 2.5 an can continue to
0 answers
asked by
Chris
1,157 views
A person walks 13.9◦
north of east for 2.51 km. Another person walks due north, then due east to arrive at the same location.
0 answers
asked by
Shay
431 views
Please can someone answer this right now for me? What is the purpose of adding conc. HCL to the solution after cyclohexene has
0 answers
asked by
Elie
413 views
A person walks 13.9◦
north of east for 2.51 km. Another person walks due north, then due east to arrive at the same location.
0 answers
asked by
Shay
1,091 views
has anyone seen movie smoke signals? i doing english project on it, need little help
3 answers
asked by
Mohammad
356 views
An Open Box Of Maximum Volume Is To Be Made From A Square Piece Of Cardboard Twentyfour Inches On Each Side By Cutting Equal
1 answer
asked by
ciara
556 views
2. What is the importance of the concentration camps' goal of removing human spontaneity?
1 answer
asked by
Anonymous
1,106 views
A 980 kg car is pulling a 275 kg trailer. Together, the car and trailer have an acceleration of 2.12 m/s2 in the forward
2 answers
asked by
Anonymous
582 views
A 161/2ft wire is cut into 8 pieces of equal length how long is each piece
2 answers
asked by
Tam
627 views
Calculate the molality of acetone in an
aqueous solution with a mole fraction for ace- tone of 0.171. Answer in units of m
1 answer
asked by
cheri
1,047 views
The velocity vector of a sprinting cheetah has x- and y-components vx = +12.6 m/s and vy = -27.2 m/s. What angle does the
0 answers
asked by
crystal
811 views
You and your friend throw balloons filled with water from the roof of a several story apartment house You simply drop a balloon
1 answer
asked by
Kimberly
1,286 views
How many grams of sucrose (C12H22O11)
must be dissolved in 200 g water to make a solution in which the mole fraction of su- crose
3 answers
asked by
cheri
2,398 views
Can someone please help me solve this homework problem for my chemistry class.Thanks
A 4.0*10^1kg sample of water absorbs 308KJ
0 answers
asked by
Eliza
544 views
In-place fossil fuel resource statistics can be misleading because
2 answers
asked by
Joanie
358 views
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years.
0 answers
asked by
lala
339 views
In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the
0 answers
asked by
Linda
567 views
In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the
0 answers
asked by
Linda
1,040 views
Water (H20) is a liquid at room temperature and atmospheric pressure whereas hydrogen sulfide (H2S) is a gas under the same
1 answer
asked by
Travis
577 views
A sample of air contains 38.5 ìg/m3 of beryl-
lium dust. How many atoms of beryllium are present in a room with dimensions of 8
3 answers
asked by
cheri
1,055 views
Can someone please help me solve this homework problem for my chemistry class.It's my last problem and I'm stuck!:/ Thanks :)
A
1 answer
asked by
Eliza
540 views
Draw a model to represent the following quotient 2 1\2 / 2\3
1 answer
asked by
kelsey
640 views
Two masses M1 = 3.00 kg and M2 = 7.50 kg are stacked on top of each other as shown in the figure. The static coefficient of
0 answers
asked by
Kylie
397 views
A sample of 7.45 grams of NaOH is dissolved
into 609 mL of aqueous 0.250 M NaOH (as-sume no volume change). This solution is then
3 answers
asked by
cheri
1,765 views
are you an online tutor
1 answer
asked by
reese
352 views
A bus is moving at 30 m/s when the driver steps on the brakes and brings the bus to a stop in 2.6 s.
What is the average
2 answers
asked by
shelby
869 views
Which has the greater acceleration, a car that increases its speed from 50 to 62 km/h, or a bike that goes from 0 to 12 km/h in
2 answers
asked by
shelby
897 views
A car is traveling 15 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes
1 answer
asked by
shelby
1,746 views
The record for a marathon is 4 h, 36 min, 21 s. The marathon distance is 90.25 km. Determine the average speed in m/s of a
1 answer
asked by
shelby
573 views
A softball team wins 5/8 of their 32 games. How many games did they win? How many did they lose?
3 answers
asked by
Anonymous
625 views
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A
2 answers
asked by
Ezra
2,845 views
what does it mean by how many moles of the limiting reactants in sodium bia
1 answer
asked by
jane
300 views
The leg and cast in Figure P4.18 weigh 290 N, with the center of mass as indicated by the blue arrow in the diagram. The
0 answers
asked by
Anon
732 views
A passenger on a moving train tosses a coin with an initial velocity of (-2.25 m/s)x unit vector + 4.26 m/s)y unit vector (from
0 answers
asked by
grace
502 views
find an equation of the line tangent to the equation at the given point.
f(x)=5x^2 at x=10
1 answer
asked by
Jake
1,263 views
A player passes a 0.600- basketball downcourt for a fast break. The ball leaves the player's hands with a speed of 8.10 and
0 answers
asked by
wani
772 views
A hole of a radius of 1cm is pierced in a sphere of a 4cm radius. Calculate the volume of the remaining sphere.
I know that the
4 answers
asked by
John
626 views
A stone is aimed at a cliff of height h with an initial speed of v = 60.0 m/s directed 25.0° above the horizontal, as shown in
1 answer
asked by
jameson
480 views
rewrite the division as multiplication h/1/k
1 answer
asked by
juan
566 views
Hello, I need help with this question! I'm not asking for answers, I just need to know where to look to find my answer! Help me
2 answers
asked by
Maelin
2,225 views
THe equation x^2/3 + y^2/3 = 4
describes an astroid. Determine the length of the astroid by finding the length of a portion of
2 answers
asked by
John
1,978 views
1. If you became confused and did not know whether a flask contains an aqueous layer or an organic layer, how would you find out
1 answer
asked by
Cassie
766 views
hi i need help on these problems..i have tried online to do it myself but i still don't understand what they are asking...
compar
1 answer
asked by
sheila
447 views
1. I will take subway to save time.
2. I will take the subway to save time. (Which one is correct? Do we have to add 'the' before
1 answer
asked by
rfvv
399 views
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