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Questions Asked on March 13, 2010

A solution is prepared by mixing 0.12 L of 0.12 M sodium chloride with 0.22L of a 0.19M MgCl2 solution.What volume of a 0.22 M
1. 2 answers
2. asked by Abril
3. 3,912 views
For the reaction, 2SO2(g) + O2(g) �¨ 2SO3(g) + heat, at equilibrium, what will be the effect on the net amount of SO3 present
1. 1 answer
2. asked by Natalie
3. 3,552 views
A synchronous satellite, which always remains above the same point on a planet's equator, is put in orbit around Neptune so that
1. 15 answers
2. asked by Ana
3. 3,316 views
State whether each of the following aqueous solutions would be acidic, basic, or neutral. Include appropriate net-ionic
1. 2 answers
2. asked by Julie
3. 2,941 views
Subject cannot automatically limit which of these?intended audience intended purpose whether a message is timely whether a
1. 3 answers
2. asked by Betty
3. 2,217 views
Which of the following systems would be considered to be at equilibrium:I. an open flask with 2.0 mL of perfume II. a closed
1. 1 answer
2. asked by Mario
3. 2,165 views
Design an electrochemical cell using Pb(s) and Mn(s) and their solutions to answer the following questions.I just want to see if
1. 2 answers
2. asked by Amanda
3. 1,717 views
A flask contains this equilibriumFe3+(aq) + SCN1-(aq) <======> FeSCN1-(aq) What is observed if a few drops of iron(II) chloride
1. 2 answers
2. asked by Stephan
3. 1,646 views
find the lateral area and the total surface area of the right prism if the base of the prism is a right triangle whole legs
1. 0 answers
2. asked by Nico
3. 1,569 views
Two students on roller skates stand face-to-face, then push each other away. One student has a mass of 94 kg, the other 65 kg.
1. 1 answer
2. asked by Luricela
3. 1,422 views
Suppose that 0.483 g of an unknown monoprotic weak acid, HA, is dissolved in water. Titration of the solution with 0.250 M
1. 7 answers
2. asked by Val
3. 1,326 views
Write a 700 to 1,050-word paper Format your paper according to APA guidelines. -The following points should be covered in your
1. 2 answers
2. asked by Lisa
3. 1,260 views
in a group of 100 people, 40 own a cat, 25 own a dog and 15 own a cat and a dog. Find the probability that a person chosen at
1. 1 answer
2. asked by terry
3. 1,216 views
2H2 + O2 yield 2H2Oto calculate bond enthalpy, we have to take bond breaking minus bond making, how do we know which one is bond
1. 2 answers
2. asked by bme1
3. 1,184 views
a card is picked from a pack containing 52 cards . it is then replaced and a second card is picked. Find the probability thata)b
1. 1 answer
2. asked by terry
3. 1,165 views
An 0.6600 mol sample of an ionic compound has a mass of 131.9 g. Determine the mass (g) of one formula unit of the compound.I
1. 7 answers
2. asked by echem
3. 1,161 views
Please can you check that I have put colons, semi-colons and hyphens in the right places.In 1) I need to put a colon and a semi
1. 7 answers
2. asked by Therry
3. 1,079 views
Calculate the free energy (ΔG˚) of reaction (kJ) for the equation as written at 298 K (Dependence of temperature on enthalpy
1. 2 answers
2. asked by Anonymous
3. 1,059 views
information is given about the polynomial f(x) whose coefficients are real numbers. find the real zeros of f:degree 4; zeros: i,
1. 2 answers
2. asked by hawra
3. 1,057 views
the base of a right prism is a rhombus whose diagonals are 6 in and 8 in. The altitude of the prism measures 10 in. Find the
1. 1 answer
2. asked by Nico
3. 1,036 views
Copper(I) Iodide is synthesised by the equation:2CuSO4.5H2O + 2KI + 2Na2S2O3.5H2O --> 2CuI + K2SO4 + Na2SO4 + Na2S4O6 + 10H2O
1. 1 answer
2. asked by Alan
3. 1,031 views
Perform the indicated operation.11/7 - 6/7
1. 1 answer
2. asked by Lynn
3. 997 views
Can someone help me solve the following problems using the substituion method? I need to find the ordered pairs and I do not get
1. 5 answers
2. asked by Kristin
3. 969 views
Two current carrying wires cross at right angles (like a + sign).Wire 1 has current directed horizontally to the left. Wire 2
1. 4 answers
2. asked by Jane
3. 959 views
I am confused about where I am going wrong here...Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water
1. 1 answer
2. asked by Val
3. 908 views
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution
1. 1 answer
2. asked by Anonymous
3. 871 views
can someone please help me with this elimination methods problem?0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination
1. 2 answers
2. asked by Kristin
3. 868 views
Elimination Method....I am not understanding this method either and need some help here is what I am working on:1) x+8y=33
1. 3 answers
2. asked by Kristin
3. 850 views
• Emerson Electric common stock that is selling for $80 with a par value of $5. This stock recently paid a $2.10 dividend, and
1. 3 answers
2. asked by ananoumous
3. 817 views
Gold ions (Au+) are accelerate to high speeds using electric fields.These ions are then passed through a region where uniform
1. 1 answer
2. asked by Sandra
3. 800 views
nigerian national assembly and its role in decision making
1. 1 answer
2. asked by belema
3. 797 views
A 60.0ml 0.513M glucose solution is mixed with 120.0ml of 2.33 M glucose solution. What is the concentration of the final
1. 2 answers
2. asked by Adam
3. 781 views
A weightlifter holding a 500 kg barbell waist high carries the barbell at a constant height and a constant speed to a rack 2 m
1. 1 answer
2. asked by kalisha
3. 758 views
Thanks for your earlier thoughts. Am still working on the problem and would like to know if you have any thoughts on my approach
1. 1 answer
2. asked by Renee
3. 754 views
How do i verify:cotx = (sin2x)/(1-cos2x)
1. 1 answer
2. asked by jill
3. 736 views
Explain why, in terms of job performance and efficiency, knowing medical billing terms is critical for working in the health
1. 1 answer
2. asked by Ali
3. 735 views
1)6m+n=47 m-4n=12 can someone help me solve using substitution method?
1. 1 answer
2. asked by Kristin
3. 710 views
What is the chemical equation for:CuI + NH4OH ---> ??? This equation should oxidise Cu+ to Cu2+.
1. 1 answer
2. asked by Alan
3. 699 views
Consider the follow scenario: You are a criminal defense attorney, and your client has just been found guilty by the U.S.
1. 4 answers
2. asked by anonymous
3. 695 views
When diluting a weak acid and a strong acid, why is it that the pH changes more significantly in the strong acid? (consider the
1. 1 answer
2. asked by Anonymous
3. 679 views
Calculate the pH of a 0.21 M CoCl3 solution. The Ka value for Co(H2O)63+ is 1.0 10-5.
1. 1 answer
2. asked by pinki
3. 672 views
form a polynomial f(x) with real coefficients having the given degree and zeros.degree: 4; zeros: -1, 2, and 1-2i. I got an exam
1. 2 answers
2. asked by Hawra
3. 672 views
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not
1. 1 answer
2. asked by Johnny
3. 670 views
growth rate of eps.what is the groth rate of an eps of 2.40 to 4.48 in the past 5 years...
1. 1 answer
2. asked by ananoumous
3. 665 views
A bottle contains 0.5 quarts of grape juice. Keisha will use o.2 of the grape juice to make fruit punch. How much grape juice
1. 1 answer
2. asked by MATH PLEASE HELP
3. 653 views
If $1,000.00 is deposited into an account paying 3% interest compounded annually (at the end of each year), how much money is in
1. 2 answers
2. asked by Mickey
3. 644 views
What materials/resources do I need to do a training seminar on sexual harassment and unlawful discrimination in the work place?
1. 1 answer
2. asked by Suzanne
3. 629 views
Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A
1. 0 answers
2. asked by Gayle
3. 625 views
• Emerson Electric common stock that is selling for $80 with a par value of $5. This stock recently paid a $2.10 dividend, and
1. 1 answer
2. asked by ananoumous
3. 613 views
john is a caterer who encourages his staff to make suggestion on work procedures and frequently incorporates their thoughts into
1. 4 answers
2. asked by mona
3. 601 views
The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points
1. 1 answer
2. asked by anne
3. 598 views
I have another similar problem. I have calculated everything given (Correctly), but I can't seem to get the right pH for the
1. 1 answer
2. asked by Val
3. 593 views
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution
1. 1 answer
2. asked by Anonymous
3. 593 views
Can someone help me solve the following....using elimination methods1) 5x+7y=43 -4x+y=25 2)9x-9y=36 7y-3x=-14
1. 2 answers
2. asked by Holly
3. 577 views
is 2-methyl-2-pentene capable of forming cis/trans isomers
1. 1 answer
2. asked by rashid
3. 574 views
How do I convert 7/13 to a decimal then to a percent?
1. 1 answer
2. asked by Missy
3. 571 views
A 80.00 kg object is hanging from two ropes. One rope (F1) is pulling due West. The second rope (F2) is pulling 80.00 degrees up
1. 1 answer
2. asked by Sarah
3. 568 views
A 450.00 kg object is hanging from two ropes. One rope (F1) is pulling 30.00 degrees up of West. The second rope (F2) is pulling
1. 2 answers
2. asked by Sarah
3. 550 views
I was really confused by this question?Considering the energy pyramid, where does the energy go or where is it used as you go
1. 1 answer
2. asked by Sam
3. 544 views
A bottle contains 0.5 quart of grape juice. Keisha will use 0.2 of the grape juice to makie fruit punch. How much grape juice
1. 1 answer
2. asked by MATH PLEASE HELP
3. 539 views
2H2 + O2 yield 2H2O , so if i switch it around, 2H2O yield 2H2 + O2. Would it change which one is breaking bond, which one is
1. 2 answers
2. asked by bme1
3. 536 views
The density of nitrogen at STP is 1.25 kgm^-3. Find the r.m.s velocity of nitrogen molecule at 20 degree centigrade.
1. 1 answer
2. asked by Edwin
3. 531 views
How do we solve this dilemma? Assuming capitalism is based on a mutual system of trust among consumers and producers, employers
1. 2 answers
2. asked by flowerpower
3. 525 views
Is it ever appropriate for a man to use women's speech? Is it ever appropriate for a woman to use men's speech? Give an example.
1. 5 answers
2. asked by Rachale
3. 516 views
what should you do if you find a bone or foreign matter in your food after you've already put it in you mouth?
1. 1 answer
2. asked by mona
3. 512 views
Option ExplicitDim Answer Dim aScores() Dim intNumScores ' Initialize Answer so loop will enter and execute Answer = vbOK Do
1. 1 answer
2. asked by Pete
3. 506 views
How many moles of O2 are needed to combine with 0.646 mol Al to give Al2O3?
1. 1 answer
2. asked by khin
3. 500 views
A triangel has sides 36 5/6 yards, 33 4/5 yards, 17 9/10 yards. What is the perimeter (distance around) of the triangel in
1. 1 answer
2. asked by Queen
3. 500 views
An item is shot off the ground at a force of 31N and an angle of 36 degrees. In order to find the vertical force, would I use
1. 1 answer
2. asked by Sarah
3. 488 views
1)x+8y=33 -x+4y=3 I need help solving this one using the elimination method!
1. 1 answer
2. asked by Kristin
3. 482 views
A consultant traveled 9 hrs to a meeting. The return trip took only 8 hrs because the speed was 10 miles per hr faster. What was
1. 1 answer
2. asked by Susie
3. 476 views
How should I write the balanced chemical equation to represent the oxidation of Cu+ ion by air?[Cu(NH3)3]^+1 + 2H2O + ??? -->
1. 1 answer
2. asked by Alan
3. 475 views
GSM networks use microwaves of 20 cm in wavelength.What is the energy carried by one trillion (10^12) photons of this wavelength
1. 2 answers
2. asked by Johnny
3. 473 views
Most modern style manuals endorse the elimination of sexist language. Would the reduction of sexist language influence the
1. 2 answers
2. asked by Jessica
3. 470 views
can you help me with this if you can In reviewing the office's profit and loss statement, the office manager notices a
1. 1 answer
2. asked by Lori
3. 466 views
0.3x-0.2y=40.5x+0.3y=-7/17 Can anyone Please help me solve using the elimination system.....
1. 4 answers
2. asked by Holly
3. 464 views
What substance is a better oxidizing agent in each of the following pairs? Explain.a) Co2+ or Cr3+ b) Mn2+ or I2 I think C02+
1. 1 answer
2. asked by Leanne
3. 462 views
How many moles of O2 are needed to combine with 0.646 mol Al to give Al2O3?
1. 1 answer
2. asked by khin
3. 460 views
i read in my chem book, it says that SiH4 is molecular compound but SiO2 is covalent network, but why not SiH4 since it has Si
1. 0 answers
2. asked by bme1
3. 460 views
Hi, I am doing a practice exam, and I came across this problem and I am have difficultly starting it.A UFO flies horizontally at
1. 3 answers
2. asked by Anonymous
3. 452 views
Would a change in money supply shift the LAS curve?
1. 0 answers
2. asked by Rach
3. 452 views
Suppose we establish a $10,000 fine for water pollution. Would some companies still find thatpolluting was economical?
1. 1 answer
2. asked by olol
3. 451 views
Sorry i wrote the last question wrong, it was suppose to be written as:information is given about the polynomial f(x) whose
1. 0 answers
2. asked by hawra
3. 447 views
Explain the components of cost-volume-profit analysis . What does each of the components mean?
1. 0 answers
2. asked by Wayne
3. 438 views
what is the religon for Potawatomi
1. 1 answer
2. asked by Maylee
3. 435 views
the length of a rectangle is fixed at 12 cm. What widths will make the perimeter greater than 88 cm?
1. 2 answers
2. asked by Monti
3. 433 views
identify the followingRational and guilty I need to know what each means
1. 1 answer
2. asked by trudy
3. 433 views
Deterimie the max and min values of the following set of number-12, 19, 12, 10, -24,1,-1
1. 1 answer
2. asked by Lynn
3. 432 views
Determine the maximum and minimum values of the following set of numbers.–12, 19, 12, 10, –24, 1, –1
1. 1 answer
2. asked by Lynn
3. 432 views
Dalya received the proceeds from an inheritance on April 5. She wants to set aside enough on April 6 so that she will have
1. 1 answer
2. asked by Thara!
3. 429 views
Pls help me to sole micro problem.Production function is Y=K^0.5L^0.5 and w=$1 (wage) and r=$2 (rent) P=$5I need to find the
1. 0 answers
2. asked by Anna
3. 426 views
What products does Egypt export from Canada?
1. 2 answers
2. asked by shakti
3. 423 views
Use the fact that (125)^1/3 = 5 and the tangent line approximation to estimate (123)^1/3
1. 1 answer
2. asked by Chris
3. 418 views
m= 5/6, (8,-9) find the equation of the line having the given slope and containing the given point
1. 3 answers
2. asked by vyu
3. 412 views
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
1. 2 answers
2. asked by J
3. 409 views
How do I convert 7/13 to a decimal then to a percent?
1. 1 answer
2. asked by Missy
3. 406 views
What are some products that Canada imports from Egypt?
1. 1 answer
2. asked by shakti
3. 405 views
WHAT ARE GOOD REULTS OF WW1?
1. 1 answer
2. asked by STEPHANIE
3. 400 views
Does Canada import products frrom Egypt? If so then what are they?
1. 1 answer
2. asked by shakti
3. 397 views
What would be the most likely product(s) when you react CuI with NH4OH?
1. 1 answer
2. asked by Alan
3. 397 views

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