Questions Asked on February 14, 2010

3. Hydrobromic acid dissolves solid iron according to the following reaction:Fe(s) + 2HBr(aq) ---> FeBr2(aq) + H2(g) What mass
1. 1 answer
2. asked by jamie
3. 5,835 views
A box weighing 450 N is hanging from two chains attached to an overhead beam at angles of 70 degrees and 78 degrees to the
1. 1 answer
2. asked by Sam
3. 2,897 views
An airplane is flying at 550 km/h on a heading of 080 degrees. The wind is blowing at 60 km/h from a bearing of 120 degrees.
1. 3 answers
2. asked by Sam
3. 2,492 views
A 3.0 mC point charge is placed in an external uniform electric field of 1.6×10^4 N/C. At what distance from the charge is the
1. 2 answers
2. asked by jane e.
3. 2,273 views
A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25˚C. The
1. 1 answer
2. asked by Anonymous
3. 2,186 views
Ammeter 1 reads 0.20 A.a. What should ammeter 3 indicate? b. What should ammeter 4 indicate? Given: RA = 22-OHM RB = 13-OHM A1 =
1. 8 answers
2. asked by Priscilla
3. 2,134 views
A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25˚C. The
1. 2 answers
2. asked by Anonymous
3. 2,126 views
what is the first term of an arithmetic sequence if the 7th term is 21 and the 10th term is 126
1. 2 answers
2. asked by Nancy
3. 2,070 views
I got all but this problem.A 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58 m/s.
1. 2 answers
2. asked by Nate
3. 1,981 views
a person 2m tall casts a shadow 1 m long when a building has a 6-m shadow. How high is the building?any help would be greatly
1. 2 answers
2. asked by Amy
3. 1,946 views
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from
1. 1 answer
2. asked by candace
3. 1,688 views
An airplane is flying due west at a velocity of 100 m/s. The wind is blowing south at 5 m/s.a. Draw a labeled diagram of the
1. 3 answers
2. asked by Marie
3. 1,590 views
I got all but this problem, IA 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58
1. 1 answer
2. asked by Nate
3. 1,468 views
A firm has invested in corporate bonds it may engage in a financial futures contract in order to protect itself from what.
1. 3 answers
2. asked by mike
3. 1,397 views
if 16r of METHANOL are reacted wtih an excess of PBr3, how many grams of CH3Br would be formed if there is a 25% yield?eqn;
1. 1 answer
2. asked by ARA
3. 1,332 views
calculate the work done when 50.0 g of tin dissolves in excess acid at 1.00 atm and 25c
1. 3 answers
2. asked by Anonymous
3. 1,322 views
The vapor pressure of CCl3F at 300K is 856torr. If 11.5g of CCl3F is enclosed in a 1L container, Will any liquid be present? If
1. 3 answers
2. asked by RM1031
3. 1,273 views
Can you please check if the word choice is correct and if the words in parentheses are also possible?Thank you in advance.
1. 1 answer
2. asked by Franco
3. 1,262 views
#53. In an essay, discuss the causes of discontent between Catholic and Protestants in Ireland and the significant events in
1. 8 answers
2. asked by y912f
3. 1,205 views
Estimate the magnitude of the electric field in a cell membrane with a thickness of 8nm
1. 3 answers
2. asked by jamie
3. 1,130 views
What are some of the challenges to using a managed care approach in mental health care? How does a managed care model of mental
1. 0 answers
2. asked by cathy
3. 1,087 views
1) Find the Asymptotes:y = -2 sec 2pi x pi/2b and 3pi/2b pi/2(2pi) = pi/4 and 3pi/4 Is this correct? 2) Find the period and
1. 1 answer
2. asked by Hannah
3. 1,081 views
i have to write on a topic for about 300-400 words . topic is 'IS HOMEWORK HARMFUL OR HELPFUL'
1. 1 answer
2. asked by pooja
3. 1,067 views
Testtube B: Has a solution of KMnO4 + NaOH+ NaHSO3----> K2MnO4 (green coloured-solution)+H2O+Na2SO4If too much HSO3^1- was added
1. 1 answer
2. asked by LALA
3. 1,057 views
The range R of a projectile is defined as the magnitude of the horizontal displacement of the projectile when it returns to its
1. 2 answers
2. asked by candace
3. 1,055 views
#54. Compare and contrast France and Switzerland in terms of language and culture.any help? ..I am searching my book, and will
1. 7 answers
2. asked by y912f
3. 1,021 views
reactionKMnO4+ EDTA(ethylenediaminetetraacetic acid) + MnSO4(s)---> MnCl3 (Violet/Rose solutions) note: Mn is being reduced. a)
1. 1 answer
2. asked by LALA
3. 1,010 views
What is the Missouri Comprmise?
1. 1 answer
2. asked by Dalia
3. 934 views
26. The relationship between population growth and resources can be described asa. inverse; as one goes up the other goes down
1. 2 answers
2. asked by mysterychicken
3. 908 views
the currencey used in ecuador is the:A} pero B} sucre C} kina D} pula A little help here plz lol
1. 7 answers
2. asked by leslie
3. 893 views
which ststement does NOT describe prescripitivists?A. Language should be recoreded,not judgement. B. Language use should follow
1. 4 answers
2. asked by brit brat
3. 851 views
3. Describe the general relationship between net income and net cash flows from operating activities for the firm.
1. 0 answers
2. asked by Anonymous
3. 840 views
Can you check if the following statements and questions are correct?Thank you very much. 1) Answer one among the following four
1. 2 answers
2. asked by Franco
3. 801 views
Thank you very much indeed for your last corrections!!I still need your precious help to check a few more sentences.In
1. 1 answer
2. asked by Franco
3. 791 views
In daylight, the diameter of the iris is about 3 mm.PART A What is the angle between two distant point objects that can just be
1. 1 answer
2. asked by JOTHEY
3. 789 views
38. Mitosis and meiosis are the two different ways cells divide. They both share common characteristics and processes, but
1. 4 answers
2. asked by mysterychicken
3. 788 views
An object is thrown downward with an initial speed of 5 m/s from a height of 78 m above the ground. At the same instant, a
1. 2 answers
2. asked by Fabian
3. 787 views
Need help with this:40. DNA fingerprinting is used in many situations to help identify individuals. Analyze the situation below
1. 1 answer
2. asked by mysterychicken
3. 777 views
Evaluate the expression without using a calculator:log4(2)= ____? Use a calculator to find the logarithm accurate to four
1. 1 answer
2. asked by jh
3. 773 views
If this be error and upon me proved, I never writ, nor no man ever loved.These lines are an example of an a.quatrian b octet c
1. 1 answer
2. asked by kay
3. 749 views
I posted this problem last night and someone answered. I followed all the steps that this person told me to do and I don't get
1. 2 answers
2. asked by Lana
3. 730 views
Midland Chemical Co is negotiating a loan from Manhattan Bank and Trust. The small chemical company needs to borrow $500,000.
1. 1 answer
2. asked by Tim
3. 723 views
A charged disk of radius R that carries a surface charge density σ produces an electric field at a point a perpendicular
1. 0 answers
2. asked by Susie
3. 719 views
Y=-16X^2+100X+6 where x is the time in seconds and Y is the height in feet.find the zeros of the function? What do the zeros
1. 1 answer
2. asked by Walter
3. 702 views
i have no less than 6,000 to spend and no more than 10,000 write an inequality to show how much I have to spend
1. 1 answer
2. asked by charlyn
3. 701 views
Has the buildup in plant and equipment been financed in a satisfactory manner?Briefly discuss .
1. 1 answer
2. asked by Anonymous
3. 701 views
I forgot to include the following sentences. I really hope you can help me.7) The poet makes use/employs of musical devices such
1. 1 answer
2. asked by Franco
3. 697 views
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m
1. 1 answer
2. asked by candace
3. 686 views
Can someone help me and write the answers to these tasks (especially the last sentence in the 2nd task)What’s the time now?
1. 3 answers
2. asked by swen
3. 665 views
Your client is preparing financial statements to show the bank. You know that he has incurred a computer repair expense during
1. 0 answers
2. asked by Sheryl
3. 653 views
My problem has to do with linking verbs. I know the obvious linking verbs: forms of "be", is,etc. But I don't know if words such
1. 3 answers
2. asked by John
3. 637 views
An audit trail allows an individual to track a transaction from the journal entry to the general ledger through to the financial
1. 0 answers
2. asked by Sheryl
3. 636 views
x^2+y^2=86 and xy=(-16), Find the value of(x-y)^2 Please help i am a bit tense today so i can't figure it out.
1. 1 answer
2. asked by Amir
3. 632 views
TestubeA: KMnO4 + H2S04 + NaHSO3---->MnSO4+ K2SO4+Na2SO4 (colourless solution)a) if test tube a wasn't acidic enough, what
1. 1 answer
2. asked by LALA
3. 632 views
One mile is equal to:A} 1.61 kilometers B} 3.52 kilometers C} 0.91 kilometers D} 2.34 kilometers
1. 5 answers
2. asked by matty
3. 624 views
Given:3H2(g) + N2(g) 2NH3(g) If the reaction starts with 0.500 mol of H2, how many atoms of hydrogen in the compound NH3 would
1. 1 answer
2. asked by kp
3. 613 views
Mr. Chang and his wife together had an unpaid balance of $500 on their credit cards for one month. THe bank that issued Mr.
1. 1 answer
2. asked by Mary
3. 605 views
What behaviors do people with active learning skills demonstrate? Why are these skills important for college success?
1. 1 answer
2. asked by lynne
3. 583 views
The length of a rectangular swimming pool is 2x-1 meters and the width is x+2 meters. Write a polynomial A(x) that represents
1. 1 answer
2. asked by Alyssa
3. 582 views
I am writing a paper and don't understand this particular question..What does it mean if a patient is part of a marginalized
1. 4 answers
2. asked by Jen
3. 576 views
Has the buildup in plant and equipment been financed in a satisfactory manner?Briefly discuss .
1. 0 answers
2. asked by Anonymous
3. 573 views
Can you check these sentences for me, please?Thank you very much 1) They are going on a weekend school trip to Stratford and are
1. 2 answers
2. asked by Franco
3. 563 views
I mixed 5ml H202 with 5ml KI with 5ml H2SO4 wit Na2So2O3 with 50ml. Now I am trying to figure out all the elementary steps for
1. 1 answer
2. asked by Neo
3. 542 views
Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg
1. 0 answers
2. asked by Sandra
3. 541 views
How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The
1. 3 answers
2. asked by joseph
3. 534 views
I'm having trouble relating Work, with Electric Field, with Kinematics. The question is asking:How fast and what direction is
1. 1 answer
2. asked by so CONFUSED!
3. 533 views
Understanding the patient intake process
1. 2 answers
2. asked by Terry
3. 532 views
Firms exposed to the risk of interest rate changes may reduce that risk by doing what
1. 1 answer
2. asked by mike
3. 526 views
Can you check the following sentences for me, please?1) She was a still a young girl when she fell in love for a punk skater boy
1. 1 answer
2. asked by Franco
3. 524 views
I mixed 5ml H202 with 5ml KI with 5ml H2SO4 wit Na2So2O3 with 50ml. Now I am trying to figure out all the elementary steps for
1. 0 answers
2. asked by Neo
3. 523 views
solve by the elimination method:7r-9s=4 9r+7s=98
1. 1 answer
2. asked by ina
3. 519 views
Find the limits:lim {[1/(2+x)]-(1/2)}/x as x->0 lim (e^-x)cos x as x->infinity ...First off, I'm having trouble getting rid of
1. 0 answers
2. asked by Momo
3. 516 views
A standard IQ test has a mean of 98 and a standard deviation of 16. We want to be 99% certain that we are within 8 IQ points of
1. 1 answer
2. asked by Tneshia
3. 506 views
Analogy help for my daughter please...Wouldn't is to coulnd't as green is to what??? The answer must start with scr, spr, str,
1. 1 answer
2. asked by Toni
3. 504 views
A writer may be somewhat unethical in his or her approach while using business oriented communications if they deliberately use
1. 7 answers
2. asked by Audrey
3. 496 views
Solve by either graphing and then get an exact solution by using either substitution or elimination:x-3y=6 2x+y=2
1. 2 answers
2. asked by Daisy
3. 493 views
nd im paying for the books im a homeschooler
1. 7 answers
2. asked by matty
3. 492 views
What is the role of trade in the spread of culture in the Aegean islands and beyond?
1. 1 answer
2. asked by Anonymous
3. 490 views
9x+3= -665x-3y= -60 solve using elimination method?
1. 1 answer
2. asked by marie
3. 489 views
27% discount on one 50 inch television sales tax is 4% how much is thew after tax total? the price of the tv is $1,056.00
1. 1 answer
2. asked by shantee
3. 470 views
For a body centered cubic unit cell, I know how to get the body diagonal... but how do you get the face diagonal in terms of r?
1. 1 answer
2. asked by Maxwell
3. 465 views
1) describe the relationship between the graphs of f and g.My answer was g is a reflection of f about the x axis but this is
1. 1 answer
2. asked by Hannah
3. 464 views
Factor completely. Always begin by factoring the GCF.ax(squared)p-8pa-2axp
1. 2 answers
2. asked by Angelica
3. 464 views
Consider the limit of large distances, where a finite charged rod is observed at a distance that is very large when compared to
1. 1 answer
2. asked by Sandra
3. 456 views
Does the study in the article below use the experimental method or the correlation method and why? I'm stuck and keep going back
1. 4 answers
2. asked by Jason
3. 455 views
I'm completely confused, please help explain how my teacher got this answer.How many board feet is the walking surface of my
1. 1 answer
2. asked by Dale
3. 454 views
I shall argue that this reaction was irrational to a great extent and that to that extent Americans unwittingly cooperated with
1. 1 answer
2. asked by vivian
3. 450 views
How do you express these problems as single trigonometric function values or as single numbers, using identities?1.
1. 0 answers
2. asked by Kelly
3. 448 views
How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The
1. 1 answer
2. asked by joseph
3. 440 views
Does anyone know any good websites that i can test myself for my algebra test, like tests online or something like that?
1. 1 answer
2. asked by Lenea
3. 437 views
These are the very last questions of the day. Thank you all in advance1) How did the Elizabethans conceive the universe and by
1. 1 answer
2. asked by Franco
3. 435 views
Calculate the volume ( L ) of the solute water and the volume ( L ) of the solvent tetrahydrofuran that should be added to
1. 1 answer
2. asked by andy
3. 430 views
In the following table R(t) is the quarterly revenue for an international tortilla producer t quarters after December 1999. Use
1. 0 answers
2. asked by kelly
3. 428 views
How do I integrate this?constant(1- z/[sqrt (z^2 + constant^2)] i know i can take the constant out so I have constant * integral
1. 3 answers
2. asked by so CONFUSED!
3. 420 views
Use substitution to solve:3x-2y=2 x-3y=4
1. 1 answer
2. asked by Brittany
3. 416 views
In the following table R(t) is the quarterly revenue for an international tortilla producer t quarters after December 1999. Use
1. 0 answers
2. asked by kelly
3. 414 views
V(X)=x^3-5x^2-8x+12the depth is x+2 Find linear expressions with integer coefficients for the other dimensions and next if the
1. 1 answer
2. asked by Courtney
3. 405 views
Marcy has a total of 100 dimes and quarters. if the total value of coins is $14.05,how many quarters does she have?
1. 1 answer
2. asked by bianca
3. 404 views
The followoing question comes from my Algebra II book and it goes like this: Thirty percent of the sulfur desiccated. If 42 tons
1. 1 answer
2. asked by Crystal
3. 402 views
wat is 310000 dollars divided by 9 people?
1. 2 answers
2. asked by julie
3. 399 views

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