Archives
2012
March

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. 27,724 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. 9,333 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. 6,519 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. 5,794 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. 4,648 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. 3,819 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. 3,099 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. 3,003 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. 2,829 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. 2,250 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. 2,246 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. 1,997 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. 1,975 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. 1,950 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. 1,705 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. 1,688 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. 1,608 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. 1,585 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. 1,559 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. 1,536 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. 1,523 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. 1,511 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. 1,461 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. 1,422 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. 1,375 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. 1,356 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. 1,316 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. 1,284 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. 1,275 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. 1,254 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. 1,252 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. 1,249 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. 1,233 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. 1,221 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. 1,189 views
Explain the three steps for measuring a variable.
1. 2 answers
2. asked by Aaron
3. 1,173 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. 1,169 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. 1,145 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. 1,126 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. 1,124 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. 1,116 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. 1,116 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. 1,100 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. 1,098 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. 1,086 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. 1,081 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. 1,076 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. 1,069 views
Consider a solution containing 0.150 M Ba(OH)2. Calulate the pH.
1. 1 answer
2. asked by Anonymous
3. 1,055 views
find the domain of the function f (x,y) = e^-xy
1. 1 answer
2. asked by maria
3. 1,054 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. 1,050 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. 1,043 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. 1,024 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. 1,023 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. 1,015 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. 1,005 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. 1,004 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. 982 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. 966 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. 966 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. 965 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. 965 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. 941 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. 940 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. 931 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. 925 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. 925 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. 912 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. 884 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. 882 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. 880 views
Find the LCM of (7+5t),(49-25t^2), and (7t-5t)
1. 2 answers
2. asked by Terry
3. 878 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. 875 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. 875 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. 873 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. 868 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. 866 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. 864 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. 851 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. 848 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. 845 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. 843 views
how do you say head in spanish
1. 1 answer
2. asked by Xzavier
3. 841 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. 826 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. 814 views
I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.
1. 2 answers
2. asked by stephanie
3. 804 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. 786 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. 783 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. 779 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. 774 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. 764 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. 757 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. 748 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. 747 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. 741 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. 740 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. 739 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. 726 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. 705 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. 694 views

Back to March 2012

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025