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2011
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Questions Asked on February 12, 2011

I keep thinking that 3 is the van't hoff factor for ammonium chloride, but I keep getting my answer wrong. Any ideas?
1. 2 answers
2. asked by Jess
3. 7,598 views
The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark. The axis is perpendicular to the screen. A
1. 3 answers
2. asked by alice
3. 4,937 views
what is the pH of 0.316 M KC6H5O? what is the pH of 0.245 M CH3NH3I?
1. 1 answer
2. asked by Ari
3. 4,418 views
Helium gas in a balloon occupies 2.5 L at 300.0 K. The balloon is dipped into liquid nitrogen that is at a temperature of 80.0
1. 3 answers
2. asked by Lauren
3. 3,862 views
The length of a rectangular piece of property is 1 foot more that twice the width if the perimeter is 302 feet, find the length
1. 2 answers
2. asked by dianne
3. 3,614 views
A road climbs at an 8 degree angle with the horizontal. What is the grade of the road?
1. 1 answer
2. asked by Anonymous
3. 3,203 views
Please let me know if I solved this rightThe lifetime of television produced by the Hishobi Company are normally distributed
1. 2 answers
2. asked by Holly
3. 2,755 views
How many ways can a person select four books, two CDs, and one DVD from ten books, twenty CDs, and five DVDs?
1. 1 answer
2. asked by clay
3. 2,747 views
How many of the following are true concerning balanced chemical equations?I. The number of molecules is conserved. II. The
1. 1 answer
2. asked by Cassie
3. 2,469 views
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 3.2 m/s.The
1. 1 answer
2. asked by jay
3. 2,357 views
the air in a steel belted tire is at a gauge pressure of 29.8 psi at a temperature of 20 degrees celsius. After the tire is
1. 3 answers
2. asked by Lauren
3. 2,332 views
Patty is only 7 years old, but she insists she can play basketball with a regulation-height hoop. She can throw the ball with an
1. 1 answer
2. asked by uriel
3. 2,329 views
Glycerin, C3H8O3, is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 164 g of glycerin to 325 mL
1. 3 answers
2. asked by tay
3. 2,014 views
when no more than 110 units are produced, the cost of producing x units is given byC(x)=.2x^3 - 25x^2 + 1531x + 25,000 How many
1. 4 answers
2. asked by anonymous
3. 1,721 views
A ball traveling in a circle with a constant speed of 8 m/s has a centripetal acceleration of 5 m.s^. What is the radius of the
1. 1 answer
2. asked by Tammy
3. 1,708 views
a device has a 100g wooden shuttle that is pulled along a square woooden rail by an elastic band. the shuttle is released when
1. 2 answers
2. asked by vicki
3. 1,689 views
f(x)=3-5x , (-1,8) find the slope of the tangent line to the graph of the function at the given pointhow do you figure this out?
1. 3 answers
2. asked by art
3. 1,620 views
Does the word Promethean need to be capitalized or lower case letter?It is called a promethean board.
1. 2 answers
2. asked by MM
3. 1,542 views
A rectangular box with a square bottom and a volume of 256 cubic feet is to be constructed. The top and bottom cost $ .10 per
1. 1 answer
2. asked by Amy
3. 1,469 views
How to solve for Jane (mass 40 kg),standing on slippery ice, catches her leaping dog (mass 15 kg) moving horizontally at 3 m/s.
1. 2 answers
2. asked by Cindy
3. 1,468 views
A high-speed test track for cars has a curvedsection — an arc of a circle of radius R = 1440 m. The curved section is banked
1. 0 answers
2. asked by J
3. 1,343 views
A force of gravity pulls downward on a book on a table what force prevents the book from accelerating downward?
1. 2 answers
2. asked by Jenifer
3. 1,304 views
Is this right? and how can I break it down if needed?A factory’s worker productivity is normally distributed. One worker
1. 0 answers
2. asked by Kimberly
3. 1,300 views
a field bounded on one side by a river is to be fenced on three sides to form a rectangular enclosure. there are 320 ft of
1. 1 answer
2. asked by anonymous
3. 1,291 views
find the volume of the solid formed by rotating the region enclosed by y=e^(1x+4), y=0, x=0, x=0.9
1. 1 answer
2. asked by Nimrah
3. 1,264 views
Choi deposited $2500 in a savings account that pays 4.75% interest compounded quarterly. What will be the total amount of money
1. 2 answers
2. asked by kathy
3. 1,245 views
I posted this 2 times already, and this is my third time posting.For each of examples identify financial decision you have made
1. 3 answers
2. asked by Anonymous
3. 1,191 views
calculate the enthalpy change in delta H foor heating 250 grams of liquid water from 0 degrees celcius to 100 degrees celcius.
1. 1 answer
2. asked by Bri
3. 1,182 views
Find in implicit form the general solution of differential equation dy/dx=2(e^x-e^-x)/y^2(e^x+e^-x)^4 with (y>0). I know this
1. 2 answers
2. asked by malcolm
3. 1,170 views
Andrew factored the expression 54x^3-30x^2+15x as 5x(9x^2-6x+3) but when Melissa applied the distributive law and multiplied out
1. 1 answer
2. asked by Nick
3. 1,167 views
What is the mission statement of your organization? How is this mission evidenced through the actions of the employees and in
1. 3 answers
2. asked by i
3. 1,164 views
I have to write an essay, but I need someone to make an outline so it is easier. (DO NOT write my essay. I just need an outline.
1. 3 answers
2. asked by Lumi
3. 1,155 views
V P3-10. Calculating Present Value of a Savings Fund. (Obj. 5)Hal Thomas wants to establish a savings fund from which a
1. 1 answer
2. asked by cheryl
3. 1,095 views
factor: 6x^2-13x+6
1. 1 answer
2. asked by tam
3. 1,084 views
At the other end of what would come to be known as the Roman Empire, Parthian (Persian)archers were able to discourage pursuers
1. 0 answers
2. asked by Eduardo
3. 1,077 views
I need to describe a little bunny for my English class. What are some adjectives, figurative language, and descriptive pharses
1. 2 answers
2. asked by Isa
3. 1,059 views
A chain 27 feet long whose weight is 74 pounds is hanging over the edge of a tall building and does not touch the ground. How
1. 0 answers
2. asked by Allison
3. 1,038 views
Hydraulic conductivity of soil fully saturated with water is greater than the K value for the soil fully saturated with
1. 0 answers
2. asked by ryan
3. 1,006 views
What are the different forms of RNA? what are their functions in the body?
1. 0 answers
2. asked by Chioma
3. 994 views
Solve the following rational expressions.#1 (4y-3)/8 + (3)/(4y) = (y+3)/2 #2 5/(2x-1) = 1 - (8x-16)/(10x-5)
1. 1 answer
2. asked by Chelsea
3. 973 views
Tom and Jerry were offered similar jobs at competing companies. Sony offered Tom a starting salary of $32,000 per year with a 7%
1. 3 answers
2. asked by dinahlee
3. 971 views
Picture the following:A square with 4 point charges. Charges Q are diagonal from eachother, and charges -Q are diagonal from
1. 0 answers
2. asked by Rachel
3. 950 views
Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance
1. 0 answers
2. asked by Rachal
3. 929 views
Thee area of the rectangle athletic field represented by the expressio 25y^2-4z^2 square meters. Write an algebriac expression
1. 1 answer
2. asked by Liz
3. 926 views
illustrate how government spending and taxation will impact on macroeconomics equilibrum in a closed economy
1. 1 answer
2. asked by josephine
3. 917 views
Two point charges are placed on the x axis. The charge +4q is at x=3.00 m, and the -q chargeis at x=-3.00. a) There is a point
1. 1 answer
2. asked by Rachel
3. 904 views
A 15ft ladder leans against a building and its base starts to slide down the wall. The base is moving at a rate of 5ft/sec when
1. 1 answer
2. asked by Amy
3. 887 views
factor the following expression completely 75x^4+35x^3-10x^2
1. 3 answers
2. asked by tonya
3. 870 views
For one dimensional flow, what is the flow rate in a 2.0-m long sample of clean saturated sand having a cross-sectional area of
1. 0 answers
2. asked by dan
3. 867 views
A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling
1. 3 answers
2. asked by vm
3. 859 views
How much work is required to lift a 600-kg satellite to an altitude of 4 * 10^6 m above the surface of the earth? The
1. 0 answers
2. asked by Allison
3. 838 views
how does temperature affect the time it takes to reach thermal equilibrium?
1. 1 answer
2. asked by calous --- HELP PLEASEE!!!
3. 827 views
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles per hour and train B is
1. 4 answers
2. asked by Kimi
3. 806 views
Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm.What is the
1. 1 answer
2. asked by Mike
3. 796 views
factor the expression 81x^2-54xy+9y^2 into product of binominials
1. 3 answers
2. asked by tonya
3. 795 views
Patty is only 7 years old, but she insists she can play basketball with a regulation-height hoop. She can throw the ball with an
1. 1 answer
2. asked by uriel
3. 771 views
Andrew factored the expression 54x^3-30x^2+15x as 5x(9x^2-6x+3) but when Melissa applied the distributive law and multiplied out
1. 1 answer
2. asked by Crystal
3. 748 views
Emma has decided to sign up for a new e-mail account. The program requires her to choose a password for the account that is
1. 2 answers
2. asked by Lumi
3. 732 views
A 751 N diver drops from a board 9.10 mabove the water’s surface. The acceleration of gravity is 9.81 m/s2 . a) Find the
1. 1 answer
2. asked by Anonymous
3. 723 views
A solution is prepared with an unknown compound with an empirical formula of C3H7NO.The solution is made by dissolving 30.0 mg
1. 1 answer
2. asked by Ellene
3. 714 views
If I'm writing about the Thirteen Colonies in my paper. Does Thirteen Colonies need to be capitalized.example The Learner will
1. 3 answers
2. asked by Told
3. 710 views
Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm.What is the
1. 0 answers
2. asked by John
3. 706 views
Please help I was up till 2am trying to figure this out last night, ThanksThe top selling Red and Voss is rated 70,000 miles,
1. 2 answers
2. asked by Tiffany
3. 679 views
If I have three pizzas all the same size and one pizza is cut into halves, one is cut into fourths, and one is cut into sixths.
1. 1 answer
2. $friendly fractions$ asked by friendly fractions
3. 663 views
I have a lot of trouble doing this chemistry exerciseIt says: The altitude of the lake affects the solubility of oxygen in lakes
1. 0 answers
2. asked by Tatiana
3. 654 views
Determine an equation for the total force needed to drag a box at constant speed across a surface with coefficient of kinetic
1. 0 answers
2. asked by Joshua
3. 654 views
factor out the greatest common factor from the expression 15x^5-9x^4
1. 1 answer
2. asked by tonya
3. 650 views
When some volcanoes erupt, big rocks have been measured to shoot upward with speeds of about 1000 m/s. Show that, neglecting air
1. 3 answers
2. asked by Daisha
3. 650 views
Is the following statement a malapropism? "Your reason,dear venom, give thy reason".
1. 1 answer
2. asked by Anna
3. 649 views
A pendulum clock has a heavy bob supported on a very thin steel rod that is 1.00000 m long at 18.0celcius.1 - what is the
1. 0 answers
2. asked by jake
3. 636 views
28. ¿Vas a estudiar ahora para la clase de español o para ____ de ciencias?a. uno b. el c. la d. una C? or B.. 29. Me duele la
1. 1 answer
2. asked by mysterychicken
3. 628 views
Find the smaller solution for 4x2 − 78 = 2
1. 1 answer
2. asked by uriel
3. 626 views
The head of a golf club exerts a force of 350N on a golf ball for 0.3m. The golf ball has a mass of 85g. What speed should the
1. 1 answer
2. asked by Rick
3. 620 views
If air at 30 degree c Dry Bulb temp and water vapour content(Mw)=0.015kg/kg flows over a basin containing water at 10 degree C.a
1. 0 answers
2. asked by cris
3. 615 views
General Cereal common stock dividends was $0.79 in 2000 and the last dividend paid was $1.55 per share in 2010. Dividends are
1. 3 answers
2. asked by Teresa
3. 614 views
Your friend is taking an algebra class that began after ours.Write your friend an email explaining a general strategy for
1. 3 answers
2. asked by Caitlin
3. 611 views
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. Atthe instant it reaches the top of
1. 1 answer
2. asked by Cecille
3. 607 views
On Sunday Morning while church bells rang in the village along shore the world and its mistress returned to Gastby's house and
1. 1 answer
2. asked by Cee
3. 606 views
The length of a rectangle is fixed at 27cm. What widths will make the perimeter greater than 100cm?
1. 3 answers
2. asked by Kimi
3. 600 views
The area of a rectangle athletic field is represented by the expression 12y^3+48^2+24y sqaure meters. write an algebraic
1. 3 answers
2. asked by Liz
3. 593 views
these is 0.1M HCl of 100ml of that solution in a beaker,calculate pH?
1. 2 answers
2. asked by kabelo
3. 590 views
vapor enthalpy energies kj/mol 40.66, specific heat capacities j/g degrees c s(s) 2.1, fus 6.01 enthalpy energies kj/mol 6.01
1. 0 answers
2. asked by paula
3. 590 views
Calculate the specific volume of an air-vapour mixture when the temp=30 degree Celsius, Mw=0.015 kg/kg, Pt=90kpa
1. 0 answers
2. asked by cris
3. 579 views
28. ¿Vas a estudiar ahora para la clase de español o para ____ de ciencias?a. uno b. el c. la d. una C? or B.. 29. Me duele la
1. 1 answer
2. asked by mysterychicken
3. 579 views
Max turns the handle on a pencil sharpener. This turns the wheel that turns the blades. The blades sharpen the pencil. In this
1. 3 answers
2. asked by Lex
3. 570 views
The area of a rectangle athletic field is represented by the expression 12y^3+48y^2+24y sqaure meters. write an algebraic
1. 1 answer
2. asked by Liz
3. 555 views
The equation y=1777x + 27,153 can be used to predict the number of gun deaths in the united states x years after 2000, that is,
1. 7 answers
2. asked by Kimi
3. 553 views
When properly executed, the behavior management strategy known as time-out becomes A.a positive reinforcer B. more effective
1. 6 answers
2. asked by Alex
3. 551 views
You are an artillery offcer attached to Gaius Julius Caesar's Xth Legion in the Gallic War(1st C. BCE). You are responsible for
1. 1 answer
2. asked by Roberto
3. 551 views
How do you know if someone is tracking you ??? THE Topic I am researching about is Privacy and Security.
1. 1 answer
2. asked by Sumaiya
3. 550 views
How do you solve this algebraic equation using graphing?y = 3x - 1 y = -x + 1
1. 1 answer
2. asked by Ben
3. 550 views
Can someone explain to me the second and third stanzas?She rose to His Requirement By Emily Dickenson She rose to His
1. 1 answer
2. asked by Ava
3. 546 views
The function H descibed by H(x)= 2.75 + 71.48 can be used to predict the height, in centimeters, of a woman whose humerous is x
1. 2 answers
2. asked by Kimi
3. 546 views
I forgot to include the following statements on car accidents.Thank you very much. I chose the name "Mike" as suggested to me by
1. 1 answer
2. asked by Mike
3. 543 views
Given ABCD is a squareAC = BD = 4 units Find coordinates of ABCD
1. 0 answers
2. asked by Matthew
3. 540 views
Will tosses a ball straight upward. Show that if the ball is tossed upward at 18m/s it will be in the air for less than 4s.
1. 2 answers
2. asked by Daisha
3. 540 views
Assume that a gaining stream exists in physical connection with groundwater in an unconfined aquifer. Assume that several
1. 0 answers
2. asked by mark
3. 537 views
A major-league pitcher can throw a baseball in excess of 44.6 m/s. If a ball is thrown horizontally at this speed, how much will
1. 0 answers
2. asked by Ziich
3. 532 views
which one of the following activities is considered part of health care operations
1. 1 answer
2. asked by yolanda
3. 532 views
factor completely75x^4+35x^3-10x^2
1. 1 answer
2. asked by Crystal
3. 531 views

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