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2010
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Questions Asked on April 8, 2010

What is the complete ionic equation for CaS(aq) +CuCl2(aq)=CuS(s)+CaCl2(aq)
1. 4 answers
2. asked by lupe
3. 15,744 views
At a college bookstore, Carla purchased a math textbook and a novel thjat cost a total of $54, not including tax. If the price
1. 2 answers
2. asked by David Nipp
3. 5,885 views
A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the
1. 2 answers
2. asked by MILEY
3. 4,481 views
In the figure below, a constant horizontal force Fapp of magnitude 18 N is applied to a wheel of mass 12 kg and radius 0.50 m.
1. 2 answers
2. asked by Jordan
3. 4,043 views
Calculate delta H for the formation of one mole of N2O5 from the elements at 25 degrees C using the following data.2H2 + O2 -
1. 4 answers
2. asked by Anonymous
3. 3,800 views
A reaction of 1 L of chlorine gas (Cl2) with 3 liters of fluorine gas (F2) yields 2 liters of a gaseous product. All gas volumes
1. 2 answers
2. asked by Anonymous
3. 3,646 views
This is the 2nd body paragraph for my Romeo and Juliet essay about fate. Can you please read over it and please give me your
1. 6 answers
2. asked by Verlee
3. 3,597 views
The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given byC= (a/q) + b where a and b are
1. 2 answers
2. asked by joelle
3. 2,996 views
What are Friends For-by rosellen brownWhat are friends for, my mother asks. A duty undone, visit missed, casserole unbaked for
1. 3 answers
2. asked by Sara
3. 2,865 views
Some students want to order shirts with their school logo. One company charges $9.65 per shirt a setup fee of $43. Another
1. 8 answers
2. asked by David Nipp
3. 2,675 views
A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the gas
1. 2 answers
2. asked by MILEY
3. 2,605 views
what volume of oxygen gas is needed to completely combust 0.202 L of butane (C4H10) gas?
1. 2 answers
2. asked by mary
3. 2,588 views
Two bumper cars collide and then move away from each other. How do the forces the bumper cars exert on each other compare?
1. 5 answers
2. asked by Parker
3. 2,376 views
With time, t, in minutes, the temperature, H, in degrees Celsius, of a bottle of water put in the refrigerator at time t=o is
1. 1 answer
2. asked by piper
3. 2,343 views
Select all of the answers that apply.Some rules to remember when reading topographic maps are _____. 1)the elevations of contour
1. 4 answers
2. asked by george
3. 2,246 views
which piont lies on the line defined by 3x+6y=2?a (0,2) b (o,6) c {1,-1/6} d {1,-1/3}
1. 2 answers
2. asked by jen
3. 2,099 views
starting from carbon what occurs to the ion charge as u move it to right?In my periodic table Carbon does not have a charge at
1. 2 answers
2. asked by Sara
3. 2,070 views
What colors would you expect to see in a flame for the following compounds: potassium chloride, potassium nitrate, and potassium
1. 3 answers
2. asked by Sarah
3. 2,070 views
how much heat is required to vaporize 343 g of liquid ethanol at its boiling point?
1. 2 answers
2. asked by Anonymous
3. 2,025 views
find the number of possible choices when you choose one item from each category.1. 3 hats, 7 shirts, 13 scarves 2. 6 pens, 2 nbk
1. 4 answers
2. asked by Jane
3. 1,868 views
A ball of mass m at rest at the coordinate origin exploded into three equal pieces. At a certain instant, one piece is on the
1. 2 answers
2. asked by Student
3. 1,848 views
A metal oxide reacts with water to produce a metal hydroxide. What additional information would you need to determine the
1. 4 answers
2. asked by Marc
3. 1,718 views
16x^2+16y^2-16x+24y-3=0How do I solve this?
1. 5 answers
2. asked by Soto
3. 1,675 views
"For which of the following equations is the value of delta H equivalent to the bond enthalpy for the carbon-oxygen bond in
1. 2 answers
2. asked by Stuck
3. 1,674 views
will the following reaction take place nh3+h2o= nh2 + h3o
1. 2 answers
2. asked by wendy
3. 1,653 views
The half-life for radioactive decay of 14C is 5730 years (it emits β-particles with energyof 0.16 MeV). An archaeological
1. 3 answers
2. asked by Zoa
3. 1,652 views
Determine the mass of gold that can be extracted if 25.0g of sodium cyanide is used.4Au+8NaCN+O2--->4NaAu(CN)2+4NaOH
1. 1 answer
2. asked by Lauren:)
3. 1,644 views
some ordered pairs for a linear function of x are given in the table below.x y 1 1 3 7 5 13 7 19 sorry im not good at tables
1. 1 answer
2. asked by eva
3. 1,644 views
the ratio of strings to woodwind instruments in a baroque orchestra is 5:3. if there are 24 instruments in total, how many
1. 2 answers
2. asked by mimi
3. 1,585 views
Sketch the region enclosed by x+y^2=42 and x+y=0.Decide whether to integrate with respect to x or y, and then find the area of
1. 1 answer
2. asked by lssa
3. 1,554 views
Why might price collusion occur in oligopolistic industries? Assess the economic desirability of collusive pricing. What the
1. 6 answers
2. asked by Erick
3. 1,519 views
How would I solve this:-A particle moves along a line so that, at time t, its position is s(t)=8 sin2t. a) For what values of t
1. 1 answer
2. asked by Terry
3. 1,515 views
Graph the inequality on a plane. y>5x.I think that it should be a dashed line that should be a horizontal line but I'm not
1. 1 answer
2. asked by B.B.
3. 1,495 views
A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope
1. 3 answers
2. asked by eva
3. 1,468 views
noel and renaldo want to rent bikes with two other friends. they have $150 to spend on bike rentals.bike rentals rent 1 bike for
1. 9 answers
2. asked by jace
3. 1,462 views
A stoppered flask at 25 C contains 250 mL water, 200 mL octanol, and 50 mL of air. An unknown mass of o-xylene is added to the
1. 2 answers
2. asked by Laura
3. 1,431 views
How many grams of oxygen are required to react with 0.128 lead(II) sulfide?
1. 1 answer
2. asked by jeff
3. 1,399 views
A rule of thumb used by car dealers is that the trade-in value of a car decreases by 30% each year. That is, the value at the
1. 1 answer
2. asked by kaylarae
3. 1,366 views
i need helpwhile mercury is very useful in barometers, mercury vapor is toxic. given that mercury has Hvapp=56.9kj/mol and its
1. 1 answer
2. asked by amy
3. 1,365 views
Select all of the answers that apply.A map _____. 1)is a representation of the earth's surface 2)is a portable document
1. 8 answers
2. asked by george
3. 1,362 views
Write a brief scenario that can modeled with a linear equation. ANDSummarize a situation modeled by a quadratic equation. I am
1. 2 answers
2. asked by Carrie
3. 1,328 views
Use the combined gas law to solve the following problem: Calculate the volume of helium gas that results when 0.550 L of the gas
1. 1 answer
2. asked by Anonymous
3. 1,328 views
Hi there, I am writing a english essay on 'Sophocles Oedipus the King' and I am trying to prove that Oedipus is not responsible
1. 2 answers
2. asked by Sarah
3. 1,302 views
It is a well-known fact that homing pigeons fly faster over land than over water. Assume that they fly at 10 metres per second
1. 1 answer
2. asked by EMILY
3. 1,281 views
What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M
1. 3 answers
2. asked by anonymous
3. 1,262 views
Imagine a small chess board, 3 x 3. If you place a knight on the top left hand corner, how many different squares can the knight
1. 1 answer
2. asked by Sandy
3. 1,214 views
Pls help me out.Four positive and equal charges are located dt the corners of a square of side 20cm.if each charge has a
1. 1 answer
2. asked by Ayodele
3. 1,205 views
Objects which are at rest or moving at constant velocity, may have forces acting on them. However the forces are said to be
1. 1 answer
2. asked by NINI
3. 1,192 views
I also had a problem with this type of questionthe initial pressure of NOCl(g) is 4.329 atm, calculate the % of NOCl(g) left
1. 2 answers
2. asked by andy
3. 1,190 views
23. List two examples of tools used in each of these major areas of processing: material, energy, and information processing.I'm
1. 3 answers
2. asked by y912f
3. 1,179 views
Combustion analysis of 0.284 g of a compound containing C, H, and O produces 0.623 g of CO2 and 0.340 g of H2O. Mass spectral
1. 1 answer
2. asked by Darali
3. 1,160 views
Why do oligarchy exist? List five or six oligopolists whose products you own or regularly purchase. What distinguishes oilgopoly
1. 3 answers
2. asked by Erick
3. 1,151 views
calculate the amount of heat involved in the conversion of 25.00 g of water at 100 *C to steam at 100 *C. ( delta H vaporization
1. 2 answers
2. asked by Anonymous
3. 1,112 views
22. Telecommunications is a growing field of technology. We use such things as televisions, telephones, radios, and computers to
1. 4 answers
2. asked by y912f
3. 1,107 views
Sketch the region in the first quadrant enclosed by the given curves. Decide whether to integrate with respect to x or y. Then
1. 1 answer
2. asked by lssa
3. 1,105 views
I need a sketch and label of a figure that has an area of 47 sq. cm.
1. 4 answers
2. asked by mariah
3. 1,095 views
Identify the balanced net ionic equation for the reaction2Na3PO4(aq) + 3CaCl2(aq)�¨ 6NaCl(aq) + Ca3(PO4)2(s)
1. 0 answers
2. asked by Dan
3. 1,095 views
How is a mole ratio used to find the limiting reactant?Is there a specific equation to find the limiting reactant? Can someone
1. 1 answer
2. asked by Clary
3. 1,090 views
Here is another poem:the competition-by patricia young At times the competition was fierce between Cheri and me. Had to be equal
1. 6 answers
2. asked by Sara
3. 1,074 views
how do we calculate bond order of a molecule that has 3 different elements, like for example C-N-O
1. 1 answer
2. asked by phys
3. 1,057 views
The partners in New Yorker Company decide to liquidate the firm when the balance sheet shows the following.NEW YORKER COMPANY
1. 1 answer
2. asked by mayasa
3. 1,054 views
A solution is prepared by mixing 13.00 ml of .0021 M aqueous Hg2(NO3)2 with 25 ml of .015M HCL. Assme that volumes are additive.
1. 2 answers
2. asked by Anmol
3. 1,053 views
austin invests 4500 with first national bank at 5 1/4% simple interest. how much interest does austin earn after one year?
1. 3 answers
2. asked by michele
3. 1,047 views
Can someone post numerical answers!!Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a
1. 1 answer
2. asked by Ron
3. 1,034 views
Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m
1. 1 answer
2. asked by Ronald
3. 1,018 views
paul paints a house in 4 hours, mike paints the same house in 6 hours. how long will it take them both to paints this house?
1. 1 answer
2. asked by karen
3. 1,012 views
i am asked to plan a port town like William Penn did however, I am not sure how the original layout of such a town may have
1. 2 answers
2. asked by hugh
3. 1,010 views
What firm dominates the U.S. beer industry? What demand and supply factors have contributed to "fewness" in this industry?
1. 5 answers
2. asked by Erick
3. 1,005 views
does everything you see fit the definition of matter?can you see all kinds of matter? how can helium take up space?
1. 2 answers
2. asked by jeremias
3. 1,004 views
What does the green light symbolize in the Great Gatsby when Gatsby vanishes in chapter 1?
1. 2 answers
2. asked by Kathleen
3. 1,002 views
INCESSANT HAMMERING
1. 1 answer
2. asked by MISS AYON
3. 984 views
A survey of 300 parks showed the following15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping
1. 1 answer
2. asked by Michele
3. 984 views
The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because,
1. 1 answer
2. asked by Anonymous
3. 978 views
As the economy expands, it requires les and less investment.
1. 2 answers
2. asked by Paul
3. 975 views
Why is there so much advertising in monopolistic competition and oligopoly?How does such advertising help consumers and promote
1. 6 answers
2. asked by Erick
3. 971 views
A first order reaction has an activation enery of 50.0kJ/mol. When a catalyst is added the activation energy of the catalyzed
1. 1 answer
2. asked by Darcy
3. 947 views
How does monopolistic competition differ from pure competition in its basic characteristics? From pure monopoly? Explain fully
1. 1 answer
2. asked by Erick
3. 941 views
A charge q=3*10^-6coulumb is placed at the centre of a cube of edge L.Determine the electric flux through each of the cube
1. 1 answer
2. asked by Ayodele
3. 929 views
Undamped, forced oscillation?!?!?I have this question and can't seem to get the right answer. Damping is negligible for a 0.130
1. 0 answers
2. asked by bre
3. 926 views
Write a one-sentence goal for each of the seven assumptions that will support a productive and positive learning atmosphere.
1. 1 answer
2. asked by scooby
3. 924 views
. If the government wanted to encourage a monopoly to produce the socially efficient quantity, should it use a per-unit tax or a
1. 0 answers
2. asked by Kim
3. 924 views
Why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to
1. 2 answers
2. asked by corey trower
3. 915 views
at 2 atm of pressure the volume of a ballon is 4.7 L. Assuming that the temperature remains constant, what will the volume of
1. 1 answer
2. asked by Anonymous
3. 901 views
What is one way the U.S. legal system impacts U.S. businesses
1. 1 answer
2. asked by Tennyson
3. 893 views
what is the material between 2900 kilometers and 5200 kilometers below earths surface inferred to be
1. 3 answers
2. asked by smiley
3. 891 views
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the
1. 1 answer
2. asked by Anonymous
3. 874 views
A health agency experience an average 150+ days in it's receivables. Would you look to a 90 day or 30 year mortgage fo financing
1. 0 answers
2. asked by BarBara
3. 864 views
Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m
1. 1 answer
2. asked by Ronald
3. 862 views
I have a question. I need to graph the compound inequality of x<-3 or x>5 and this is how my graph looks like:<_______)_________
1. 3 answers
2. asked by B.B.
3. 862 views
im doin a project on da greenouse effect if you know any neat facts ill be happy to hear what u have 2 say
1. 1 answer
2. asked by Anonymous
3. 858 views
At room temperature pure water has a density of 1.00 g/ mL. What mass of water (in grams) will fit into a container if 1.00 lb.
1. 4 answers
2. asked by Amy
3. 854 views
The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given byC= (a/q) + b where a and b are
1. 1 answer
2. asked by piper
3. 843 views
Is Zn+2 diamagnetic or paramagnetic? I am a little confused on how to figure this out and I'm finding inconsistent answers when
1. 1 answer
2. asked by Trixie
3. 833 views
I have a chemistry project where I need to make an object move using my knowledge of chemistry. The object os a small ball the
1. 0 answers
2. asked by Didier
3. 831 views
In order to keep a leaking ship from sinking, it is necessary to pump 15.0 {\rm lb} of water each second from below deck up a
1. 2 answers
2. asked by Physics
3. 829 views
I've read through this friendship poem, and now I need help with some of the questions.Here is this frienship poem: If you don't
1. 6 answers
2. asked by Sara
3. 806 views
3.A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of
1. 0 answers
2. asked by MILEY
3. 801 views
4. A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the
1. 0 answers
2. asked by MILEY
3. 797 views
Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the
1. 1 answer
2. asked by David Nipp
3. 797 views
A flywheel turns through 32 rev as it slows from an angular speed of 2.1 rad/s to a stop. How much time is required for it to
1. 2 answers
2. asked by stanely
3. 788 views

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