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Questions Asked on October 7, 2011

A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the motor, and the other is an 1400
1. 1 answer
2. asked by Savannah
3. 9,565 views
aluminum sulfate and sodium phosphate Express your answer as chemical equation.
1. 1 answer
2. asked by Sarah
3. 5,087 views
Finding molarity and molality(best answer)?An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water
1. 1 answer
2. asked by sam
3. 4,834 views
Two cyclists, 36 miles apart, start riding toward each other at the same time. One cycles 2 times as fast as the other. If they
1. 1 answer
2. asked by sara
3. 4,675 views
what volume of 0.955 M HCl, in milliliters, is required to titrate 2.152g of Na2CO3 to the equivalent point?Na2CO3(aq) +
1. 2 answers
2. asked by cheryl
3. 4,601 views
The radius, r, in centimeters, of a melting snowball is given by r=50-2.5t, where t is time in hours. the snowball is spherical,
1. 1 answer
2. asked by Savana
3. 4,483 views
NaCl is soluble in water, but I2 is not. Explain
1. 3 answers
2. asked by Brenda
3. 3,331 views
Epsom salts consist of magnesium sulfate heptahydrate. Write its formula.a) How many atoms of oxygen are in 5.15g of Epsom
1. 2 answers
2. asked by Erica
3. 2,678 views
What ratio [CH3NH3+]/[CH3NH2] is needed to prepare a buffer solution with a pH of 8.60 from methylamine, CH3NH2, and
1. 1 answer
2. asked by Kasey
3. 2,668 views
I need to solve S=180n-360 for n and need to show work. Help
1. 5 answers
2. asked by Bobbi
3. 2,661 views
(x2-4xy-2y2)dx+(y2-4xy-2x2)dy=0
1. 5 answers
2. asked by amritha
3. 2,612 views
Four people(North, South, East, West) are each dealt 13 cards from an ordinary deck of 52 cards.a. If South has exactly one ace,
1. 4 answers
2. asked by Anonymous
3. 2,610 views
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math
1. 2 answers
2. asked by Liz
3. 2,537 views
A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by y =
1. 1 answer
2. asked by Caroline
3. 2,492 views
The bond in O2 is shorter than the O-O bond in compounds that contain an O-O single bond. Explain this observation.
1. 1 answer
2. asked by Caitlin
3. 2,456 views
A sample of blood is placed in a centrifuge of radius 20.0 cm. The mass of a red blood cell is 3.0 10−16 kg, and the magnitude
1. 3 answers
2. asked by Allie
3. 2,430 views
A boat propelled so as to travel with a speed of 0.50m/s in still water, moves directly (in a straight line) across a river that
1. 1 answer
2. asked by lawrence
3. 2,293 views
if a fractional distillation failed to separate two components efficiently, what alternatives would one consider to effect clean
1. 2 answers
2. asked by jon
3. 2,275 views
who is the audience in shakespears sonnet 130? who is it aimed at?
1. 1 answer
2. asked by steph
3. 2,166 views
Antimony forms 2 chlorides having widely different properties. One of the chlorides is a solid that melts at 73*C and contains
1. 1 answer
2. asked by sam
3. 2,064 views
I have two questions about these Emily Dickinson's "Wild Night"1.Which best describes the rhyme in the second stanza--internal
1. 1 answer
2. asked by Leah
3. 2,040 views
If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq
1. 3 answers
2. asked by abhishek
3. 2,003 views
A single bead can slide with negligible friction on a wire that is bent into a circular loop of radius 15.0 cm, as in Figure
1. 1 answer
2. asked by Whitney
3. 1,971 views
The air exerts a forward force of 10 N on the propeller of a 0.20 kg model airplane. If the plane accelerates forward at 5.0
1. 2 answers
2. asked by savy
3. 1,955 views
A 4.3 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What force (assumed constant) is exerted on the bullet
1. 1 answer
2. asked by savy
3. 1,828 views
In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest
1. 1 answer
2. asked by bryce tanaka
3. 1,745 views
The point P(8, −3) lies on the curvey = 3/(7 − x). (a) If Q is the point x, 3/(7 − x)), use your calculator to find the
1. 1 answer
2. asked by Nyk
3. 1,725 views
S8+4Cl2 -----> 4S2Cl2A) what mass of S2Cl2 can be produced? B) what mass of the excess reactant remains When the limiting
1. 1 answer
2. asked by Lujing
3. 1,721 views
Give the specific heat values: Au- 0.128, Ag- 0.235, Cu- 0.385. Fe- 0.449, Al- 0.903. What is the identity of a 10.0 g metal
1. 1 answer
2. asked by Elysha
3. 1,696 views
Some people have proposed building a giant elevator from Earth's surface to geosynchronous orbit. The top of the elevator would
1. 1 answer
2. asked by kendra
3. 1,682 views
What is a good website to find interesting facts? Can you please give several possible website?
1. 1 answer
2. asked by Cashton
3. 1,565 views
To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be
1. 2 answers
2. asked by Liz
3. 1,552 views
I dentify the complete adj. clause.1. Many Californians who own homes live on hillsides. A: Who own homes live on hillsides.
1. 4 answers
2. asked by Angel
3. 1,492 views
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 rev/min.(a)
1. 3 answers
2. asked by Allie
3. 1,482 views
Two packing crates of masses m1 = 10.0 kg and m2 = 6.60 kg are connected by a light string that passes over a frictionless
1. 3 answers
2. asked by Imani
3. 1,338 views
Using the breaking apart method, what is the best way to multiply 8 by 7?
1. 7 answers
2. asked by jimena
3. 1,293 views
For the equilibrium Br2 + Cl2 goes to 2BrCl at 400 K ,Kc = 7.0. 0.30 of Br2 and 0.30 of Cl2 are introduced into a 1.0 L-
1. 1 answer
2. asked by erika
3. 1,281 views
Use a temperature - composition diagram to explain why fractional distillation of two components is more easil?easily
1. 1 answer
2. asked by laura
3. 1,272 views
(Q=theta) Find the values of theta in degrees and radians without the aid of a calculator: sinQ=1/2
1. 1 answer
2. asked by Ahc
3. 1,252 views
I have a foster child (my niece) who has been through a lot in the past year. She is having huge difficulty in school. She is in
1. 3 answers
2. asked by Joanne
3. 1,212 views
After solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking
1. 1 answer
2. asked by Hazel
3. 1,190 views
What is its velocity when it returns to thelevel from which it started? Answer in units of m/s
1. 1 answer
2. asked by john
3. 1,157 views
A freight train has a mass of 1.4 107 kg. If the locomotive can exert a constant pull of 8.1 105 N, how long does it take to
1. 2 answers
2. asked by savy
3. 1,151 views
A student synthesized 6.895 g of barium iodate monohydrate by adding 30.00 mL of 5.912 x 10-1 M sodium iodate, NAIO3. 125 mL of
1. 1 answer
2. asked by Chelsea
3. 1,129 views
. Which of the following is not an early school of psychology? (Points : 1)behaviorism voluntarism nativism functionalism
1. 5 answers
2. asked by lisa
3. 1,129 views
A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2t-0.1t^2, for t in hours, 0<t<10. find
1. 2 answers
2. asked by Savana
3. 1,108 views
How do injector temperature and detector temperature affect retention time of a compound in gas chromatography?
1. 0 answers
2. asked by vivian
3. 1,091 views
A satellite has a mass of 99 kg and is located at 1.97 106 m above the surface of Earth.(a) What is the potential energy
1. 0 answers
2. asked by Allie
3. 1,080 views
What amount of energy is required to melt a 26.9 g piece of ice at 0oC?The heat of fusion of ice = 333 Jg-1 Heat required to
1. 1 answer
2. asked by tanner
3. 1,055 views
How would you solve 3/4 x 8/9
1. 1 answer
2. asked by Katy
3. 1,055 views
We read the poem "Verses Upon The Burning Of Our House" By Anne Bradstreet. I need to find text in the poem that either shows
1. 7 answers
2. asked by Anonymous
3. 1,032 views
I dentify the complete adj. clause.1. This course deals with facts that everyone should know. 2. Many Californians who own homes
1. 3 answers
2. asked by Angel
3. 1,015 views
A rope suspended from a ceiling supports an object of weight W at its opposite end. Another rope tied to the first at the middle
1. 2 answers
2. asked by lawrence
3. 993 views
Consider the following chemical reaction:NaOH +HC1 -> NaC1 + H20 When 36.5 g of HC1 are reacted with 40.0 g of NaOH , how many
1. 3 answers
2. asked by miguel
3. 990 views
an aircraft flies from point A to point B 400km on a course 040*T. It then flies on a course 160*T from B to a point C 500km
1. 2 answers
2. asked by Cindy
3. 983 views
A force of 8.7 N is applied to a steel block initally at rest on a horizontal frictionless surface. The force, which is directed
1. 1 answer
2. asked by Kayla L
3. 945 views
Carol reads four times as many pages than John. They read 40 pages together. How many more pages did Carol read than John.My
1. 1 answer
2. asked by Americal
3. 896 views
Two objects (41.0 and 20.8 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley
1. 0 answers
2. asked by Anonymous
3. 870 views
Cooper construction is considering purchasing new technologically advanced equipment. The equipment will cost $625,000 with a
1. 1 answer
2. asked by Finance Ron
3. 867 views
A football punter accelerates a football from rest to a speed of 10 m/s during the time in which his toe is in contact with the
1. 1 answer
2. asked by Imani
3. 860 views
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min.(a) Find
1. 1 answer
2. asked by Allie
3. 840 views
An ice sled powered by a rocket engine startsfrom rest on a large frozen lake and accelerates at 15.0 m/s 2 . At t1 the rocket
1. 0 answers
2. asked by Josh
3. 812 views
Information systems security?For the scenarios that follow,identify the data that would need to be protected.Recommend how you
1. 0 answers
2. asked by mike
3. 808 views
what is the sum of 3142,6328, and 4743 to the nearest thousand?
1. 6 answers
2. asked by chloe
3. 806 views
A moving 2.20kg block collides with a horizontal spring whose spring constant is 419 N/m. The block compresses the spring a
1. 4 answers
2. asked by archi
3. 802 views
A 54.9-kg ice skater is moving at 4.09 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole.
1. 0 answers
2. asked by Allie
3. 798 views
Can you use algebra to find a quadratic equation if your know the coordinates of just ONE point on its graph?Can you use algebra
1. 2 answers
2. asked by Sejul
3. 793 views
calculate the weight of copper in the Cu(NH3)4SO4 H20 you made.Mass of Cu(NH3)4SO4 H20 = 0.1140g
1. 1 answer
2. asked by sam
3. 779 views
does water in the human body helps transport waste products in and out of cells
1. 1 answer
2. asked by marnesha
3. 765 views
Two blocks (one of which is on a ramp) are attached via a string looped over a pulley. The block on the incline has a mass of
1. 0 answers
2. asked by Sam
3. 764 views
A buffer solution is 1.40 M in NH3 and 1.00 M in NH4Cl. If 0.100 moles of NaOH are added to 1.00 L of the buffer, what is its
1. 1 answer
2. asked by Haley
3. 761 views
The London eye in England is the biggest big wheel in the world. it rotates with people on it so that they can get a view of the
1. 2 answers
2. asked by bongi
3. 761 views
A woman borrows 100000 euro to improve her house. she borrows the money at 15% interest and repays it in full after three years.
1. 5 answers
2. asked by Anonymous
3. 745 views
THE ARITHMETIC PROGRESSION 2,5,8,11 AND 3,10,17,24... HAVE SOME COMMAN VALUES.WHAT IS THE LARGEST VALUE LESS THEN 500 THAT THEY
1. 1 answer
2. asked by JULIE
3. 742 views
I urgently need to check these sentences. I did the corrections myself. I just want to know if my corrections are OK.1) A
1. 1 answer
2. asked by Henry2
3. 729 views
i need to put 20 vocabulary words in a story helpp!!
1. 2 answers
2. asked by love
3. 727 views
If f(x)=x/(14 x + 11), then the domain of f includes all real numbers except
1. 1 answer
2. asked by debbie
3. 722 views
Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large
1. 2 answers
2. asked by HM
3. 718 views
Im doing a thesis statement on ADOPTION , and i wanted to know if mine was good so far.. : The majority of states (34) of them ,
1. 1 answer
2. asked by Pashen
3. 712 views
Maria bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 33km, Maria can bicycle 37km. How fast does
1. 1 answer
2. asked by Brenda
3. 712 views
If you wish to produce 100g of Iron Oxide, how many grams of Iron will you need?
1. 1 answer
2. asked by Anonymous
3. 701 views
Two blocks (one of which is on a ramp) are attached via a string looped over a pulley. The block on the incline has a mass of
1. 1 answer
2. asked by Sam
3. 697 views
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as
1. 0 answers
2. asked by Allie
3. 695 views
X = 6 cm and Z = 10 cm, what is the length of Y?
1. 1 answer
2. asked by alex
3. 695 views
I would really appreciate help with a paper i'm having mental block with!The should be a paper on a topic that is hotly debated
1. 1 answer
2. asked by keri
3. 692 views
I have started this but I am stuck I do not really understand it I need helpStakeholder Influences Programs must often cater to
1. 1 answer
2. asked by Tracy
3. 686 views
A block of mass 0.22 kg can slide on a frictionless incline (Ø = 30º) and is connected via a string to a vertical spring (k =
1. 0 answers
2. asked by Jill
3. 682 views
Hafers, an electrical supply company, sold $3,800 of equipment to Jim Coates Wiring, Inc. Coates signed a promissory note May 12
1. 0 answers
2. asked by Cher
3. 675 views
I have provided information from #3-5 in order to answer #6..3. Give the mean for the mean column of the Worksheet. Is this
1. 1 answer
2. asked by Hope
3. 672 views
At McLeod University, thirty percent of the students are in Engineering. Forty percent of Engineering students study
1. 1 answer
2. asked by Sarah
3. 663 views
A cannon ball is shot from a cannon with a horizontal velocity of 200m/s. What is the time until impact on a target 50m
1. 1 answer
2. asked by Tatiana
3. 661 views
Two blocks (one of which is on a ramp) are attached via a string looped over a pulley. The block on the incline has a mass of
1. 1 answer
2. asked by Sam
3. 642 views
In a movie a character jumps off a balcony at an angel of 25 degree 10 meters above the ground and land in a window that is 5
1. 1 answer
2. asked by jeff
3. 637 views
What is the Minoan civilization known for?
1. 2 answers
2. asked by Angel
3. 624 views
Two blocks (one of which is on a ramp) are attached via a string looped over a pulley. The block on the incline has a mass of
1. 0 answers
2. asked by Sam
3. 621 views
Calculate the final temperature of 289 of water initially at 35 upon absorption of 20 of heat.
1. 1 answer
2. asked by jasmin
3. 618 views
(Mix and Match) Instructions: choose an item from (a), (b), (c), (d) or (e) that best matches the given problem. Enter your
1. 0 answers
2. asked by Anonymous
3. 615 views
in poem Words by vern ratsala The words "studio couch" and "cot" in line 10 reinforce the contrast between the world of the
1. 2 answers
2. asked by bubba
3. 614 views
What is the function rule for input 2 output 6 input 4 output 7 input 6 output 8 input 8 output 9
1. 1 answer
2. asked by Marion
3. 611 views
an engine was used to lift up a load of 200kg to a platform 40m high in 20sec. calculate the power out put by the engine (take g
1. 1 answer
2. asked by afeez
3. 610 views

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