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2010
February

Questions Asked on February 19, 2010

A 0.972g sample of a CaCl2*2H2O/K2C2O4*H2O solid salt mixture is dissolved in ~ 150ml of deionized water, previously adjusted to
1. 1 answer
2. asked by Maria
3. 1,699 views
how market prices ration goods and services among those who want them? 2 page paper
1. 1 answer
2. asked by Mike
3. 274 views
Evaluate the limit using L'Hospital's rule if necessary.lim as x goes to +infinity x^(6/x)
1. 1 answer
2. asked by <3
3. 1,537 views
This might seem silly but in the rxnO^2- + H2O --> 2OH-, can OH- behave as both the conjugate acid and the base?? Or is it one
1. 1 answer
2. asked by Angelica
3. 371 views
I need 2some goog sites with methods for studying cerebral lateralization.
1. 2 answers
2. asked by Melikah D.
3. 535 views
11110 base 2 = (?) base 10
1. 1 answer
2. asked by brad
3. 410 views
I have studied the instruction manuals of 3 Hi Fi separates units. They are:CD player Cassette tape player Cassette tape player
1. 1 answer
2. asked by Mike
3. 402 views
A prediction (educated guesses as to what the potential results may be) for each experiment listed below:1) knee-jerk reflex 2)
1. 2 answers
2. asked by David
3. 1,102 views
1. From a bag containing 5 gold and 3 red marbles that feel identical, one is drawn at random. If the first marble drawn is not
1. 1 answer
2. asked by Kesha
3. 677 views
Finding the equation of the least square line.Ex=110, Ex^2 =1540, Ey=468, Ey^2=22,434, Exy=5524.The answer is Y=1.139x+34.27. I
1. 0 answers
2. asked by Marie
3. 350 views
I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of
1. 3 answers
2. asked by Paul
3. 910 views
After World War II, farming, fishing, and other food production activities became large scale enterprises which caused
1. 1 answer
2. asked by kelli
3. 534 views
The fixed costs of oreparting a business are the costs include rent, fixed salaries, and costs of buying machinery. The variable
1. 0 answers
2. asked by liz
3. 1,033 views
You are shown five cards, Three have X written on them and two have Y. The cards are turned over so the X abd Y are no longer
1. 1 answer
2. asked by Kesha
3. 555 views
- In a normal pack of cards, write down the odds against picking each card.a) a diamond b) a jack c) a red 10 d) a black picture
1. 1 answer
2. asked by Kesha
3. 1,127 views
sentences using similes that describe waiting for a bus
1. 4 answers
2. asked by bo
3. 5,637 views
A horizontal clothesline is tied between 2 poles, 20 meters apart.When a mass of 5 kilograms is tied to the middle of the
1. 3 answers
2. asked by Lalo
3. 853 views
A horizontal clothesline is tied between 2 poles, 20 meters apart.When a mass of 5 kilograms is tied to the middle of the
1. 1 answer
2. asked by Lalo
3. 1,173 views
integration of sqrt of tan(x)
1. 2 answers
2. asked by prasenjit baidya
3. 369 views
I just wanted to know if anyone has a course syllabus for this class. I start this class very soon and I would like to get a
1. 1 answer
2. asked by Christine
3. 443 views
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to
1. 1 answer
2. asked by thommini
3. 509 views
DISCUSS THE POSSIBLE VALUES OF THETA IF THE RATIO IS COS THETA IS EQUAL TO 0
1. 1 answer
2. asked by NHLANHLA
3. 361 views
Say what energy changes are taking place:a)clockwork toy b)boy kicking soccer ball c)boiling kettle on a gas ring d)person
1. 4 answers
2. asked by Amir
3. 1,023 views
what does an A note look like?
1. 1 answer
2. asked by Cookie
3. 407 views
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -10t^2 + v*t + k gives the height of
1. 2 answers
2. asked by Martha
3. 614 views
Provide an example of one business in your area that has demonstrated accountability to people, community, and to its
1. 1 answer
2. asked by Anonymous
3. 506 views
Show that cos M(1/cosM-cosM) is equal to sin^2M
1. 1 answer
2. asked by Laly
3. 366 views
If blackbodies emit over all wavelengths will x rays be emmited by my cooker element?Which emits mostly in the infrared?
1. 1 answer
2. asked by nichola
3. 333 views
How many electrons and how many protons are in the ion Cr6+?
1. 2 answers
2. asked by Jenna
3. 5,203 views
Biologists want to set up a station to test alligators in the lake for west nile virus. Suppose that the cast for such a station
1. 1 answer
2. asked by Carson
3. 517 views
How would you set this to y=?x-4y=5
1. 3 answers
2. asked by Jessica
3. 307 views
Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular
1. 5 answers
2. asked by Jeffery
3. 794 views
19. Which is NOT a general characteristic of plants?a. use oxygen to make usable energy b. primary producers c. have specialized
1. 1 answer
2. asked by mysterychicken
3. 504 views
how do you find the slope
1. 1 answer
2. asked by sydney
3. 273 views
if 60 grams of potassium chlorate is dissolved into 100cm3 of water at the temperature of 60 degrees celsius is the solution
1. 2 answers
2. asked by sean
3. 375 views
how do you balance sucrose reacts with oxygen to yield carbon dioxide and water?
1. 1 answer
2. asked by Anonymous
3. 394 views
A toy gun uses a spring to project a 5.3 g soft rubber sphere vertically. The spring constant is 8.0 N/m, the barrel of the gun
1. 1 answer
2. asked by nate
3. 4,127 views
'A mason can build a wall in one-half the time it takes an apprentice. Together they build the wall in 12 hours. How long would
1. 1 answer
2. asked by Brenda
3. 747 views
The equation y=-1777x+27,153 can be used to predict the number of gun deaths in the US x years after 2000, that is x=0
1. 1 answer
2. asked by Eleana
3. 455 views
The sum of the co-efficients in the expansion of (1 - 2x +5x^2)^n is a and the sum of the co-efficients in the expansion of (1
1. 1 answer
2. asked by mohit
3. 377 views
The function H described by H(x)= 2.75x+71.48 can be used to predict the height in centimeters, of a woman whose humerus is x cm
1. 1 answer
2. asked by Eleana
3. 1,129 views
We have to build our website using the sites that are free. Can you giveme some good sites to create my own website?
1. 1 answer
2. asked by keysha
3. 496 views
Select all cases in which the attraction between units in the solid can best be classified as electrostatic bonding forces.CsBrO
1. 1 answer
2. asked by Scott
3. 443 views
Select all cases where the substance shown has a molecular dipole.CH4 methane CH3CH2CH2CH3 butane ICl iodine chloride H2Se
1. 1 answer
2. asked by Arron
3. 1,021 views
What happens to the value obtained for the slope if the coordinates of the two ordered pairs aren't subtracted in the same
1. 2 answers
2. asked by rmz
3. 1,125 views
Calculate the number of joules required to melt 57.4g of benzene at 5.5 degrees celsius?The heat of fusion for benzene is 9.87
1. 1 answer
2. asked by Jake
3. 2,769 views
What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton
1. 1 answer
2. asked by john
3. 353 views
What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton
1. 1 answer
2. asked by john
3. 349 views
A chunk of copper weighing 18.9 grams and originally at 97.63oC is dropped into an insulated cup containing 77.9 grams of water
1. 1 answer
2. asked by Jackson
3. 1,138 views
The width of a rectangle is fixed at 24 cm. What length will make the perimeter greater than 88 cm?I got 21 is that correct?
1. 1 answer
2. asked by Katelynn Renee
3. 398 views
(1.6x10^5)(12.7x10^4)I think it is 20.33x10^1
1. 1 answer
2. asked by pavleen
3. 380 views
(.0180x10^8)/(.36x10^3)i think it is .009470x10^5
1. 1 answer
2. asked by pavleen
3. 227 views
An angle less than 90 degree is called
1. 2 answers
2. asked by PAVLEEN
3. 929 views
The initial pressure of BrCl(g) in a reaction vessel is 1.6 mbar. If the vessel is heated to 500 K, what is the equilibrium
1. 1 answer
2. asked by Angelica
3. 628 views
I forgot to include the following statements. Thank you very much for your help.1.On the seventh of January my holidays were
1. 2 answers
2. asked by Franco
3. 570 views
Can you please check the following statements with me?Thank you very much. 1.I suggested to my mum what she should buy for my
1. 2 answers
2. asked by Franco
3. 549 views
Two long, straight, parallel wires 8.0 cm apart carry currents in opposite directions.Use the right-hand source and force rules
1. 2 answers
2. asked by Lanise
3. 1,817 views
The following information is for X Company for 2009:Direct materials purchased $ 36,484 Direct materials used 34,013 Direct
1. 1 answer
2. asked by w
3. 603 views
When 1.00 g of gaseous I2 is heated to 1000. K in a 1.00 L sealed container, the resulting equilibrium mixture contains 0.830 g
1. 0 answers
2. asked by Trixie
3. 1,185 views
Identify how each of the five core principles of NCLB 2001—strong accountability, expanded flexibility and control, methods
1. 9 answers
2. asked by GGIFT
3. 548 views
How many rectangles will fit about a point when tessellating the plane? How do you know?
1. 2 answers
2. asked by nicole
3. 417 views
A certain vinegar is 6.02% acetic acid (HC2H3O2) by mass. How many grams of HC2H3O2 are contained in a 355-mL bottle of vinegar?
1. 3 answers
2. asked by lucylu
3. 3,242 views
The Egg Problem. A certain zoo kept records of therelationship between the weight of a mother ostrich and the weight of her egg.
1. 5 answers
2. asked by rmz
3. 644 views
A solenoid is wound with 290 turns per centimeter. An outer layer of insulated wire with 200 turns per centimeter is wound over
1. 2 answers
2. asked by Lanise
3. 1,020 views
Identify the slope and the y-intercept for the line associated with the equation.5x+20y=60 20y=-5x+60 -20=-5x+60-20 y=-5x+40 is
1. 1 answer
2. asked by rmz
3. 467 views
Two long, parallel wires separated by 50 cm each carry currents of 3.0 A in a horizontal direction.Find the magnetic field
1. 1 answer
2. asked by Lanise
3. 1,430 views
A charged particle travels undeflected through perpendicular electric and magnetic fields whose magnitudes are 4000 N/C and 20
1. 1 answer
2. asked by Lanise
3. 1,265 views
If you have a chemical reaction in equilibrium and add more of the product...what happens to the product's concentration, if it
1. 1 answer
2. asked by Connie
3. 983 views
An electron travels at a speed of 4.0×104 m/s through a uniform magnetic field whose magnitude is 1.4×10−3 T.What is the
1. 4 answers
2. asked by Lanise
3. 1,354 views
Give the equation of the circle with the given center and radius:Center at (1, 2) Radius is 1/2 I know that you are to use
1. 1 answer
2. asked by rmz
3. 404 views
Garden Area Problem. A designer created a gardenfrom two concentric circles whose equations are as follows: (x+2)^2+(y-6)^2=16
1. 3 answers
2. asked by rmz
3. 986 views
what is the proper term whenn your being used as a human guneia pig? i can not remember please help???????? thanks
1. 1 answer
2. asked by bobbi
3. 331 views
Hey I am doing a Process Analysis assignment. I chose "How a magician saws a woman in half"I need some help in finding
1. 1 answer
2. asked by Ren
3. 663 views
how do you solve a dilution problem, this is chemistry
1. 2 answers
2. asked by marisa
3. 580 views
how much work is done by a crane that lowers 1000N of material 150m?
1. 2 answers
2. asked by liz
3. 799 views
a 15-in. tv set has a width of 12 inches. what is the height?
1. 1 answer
2. asked by Anonymous
3. 428 views
if john has 56789 pens and steve has 23 times that amount how many does steve have?
1. 1 answer
2. asked by chanquilla
3. 936 views
if you are riding a horse do you live or work in the peidmont region,why or why not?
1. 1 answer
2. asked by chanquilla
3. 941 views
what percent is 3 out of 35what percent is 9 out of 34 what percent is 24 out of 33
1. 1 answer
2. asked by Mattie
3. 453 views
If you have a soln of HNO2 at equilibriumHNO2 (aq) + H20 (l) <-->H3O+ (aq) + NO2- (aq) and water is added, is there a shift in
1. 0 answers
2. asked by Tommy
3. 594 views
Store A usually sells a jacket for $72 but today I can buy it for $40. Store B usually sells the same jacket for $38 but today I
1. 1 answer
2. asked by pavleen
3. 719 views
I need to find heat of vaporization. The liquid starts to vaporize at 110 degrees C and there is 10 g of the liquid. I don't
1. 1 answer
2. asked by jp
3. 476 views
Please help me on these questions:3. The soil of much of the steppe region of Northern Eurasia is a. very fertile and
1. 3 answers
2. asked by y912f
3. 606 views
To what speed must an electron be accelerated for it to have a wavelenght of 3.0cm?
1. 2 answers
2. asked by john
3. 716 views
It was mentioned that the rates of many reactions approximately double for each 10 °C rise in temperature. Assuming a starting
1. 1 answer
2. asked by Pavleen II
3. 545 views
The vapor pressure of CCl3F at 300 K is 856 torr. If 11.5 g of CCl3F is enclosed in a 1.0 L container, will any liquid be
1. 2 answers
2. asked by Elizabeth
3. 1,664 views
39. A) Identify a producer, herbivore, omnivore, and carnivore [in the ocean], explaining their roles in the path of energy
1. 3 answers
2. asked by mysterychicken
3. 2,324 views
how do i calculate a concentration ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+given at 25 C and pH7 E(mV) as 100 and
1. 0 answers
2. asked by lucy
3. 459 views
I need help in doing a sentence outline on the leaglazation of marajuana
1. 1 answer
2. asked by christy
3. 430 views
#50. What were the factors that played a significant role in the collapse of Russian control over Eastern Europe?my answer:
1. 4 answers
2. asked by y912f
3. 722 views
A 2.50 g sample of a hydrate of calcium sulphate losses 0.523 g of water when heated. Determine the mass percent of water in the
1. 3 answers
2. asked by thao nguyen
3. 3,593 views
What is the fromula to calculate the volume of a washer?
1. 1 answer
2. asked by Tom
3. 367 views
dear ms. sue what is a propositional phrase
1. 1 answer
2. asked by alison
3. 448 views
An angle more than go but less than 180 is called
1. 3 answers
2. asked by PAVLEEN
3. 440 views
Can you tell me what this sign means^
1. 2 answers
2. asked by mike
3. 382 views
Could you check this please thanksPart 1 Directions: Au téléphone: Complétez en utilisant les verbs entre parenthèses. 1. Je
1. 0 answers
2. asked by Lisa
3. 551 views
need help with thermal energy any one can help me
1. 3 answers
2. asked by Darneisha
3. 181 views
Potassium chloride crystallizes with the rock salt structure. When bathed in X-rays, the layers of atoms corresponding to the
1. 1 answer
2. asked by meherpreet
3. 501 views
so is 9 out of 34 26.4%
1. 1 answer
2. asked by Mattie
3. 273 views
[Continued from my last post]B) Explain where a detritivore and a decomposer could enter this path. Explain what they feed on on
1. 0 answers
2. asked by mysterychicken
3. 1,000 views

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