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2012
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Questions Asked on March 11, 2012

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. 27,670 views
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. 9,295 views
Assuming the final solution will be diluted to 1.00 , how much more should you add to achieve the desired pH?Information:
1. 2 answers
2. asked by Ashley
3. 6,488 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. 5,761 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. 4,624 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. 3,796 views
An alligators tail length,T varies directly from its body length B. So an alligator with a body length of 7.7 feet has a tail
1. 1 answer
2. asked by TOTALLY lost
3. 3,076 views
16. Based on tests of the Chevrolet Cobalt, engineers have found that the miles per gallon in highway driving are normally
1. 4 answers
2. asked by tone
3. 2,978 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. 2,804 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. 2,234 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. 2,221 views
An iron wire has a cross-sectional area equal to 1.20 10-5 m2. Carry out the following steps to determine the drift speed of the
1. 2 answers
2. asked by pam
3. 1,966 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. 1,946 views
4. The equation for a demand curve has been estimated to be Q = 100 – 10P + 0.5Y where Q is quantity, P is price, and Y is
1. 3 answers
2. asked by Anonymous
3. 1,934 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 1 answer
2. asked by princess
3. 1,684 views
Use one of the identitiescos(t + 2πk) = cos t or sin(t + 2πk) = sin t to evaluate each expression. (Enter your answers in
1. 2 answers
2. asked by Kaleen
3. 1,660 views
Boron Phosphide, BP, is a semiconductor, and a hard, abrasion resistant material. It is made by reacting Boron tribromide and
1. 2 answers
2. asked by Laffy Taffy
3. 1,590 views
The odds against pats winning the election are 6:7 with these odds, what is the probablity that pat will win the election.
1. 2 answers
2. asked by karen
3. 1,568 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. 1,533 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. 1,515 views
An example of a solution that exhibits a positive deviation from Raoult’s Law (total pressure is greater than expected) is a
1. 4 answers
2. asked by Laffy Taffy
3. 1,508 views
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them.• The first cube
1. 3 answers
2. asked by Jiyeon
3. 1,478 views
Given the equation of an ellipse as5x^2+3y^2-15=0 find the centre and foci
1. 1 answer
2. asked by salome
3. 1,450 views
Pete's warehouse has a market value of $5,000,000, the property in Pete's area is assessed at 40%of the market value. the tax
1. 1 answer
2. asked by shawn
3. 1,409 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. 1,355 views
Which U.S. Supreme Court decision made it illegal to achieve diversity through the use of racial quotas?
1. 1 answer
2. asked by Anonymous
3. 1,337 views
Dry saturated steam at 100'C is passed into 250gm of a mixture of ice and water contained in a calorimeter of thermal capacity
1. 1 answer
2. asked by O.E Olaleye
3. 1,297 views
The percentage of research articles in a prominent journal written by researchers in the United States can be modeled byA(t) =
1. 1 answer
2. asked by James
3. 1,270 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. 1,251 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. 1,237 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. 1,233 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. 1,228 views
Does a dollar given to a rich person raise the rich person’s total utility more than a dollar given to a poor person raises
1. 2 answers
2. asked by snizhanna
3. 1,222 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. 1,200 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. 1,175 views
Explain the three steps for measuring a variable.
1. 2 answers
2. asked by Aaron
3. 1,159 views
This problem pertains to Cuisenaire Rods:1-white 2-red 3-green 4-purple 5-yellow 6-dark green 7-black 8-brown 9-blue 10-orange
1. 1 answer
2. asked by James
3. 1,147 views
The point (5,-2) lies on the graph of y=f(x), and assume f^-1(x) exists. Find the corresponding point on eAch graph.A).
1. 3 answers
2. asked by L.Bianchessi
3. 1,123 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. 1,102 views
AssignmentChoose a company that has experienced negative press recently about its financial dealings. Provide a financial
1. 0 answers
2. asked by sarah
3. 1,099 views
Suppose you consume three pounds of beef and five pounds of pork per month. The price of beef is $ 1.50 per pound, and pork is $
1. 1 answer
2. asked by snizhanna
3. 1,097 views
AssignmentChoose a company that has experienced negative press recently about its financial dealings. Provide a financial
1. 2 answers
2. asked by sarah
3. 1,090 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. 1,083 views
Is it possible for companies both to maximize financial value for shareholders and to act responsibly in the communities in
1. 0 answers
2. asked by Chase
3. 1,070 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. 1,068 views
Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of exerting a force of 1820 N
1. 2 answers
2. asked by jess
3. 1,067 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. 1,053 views
find the domain of the function f (x,y) = e^-xy
1. 1 answer
2. asked by maria
3. 1,047 views
The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25.00 degrees C
1. 1 answer
2. asked by Kirti
3. 1,043 views
Consider a solution containing 0.150 M Ba(OH)2. Calulate the pH.
1. 1 answer
2. asked by Anonymous
3. 1,042 views
Suppose your marginal utility for meals at the campus cafeteria this week has fallen to zero. Explain what has happened to your
1. 0 answers
2. asked by snizhanna
3. 1,029 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. 1,021 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. 1,004 views
Use one of the identitiescos(t + 2ðk) = cos t or sin(t + 2ðk) = sin t to evaluate each expression. (Enter your answers in
1. 1 answer
2. asked by Stephanie823
3. 990 views
Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show
1. 1 answer
2. asked by help please.
3. 985 views
I have a question that I don't understand from my first year chem lab.Calculate the minimum volume of water needed to decompose
1. 1 answer
2. asked by Joshua
3. 984 views
I really need to know if everything is correct in my last post. I hope someone can check it.Thank you very much, Damon. Here are
1. 0 answers
2. asked by Henry
3. 977 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. 964 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. 950 views
The point (5,-2) lies on the graph of y=f(x), and assume f^-1(x) exists. Find the corresponding point on eAch graph.A).
1. 0 answers
2. asked by L.Bianchessi
3. 949 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. 946 views
Use one of the identitiescos(t + 2ðk) = cos t or sin(t + 2ðk) = sin t to evaluate each expression. (Enter your answers in
1. 1 answer
2. asked by Stephanie823
3. 943 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. 922 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. 919 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. 903 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. 898 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. 898 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. 894 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. 872 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. 866 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. 862 views
Find the LCM of (7+5t),(49-25t^2), and (7t-5t)
1. 2 answers
2. asked by Terry
3. 860 views
i have to use pythagorean theorem to find the leg-measure of x. in the formula, x would be a^2. the hypotenuse is 11 and "b" is
1. 1 answer
2. asked by starlight18
3. 852 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. 849 views
This week you have gone to two parties. Assume the total utility you gained from these parties is 100utils. Then you go to a
1. 1 answer
2. asked by snizhanna
3. 849 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. 848 views
Determine the value for the acceleration due to gravity at the surface of the planet Mars, given the following data: Mass of
1. 1 answer
2. asked by Jake
3. 844 views
how do you say head in spanish
1. 1 answer
2. asked by Xzavier
3. 836 views
Do you agree with the following statement? “ If you like tacos you should consume as many as you can”.
1. 0 answers
2. asked by snizhanna
3. 835 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. 832 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. 832 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. 826 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. 824 views
A small plane mass 600 kg lifts off from the runway at a speed of 145 Km/Kr. 2 Minutes later, the plane has reached an altitude
1. 1 answer
2. asked by Mary
3. 801 views
I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.
1. 2 answers
2. asked by stephanie
3. 793 views
A 47.0 kg slab rests on a frictionless floor. A 18.0 kg block rests on top of the slab. The static coefficient of friction
1. 1 answer
2. asked by Andrew
3. 780 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. 761 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. 760 views
A skater of mass 74.5 kg initially moves in a straight line at a speed of 5.10 m/s. The skater approaches a child of mass 37.5
1. 1 answer
2. asked by sally
3. 759 views
17. Burger King's Drive-Through: Suppose that cars arrive at Burger King's drive-through at the rate of 20 cars every hour
1. 2 answers
2. asked by tomas
3. 751 views
Estimate the area under the curve f(x)=x^2 between x=0 and x=1 using 4 rectangles of equal width ifa) The height is taken from
1. 1 answer
2. asked by Enrique
3. 741 views
A copper penny has a mass of of 3gram. The atomic number of copper is 29 and the atomic mass is 63,5gram/mol.what is the total
1. 1 answer
2. asked by Lucia
3. 733 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. 732 views
The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 9 amperes when
1. 2 answers
2. asked by TOTALLY lost
3. 729 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. 727 views
sasha has 5 red pens and 4 blue pens in her bag. she will randomly pick one pen, keep it, and then randomly pick a second pen.
1. 1 answer
2. asked by geoffrey
3. 726 views
What inverse operation is needed for the first step in solving the equation 12+5x=22?a. addition b. subtraction c>
1. 1 answer
2. asked by peter
3. 722 views
can you check thesewrite the decimal as a percent for 0.5 i wrote: 500% write the fration as a percent round to the nearest
1. 4 answers
2. asked by marko
3. 708 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. 691 views
A ship sails 40 miles SOUTH and 15 miles EAST. Find the bearing from where it began? HELP.
1. 1 answer
2. asked by Chloee
3. 677 views

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