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2012
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Questions Asked on March 11, 2012

Which one of the following sentences demonstrates correct subject-verb agreement?A. A number of my friends have bought new cars
1. 14 answers
2. asked by Brenna
3. 9,249 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 5 answers
2. asked by princess
3. 27,632 views
A cyclist starts from point X and rides 3 km due west to point Y. At Y he changes direction and rides 5km north-west to point Z.
1. 2 answers
2. asked by Anonymous
3. 2,215 views
What is another way to test for hydrogen and oxygen; other than the burning splint test?My teacher gave us the hint of-
1. 0 answers
2. asked by Julie
3. 447 views
when di-n butyl ether and hot concentrated naoh react----> nor rxn .. why?when di n butyl ether reacts with na metal---> nor
1. 1 answer
2. asked by lou
3. 2,795 views
Image that the last U.S. census indicated that there is a major shift in our population where the northwest states are
1. 0 answers
2. asked by d's
3. 829 views
Melinda discovered that she took 26 heel-to-toe steps to walk in a straight line from the center of her circular garden to any
1. 1 answer
2. asked by gary
3. 432 views
My chemistry teacher said that the pCO2 value increases during hypoventilation. Why is that? If hypoventilation causes shortness
1. 0 answers
2. asked by Bobby
3. 370 views
My chemistry teacher said that the pCO2 value increases during hypoventilation. Why is that? If hypoventilation causes shortness
1. 1 answer
2. asked by Bobby
3. 453 views
CAN YOU HELP ME STUDY FOR THE PSSA.
1. 2 answers
2. asked by Celest
3. 473 views
the monthly payment that amortizes a loan of A dollars in t yr when the interest rate is r per year, compounded monthly, is
1. 0 answers
2. asked by yessi
3. 562 views
the productivity of a country in western Europe is given by the function f(x,y)=40x^4/5 y^1/5 when x units of labor and y units
1. 2 answers
2. asked by yessi
3. 884 views
Consider a system of N identical particles. Each particle has two energy levels: a groundstate with energy 0, and an upper level
1. 0 answers
2. asked by martin
3. 1,084 views
The efficiency of an internal combustion engine is given by E= (1-v/V)^0.4Where V and v are the respective maximum and minimum
1. 0 answers
2. asked by help
3. 488 views
A person heats a can of soup on a stove. If he does 250 Joules of work ON the soup by stirring it as the burner adds 1675 Joules
1. 0 answers
2. asked by angela
3. 446 views
Y is 60km away from X on a bearing of 135 degree. Z is 80km away from X on a bearing of 225 degree.(a) find the distance of Z
1. 1 answer
2. asked by Ahmed saleh
3. 887 views
The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by the following mechanism:step
1. 0 answers
2. asked by Hannah
3. 747 views
Calculate the amount of Na2HPO4*7H2O in grams needed to make 50 mL of a 0.40 M solution. I think this is dealing with molarity
1. 3 answers
2. asked by Bruce
3. 1,072 views
ln [1.70E-2] = ln(0.144) - (k s-1)(3609 s)Solve for k. I have a TI30 calculator. Am I suppose to press just the ln button or do
1. 1 answer
2. asked by Hannah
3. 492 views
I still need to check this rephrase I once wrote on Dickens' Hard Times. Thank you.1) Sissy says that her father works with
1. 1 answer
2. asked by Henry
3. 409 views
In the southern campaign launched by the British, Cornwallis lost a battle with the Americans under Nathaniel Greene at
1. 1 answer
2. asked by Anonymous
3. 446 views
f(x)=x^3-3x^2-3x-8/(-3x^2-4x-6)Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x)
1. 1 answer
2. asked by Elli
3. 1,006 views
As a growing number of producers pursue multichannel distribution, they could probably learn some lessons from the masters at
1. 1 answer
2. asked by Chase
3. 469 views
After a Melting point determination, why can't you re-use the solidified substance and capllary tube for subsequent
1. 3 answers
2. asked by Nuke
3. 3,782 views
Suppose Mercury's rotation period were three-quarters of its orbital period. How many Mercury days would ther be in a Mercury
1. 0 answers
2. asked by Linda
3. 451 views
If 100 asteriods, each of diameter of 100 km, were combined into a single object, approximately what would its diameter be?
1. 1 answer
2. asked by Andrea
3. 350 views
a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force.a) chain with a weight of
1. 1 answer
2. asked by Brandon
3. 1,339 views
In a clinical trial, a drug used to reduce blood pressure caused side effects in 6% of the patients who took it. For a new rial,
1. 0 answers
2. asked by ally
3. 546 views
3.54*10^7 g of TiCl4(g) are reacted completely. If 7.91*10^6 g of Ti(s) is actually obtained, calculate the percent yield.
1. 1 answer
2. asked by Nikki
3. 477 views
f(x)=x^3-3x^2-3x-8/(-3x^2-4x-6)Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x)
1. 1 answer
2. asked by UCI
3. 617 views
2. Let R be the region in the first quadrant bounded by the graphs of (x^2/9)+(y^2/81)=1 and 3x+y=9 .a. Set up but do not
1. 1 answer
2. asked by Taeyeon
3. 1,928 views
How do I calculate the amount of grams of Na2HPO4 and NaH2PO4 to prepare 200 mL of a buffer with an 8.25 pH so the sum of the
1. 2 answers
2. asked by Carrie
3. 809 views
How do I calculate the amount of grams of Na2HPO4 and NaH2PO4 to prepare 200 mL of a buffer with an 8.25 pH so the sum of the
1. 2 answers
2. asked by Carrie
3. 1,224 views
A space explorer is 4.6 billion km away from a certain star, and observes that the gravitational force of attraction exerted on
1. 1 answer
2. asked by Steve
3. 819 views
I had to answer the questions in the negative please check1.Hay alguien en la puerta? No, no hay nadie en la puerta. 2. Hay algo
1. 3 answers
2. asked by Tiffany
3. 593 views
Jodie bicycles 6 km/h faster than Javier. In the same time it takes Javier to bicycle 42km, Jodie can bicycle 60 km. How fast is
1. 2 answers
2. asked by Terry
3. 715 views
john has a 25 gallon fish tank. John filled his fish tank today with 24 gallons of water. the water evaporates at a rate of 1.5
1. 3 answers
2. asked by Tom
3. 524 views
Find the LCM of (7+5t),(49-25t^2), and (7t-5t)
1. 2 answers
2. asked by Terry
3. 852 views
is this a good thesis for and english research paper?With so many illegal drugs and alcohol cigarettes seem to be the only drug
1. 2 answers
2. asked by westwood
3. 679 views
what are some connotations of Hawaii?
1. 2 answers
2. asked by loren
3. 420 views
Find the area of the region bounded by the graph of y^3=x^3 and the chord joining the points (-1, 1) and (8,
1. 0 answers
2. asked by Taeyeon
3. 449 views
How do I find oxidation numbers of certain elements in compounds? I'm really confused so very simple terms would be appreciated.
1. 0 answers
2. asked by Viola
3. 618 views
Ms Sue or Damon, as Writeacher is on vacation, I really hope you can check my today's post. I still have a few other
1. 1 answer
2. asked by Henry
3. 1,034 views
2. Sketch the region in the first quadrant that is bounded by the graphs of y=x^3, y=4X , and 2x+y-3=0 that lies below both
1. 0 answers
2. asked by Taeyeon
3. 879 views
a ladder is leaning up against a wall. The ladder is 8 feet long and is 3 feet away from the base of the wall. find the angle
1. 1 answer
2. asked by abby
3. 816 views
Explain three checks and balances that are in place south africa that control and regulate madia
1. 1 answer
2. asked by Elie
3. 882 views
Three huskies are pulling a dog sled. The mass of the driver, sled and supplies is 145 kg. Snowy is pulling with a force of 83 N
1. 2 answers
2. asked by Danielle
3. 1,498 views
A parallel-plate capacitor has a capacitance of 2.1 µF with air between the plates. The capacitor is connected to a 24 V
1. 1 answer
2. asked by Tor
3. 945 views
Describe the general impact that changing demographics may have on the health care market
1. 1 answer
2. asked by Inez Williams
3. 460 views
Explain the Civil rights Movement in the US
1. 1 answer
2. asked by [Jamby]
3. 453 views
Identify two key health care-related challenges to this population such as increaes in health care costs, increases in
1. 1 answer
2. asked by Inez Williams
3. 1,224 views
Explain three checks and balances that are in place south africa that control and regulate madia
1. 1 answer
2. asked by Elie
3. 364 views
Suppose that the gravitational time dilation on the surface of a star is 1.1. What would be the escape velocity from the star?
1. 0 answers
2. asked by Andrea
3. 397 views
adam has 2 yards of fabric to make a shirt. He needs 1 foot of fabric for each arm and 3 feet of fabric for the rest of the
1. 1 answer
2. asked by Dana
3. 597 views
I have 2 problems/questions I am unsure of the answers.The first one is "how would you demonstrate the Valsalve maneuver using
1. 0 answers
2. asked by Mary
3. 395 views
How do I find oxidation numbers of certain elements in compounds? I'm really confused so very simple terms would be appreciated.
1. 0 answers
2. asked by Viola
3. 478 views
I need help writing a thesis sentence for an analytical essay about Romeo and Juliet. The topic the teacher chose is "Romeo and
1. 2 answers
2. asked by Nicole
3. 602 views
can anyone send me a website link to a Monocot and Dicot Leaf and Stem cells under a microscope? (not cross section)Also, do
1. 0 answers
2. asked by CrissyXD
3. 1,057 views
Jeff Sellers bought 200 shares of radio shack stock at $22.35. eight months later,he sold the stock at $31.76.assuming a 2%
1. 4 answers
2. asked by shawn
3. 1,180 views
Find the coordinates of the x-intercept.2x + y = -6
1. 1 answer
2. asked by Tony
3. 353 views
For the ionization of phenylacetic acid,Hc8H7O2 +H20 <--> C8H7O2- (aq) + H3o+ (aq) Ka + 4.9x10^-5 What is the concentration of
1. 1 answer
2. asked by Ken
3. 1,167 views
A good way to establish a conclusion as true, or probable, is toA)insist that you are correct. b)construct a strong argument.
1. 4 answers
2. asked by Ashley
3. 619 views
how do you say head in spanish
1. 1 answer
2. asked by Xzavier
3. 828 views
Two companies sell software products. In 2010. Company 1 had total sales of $17.2 million. Its marketing department projects
1. 0 answers
2. asked by kim
3. 1,208 views
How many mL of concentrated HCl (aq) (36.0% HCl by mass, d=1.18 g/mL are required to produce 5.00 L of a solution with a pH
1. 2 answers
2. asked by Maddie10
3. 513 views
x/8+1/6=-1/10
1. 2 answers
2. asked by Anonymous
3. 329 views
City A is 300km due east of city B. City C is 200km on a bearing of 123¤ from city B. How far is it from C to A?
1. 3 answers
2. asked by Janet
3. 2,212 views
City A is 300km due east of city B. City C is 200km on a bearing of 123¤ from city B. How far is it from C to A?
1. 2 answers
2. asked by Janet
3. 555 views
Karl Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the followingI believe it could be A
1. 7 answers
2. asked by Ashley
3. 852 views
City A is 300km due east of city B. City C is 200km on a bearing of 123¤ from city B. How far is it from C to A?
1. 1 answer
2. asked by Janet
3. 475 views
Mike receives a 9.8% raise. He currently earns $1,789.46 per month. Estimate the amount by which this monthly earnings will
1. 3 answers
2. asked by Madelyn Santiago
3. 1,517 views
I know this is easy but it's been a while for me.Calculate the osmolarity of the following: -25mM CaCl2 -100mg/dl Glucose -0.20
1. 0 answers
2. asked by Morgan M
3. 715 views
Calculate the pH of a 0.10 M NaHX salt solution. Ka (H2X) = 2.1 x 10-2 Ka (HX-) = 7.3 x 10-8Calculate the pH of a 0.10 M NaHX
1. 3 answers
2. asked by Anonymous
3. 907 views
3. Find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2 % by mass.4. A
1. 1 answer
2. asked by jhong
3. 898 views
How many grams of dry need to be added to 1.90 of a 0.800 solution of ammonia, , to prepare a buffer solution that has a of
1. 1 answer
2. asked by Abinaya
3. 394 views
Consider a solution containing 0.150 M Ba(OH)2. Calulate the pH.
1. 1 answer
2. asked by Anonymous
3. 1,032 views
a 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of
1. 1 answer
2. asked by jhong
3. 398 views
Write a program (pseudocode) that would calculate and display the results for the multiplication table for values ranging from 1
1. 4 answers
2. asked by Amanda
3. 5,718 views
The life expectancies for men and women in the United States can be approximated by the following formulas:Women: E=
1. 1 answer
2. asked by kim
3. 937 views
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from
1. 1 answer
2. asked by me
3. 746 views
outline the role team work or team building can play in the business planning process?
1. 0 answers
2. asked by student
3. 360 views
please can you make correction in my short story. i am very bad at grammar and even my parents does not khnow english well. can
1. 4 answers
2. asked by Annie
3. 529 views
What Segments Of U.S Society Were Affected By The Institution Of Selective Service System ?
1. 2 answers
2. asked by Remy
3. 436 views
The electric field between the plates of a paper-separated (K = 3.75) capacitor is 9.01X10^4 V/m. The plates are 1.95 mm apart
1. 1 answer
2. asked by Millie
3. 857 views
calculate the specific rate constantA] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0
1. 3 answers
2. asked by Kelly
3. 424 views
calculate the specific rate constantA] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0
1. 0 answers
2. asked by Kelly
3. 370 views
How many mL of 5.5 M KOH are needed to prepare 300 mL of 1.2 M NaOH?
1. 2 answers
2. asked by Amanda
3. 541 views
an electric heating element is conneceted to a 110V circuit and a current of 3.2 a is flowing through the element. How much
1. 2 answers
2. asked by kimberly
3. 1,230 views
When Nike yielded to pressure from uman rights groups and agreed to close its manufacturing plants located in developing
1. 1 answer
2. asked by Carol
3. 405 views
Calculate the correct volumes of the 0.1M acetic acid solution and the 0.1M sodium acetate solution needed to make 50mL of a
1. 1 answer
2. asked by Keighley
3. 933 views
n [1.70E-2] = ln(0.144) - (k s-1)(3609 s)Solve for k. I have a TI30 calculator. Am I suppose to press just the ln button or do I
1. 1 answer
2. asked by Hannah
3. 985 views
Mel's Furniture received an invoice dated September 27 for five bedroom sets at $3,000 each.The invoice indicated av trade
1. 0 answers
2. asked by shawn
3. 828 views
Which of the following are antiderivatives of f(x)=sinxcosx?I f(x)=(sin^2* x)/2 II f(x)=(cos^2* x)/2 III f(x)=-cos(2x)/4
1. 2 answers
2. asked by Tiffany
3. 4,611 views
Pat,a manager at State University, is deciding how to set up a procedure for registering online that gives students fair access
1. 1 answer
2. asked by Carol
3. 860 views
Mariah is planting a rectangular rose garden. In the center of the garden, she puts a smaller retangular patch of grass. The
1. 1 answer
2. asked by Austin
3. 471 views
Xenia wants to stuff a cube-shaped footstool that measures 10.25 inches on all edges. What is a good estimate of the number of
1. 1 answer
2. asked by peter
3. 550 views
I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.
1. 2 answers
2. asked by stephanie
3. 783 views
hello, please help me.A cylindrical can is being heated with its height increasing at the rate of 0.01cm/min and its diameter at
1. 2 answers
2. asked by mary
3. 560 views
If f (x) =x^3−2x^2−x+5,then the remainder of g(x)=f( f(x)) divided by (x − 2) is(a) 3 (b) 5 (c) 7 (d) 9 (e) 11?3 days ago
1. 0 answers
2. asked by nothando
3. 303 views
What are the checks and balances that are in place in south africa that control and regulate media
1. 1 answer
2. asked by Thato
3. 463 views

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