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2009
February

Questions Asked on February 16, 2009

The pH of a 1.00 10-3 M solution of pyrrolidine is 10.82. Calculate Kb.i keep getting anumber that is ^ (positive) and that's
1. 4 answers
2. asked by Jennifer
3. 1,480 views
How would the following errors affect the account balances and the basic accounting equation, Assets = Liabilities + Owners'
1. 1 answer
2. asked by mary
3. 563 views
I need some help with find information on what are the implications for patients? What types of reform efforts are being
1. 6 answers
2. asked by Nikia walker
3. 565 views
is the integral of 1/x^2, 2x ln of the absolute value of x^2?
1. 4 answers
2. asked by Laura
3. 285 views
write down the uncertainty in the volume of the cylinder (3.36*10^-2)write down the minimum uncertainty with which the volume of
1. 2 answers
2. asked by Anna
3. 1,011 views
solve each equation for 0=/<x=/<2pisin^2x + 5sinx + 6 = 0? how do i factor this and solve? 2sin^2 + sinx = 0 (2sinx - 3)(sinx
1. 7 answers
2. asked by sh
3. 885 views
Translate to an algebraic expression;the product of 48% and some number; use y to represent some number.
1. 3 answers
2. asked by stephen
3. 561 views
I need some help with a list of caregivers perpectives on health.
1. 1 answer
2. asked by Nikia walker
3. 354 views
solve for 0=/<x<2pi6sin^2x + sinx - 1 = 0 Ahh, forgot how to factor. 3cos^2 - 2cos - 1 = 0 (3cosx + 1 )(cosx - 1) cosx= -1/3, 1
1. 4 answers
2. asked by sh
3. 534 views
1) Straight-Line Method2) Declining-Balance Method 3) Double-Declining-Balance Method 4) Sum-of-the-Year's digits Method What
1. 1 answer
2. asked by China
3. 530 views
In Katz ( Katz vs Olmstead), why did Douglas write a concurring opinion? what is the basis of his opinion? Do you agree or
1. 1 answer
2. asked by Ian
3. 471 views
I need help bad with the followingUse at least three sources—other than the text for this course—to support your plan.
1. 6 answers
2. asked by troyer0269
3. 660 views
i know the formuula for density is d=m/v. is the formula for mass then m=dv? what about the formula for volume? is that v=m/d?
1. 1 answer
2. asked by Lonzy
3. 301 views
I've removed your post about researching nurses salaries. You've given us no idea how much of this complex assignment you've
1. 1 answer
2. asked by Ms. Sue
3. 442 views
As a person moves away from the equator to the poles, his weight increases. Why?
1. 3 answers
2. asked by janice
3. 297 views
When the roller coaster is at the top of the loop, why doesn’t the person fall off the roller coaster?What forces are acting
1. 3 answers
2. asked by jessie
3. 1,053 views
Miranda v. Arizona casehow is the 14th amendment implicated in this case? how did the court go beyond its usual practice in
1. 9 answers
2. asked by coco
3. 741 views
I need help with this partial fraction problem.Find the indefinite integral of (-5x^3+5x^2-5)/(x^4+X^3). I got
1. 1 answer
2. asked by Sandra
3. 385 views
1. ¿Cómo es Felipe?2. ¿Son los chicos buenos amigos? ¿Por qué? 3. ¿Cómo son los amigos de tu clase? Please help me
1. 4 answers
2. asked by Larry
3. 1,475 views
show that f(x) = x^2-1 (x is greater than and equal to 0) and g(x) = root(x-1) (x is greater than and equal to -1) are inverse
1. 3 answers
2. asked by joey
3. 535 views
I'm confused as how to find the current for a circuit with both parallel and series resistors?R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4
1. 5 answers
2. asked by c
3. 637 views
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere
1. 2 answers
2. asked by Amanda
3. 772 views
A sample of conc. nitric acid has a density of 1.41g/ml and contains 70% HNO3 by mass.What mass of HNO3 is present per L of
1. 4 answers
2. asked by Tree Frog
3. 1,692 views
NEWW-0.10 M methylamine (CH3NH2) kb= 4.38e-4 calc the percent ionization so i did the ICE table to find that x=6.62e-3 (that was
1. 2 answers
2. asked by Spencer
3. 750 views
The antecedent in the following sentence is students: Students in online classes have to be organized to keep up with their
1. 1 answer
2. asked by tabby
3. 379 views
graph the following 2 graphs - y=2x+3 and y=2x-4.a)state the intersections on the y axis and the x axis. b)what is the vertical
1. 3 answers
2. asked by caitlyn maroon
3. 461 views
Solve by elimination method.0.3x – 0.2y = 4 0.5x + 0.5y = 85/19
1. 3 answers
2. asked by Anonymous
3. 985 views
solve the following two equations algebraically.4x+3y=12 4x-y=4 give the coordinates of intersection.
1. 2 answers
2. asked by tyler smith
3. 535 views
Are these true or false:1. Thoreau argued that the legitimacy of democratic laws demanded obedience and represented a higher law
1. 6 answers
2. asked by Anna
3. 586 views
If sigma(t)^2 denotes the standard deviation in the quantity t^2, show thatsigma(t)^2=2tsigma(t) I don't even know where to
1. 2 answers
2. asked by Anna
3. 492 views
What are the current changes in U.S. policies concerning the treatment of Muslim and Arabic Americans?
1. 4 answers
2. asked by Joy
3. 763 views
I have a homework assignment due tomorrow consisting of true/false questions. Would someone please review my answers and see if
1. 6 answers
2. asked by Amy
3. 1,186 views
"According to current research and news reports, what are some of the changes the U.S. has make to policies concerning the
1. 2 answers
2. asked by Joy
3. 537 views
Thank you Ms.Sue,That's what I thought since I have checked online and come up with nothing new either.
1. 1 answer
2. asked by Joy
3. 292 views
Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5 10-3, Ka2 = 8 10-8, and Ka3 = 6 10-10. Calculate [H+], [OH -], [H3AsO4],
1. 15 answers
2. asked by Cab
3. 9,704 views
how do you integrate (cos^2 x)^4
1. 1 answer
2. asked by Laura
3. 250 views
I am doing my essay on drugs use among teens I need someone one to look at my thesis here is my out line. and i need a
1. 3 answers
2. asked by Gertrude Sanders
3. 1,199 views
Calculate the concentrations of all species present in a 0.33 M solution of ethylammonium chloride (C2H5NH3Cl).Okay so i tried
1. 7 answers
2. asked by Spencer
3. 5,007 views
At 25°C, K = 0.090 for the following reaction:H2O(g) + Cl2O(g) 2 HOCl(g)Calculate the concentrations of all species at
1. 3 answers
2. asked by Lindsey
3. 2,362 views
How would you solve the following equation when x= -6x=y^2-5y
1. 1 answer
2. asked by Sabrina
3. 320 views
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere
1. 2 answers
2. asked by Amanda
3. 859 views
Consider 57.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.800. What volume of water must be added to
1. 5 answers
2. asked by Brian
3. 411 views
Jerome estimate that the total number of people for the past 2 years visiting the aquarium is 900,000. Gina estimated it to be
1. 3 answers
2. asked by Elecia
3. 442 views
A 0.23 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.68. Calculate the pH of a 0.23 M chlorobenzoic acid
1. 2 answers
2. asked by Jake
3. 573 views
who was Polk?
1. 2 answers
2. asked by Lawren
3. 231 views
i need help.Calculate the pH of a 0.24 M CoCl3 solution. The Ka value for Co(H2O)63+ is 1.0 10-5. how do u do these with like
1. 3 answers
2. asked by Lindsey
3. 707 views
what is the vertical and horizontal difference between the two eqautions on a graph?please help me on this. These two eqautions
1. 3 answers
2. asked by tyler smith
3. 400 views
Both writers make valid points in their essays regarding moral decline. Robert H Bork points out in his essay, Modern Liberalism
1. 5 answers
2. asked by Amy
3. 914 views
What are the possible ions that would form from a solution of [Co(NH3)5Cl]Cl2?
1. 1 answer
2. asked by dave
3. 125 views
what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions... y=2x+3y=2x-4
1. 1 answer
2. asked by tyler smith
3. 414 views
¿Qué piensas?1. ¿De dónde es el (la) maestro (a) de español? Mí la maestra de español es de México 2. ¿Qué les gusta
1. 4 answers
2. asked by Larry
3. 1,395 views
Communications with planets outside the solar system are most likely achieved using?
1. 1 answer
2. asked by Anonymous
3. 384 views
Considering matterand energy together the smallest component of the universe seems to be
1. 1 answer
2. asked by Siedah
3. 488 views
solve for x and y when 5x-3y-2=0 and 7x+y=0.Please this is sooo hard. no clue how to do it. please show me how to do it.
1. 1 answer
2. asked by neil hannit
3. 373 views
what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions- y=2x+3y=2x-4 please
1. 1 answer
2. asked by tyler
3. 401 views
WHY DID THE 1962 AVALANCH OF PERU HAPPEN
1. 1 answer
2. asked by ALEX
3. 380 views
which sentences contains fate and educate?
1. 4 answers
2. asked by yy
3. 272 views
what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions- y=2x+3y=2x-4 please
1. 1 answer
2. asked by tyler
3. 417 views
i have to write a descriptive passage from one of the characters perspective in 'To Kill a Mockingbird' about a place and
1. 2 answers
2. asked by girly93
3. 1,132 views
Hi,I was wondering if anyone could provide me the necessary information to solve this problem. For the following elements: CdSe
1. 2 answers
2. asked by Anonymous
3. 526 views
Hi,I was wondering if anyone could provide me the necessary information to solve this problem. For the following elements: CdSe
1. 1 answer
2. asked by Anonymous
3. 457 views
I got stuck on this problem and I cannot figure out what to do or explain this problem. Please help me with this problem.The
1. 2 answers
2. asked by shylo
3. 675 views
This problem really bugs me and I did figure out the diagram but I cannot figure out the wavelength. Please help me with this
1. 2 answers
2. asked by shylo
3. 538 views
When I bend down, what kind of force is involved? Is it the pulling force of the muscle?
1. 1 answer
2. asked by annie
3. 443 views
The curve with equation y = ax^2 + bx + c passes through the points P(2,6) abd Q(3,16), and has a gradient of 7 at the point P.
1. 3 answers
2. asked by Anonymous
3. 1,967 views
In my journal, I've divided several pages into two columns. In the first column I write down selected quotations from an essay
1. 3 answers
2. asked by Bunnie
3. 548 views
I am doing a brochure on Ernest Hemmingway. I need a name for it, and I am at a blank. Can anyone suggest one? Thanks
1. 1 answer
2. asked by Anonymous
3. 438 views
The basis of a good child-guidance system is the caregiver'sA. arrangement of space in the facility. B. knowledge of child
1. 3 answers
2. asked by Brenna
3. 538 views
If I have a 9V circuit, with:2 resistors in parallel; followed by: 2 single resistors in series; and I calculate the effective R
1. 4 answers
2. asked by charlie
3. 562 views
Im post this question again. Please, let there be some responseYou are employed in the marketing department of The Mobile Phone
1. 4 answers
2. asked by VICTOR
3. 587 views
does someone know a good translator online (english-polish)thanks alot for help :)
1. 7 answers
2. asked by Wiola
3. 630 views
Can someone help me solve this and break it down step by step please???[Sqrt(x-3)]-[Sqrt(x+2)]=3
1. 1 answer
2. asked by Luke
3. 411 views
I'm completely lost. After overviewing the political arrangements of Iberian and Anglo-French, explain whether governmental
1. 6 answers
2. asked by Max
3. 501 views
A 9v circuit charges a capacitor to steady state. Then the switch is opened.All resistance units in kilo-ohms: 2 rsistors, 20
1. 4 answers
2. asked by charlie
3. 482 views
the revolutionary war,my son has a project due on 2/23/09 about the revolutionary war.what are white oak tags,how do i go about
1. 5 answers
2. asked by jenny
3. 396 views
i wrote a sample sat essay... can you guys just give me some feedback as to how i should work to get my essays score higher?PROM
1. 5 answers
2. asked by William
3. 691 views
According to legend, to determine whether the king's crown was made of pure gold, Archimedes measured the crown's volume by
1. 4 answers
2. asked by y912f
3. 1,997 views
Adding Rational Expressions1. 4m-2/3m+2 + 6m -4/ 3m+2=
1. 4 answers
2. asked by jaz
3. 571 views
Adding Rational Expressions9/xy^3+m - 7ap/xy^3m= x/3+c/y+4/z=
1. 4 answers
2. asked by will
3. 465 views
(x+8)/2+(x-2)/5
1. 1 answer
2. asked by Lorena
3. 348 views
describe the effect of cyanide and arsenic on cellular repiration. Include the effect of these poisons on the electron transport
1. 2 answers
2. asked by Caleb
3. 583 views
i need help thinking of Criterion for my evaluative essay..i'm writing on a piece of literature..i need to write what criteria
1. 3 answers
2. asked by Bella
3. 611 views
how do you integrate dx/(x^2*(x^2+4)^1/2)
1. 1 answer
2. asked by Lauren
3. 378 views
how do you integrate 30x^2/(x-2)(x+3)(x-5)
1. 1 answer
2. asked by Lauren
3. 385 views
Adding Rational Expressionsm/p^2 + 3/p^3 - 4
1. 1 answer
2. asked by will
3. 435 views
I have to identify and discuss what approach (ego psychology, behaviorism, cognitive-behaviorism, and crisis intervention) would
1. 1 answer
2. asked by Linda
3. 973 views
What different physical arrangements have you seen in the classrooms you’ve observed? Which arrangements seem most effective?
1. 4 answers
2. asked by luli
3. 625 views
what is music
1. 3 answers
2. asked by Rose
3. 369 views
what is the difference between a compressional wave with a large amplitude and one with a small amplitude
1. 2 answers
2. asked by jennie
3. 880 views
What are some questions I can ask at an interview with a potato chip lover? Like, what are good questions, where the answer I
1. 4 answers
2. asked by Angie
3. 583 views
Adding Rational Expressionsm/p^2 + 3/p^3 - 4
1. 1 answer
2. asked by jaz
3. 459 views
I'm writing a story and I have very mean character and this character is having an argument with his brother. They are throwing
1. 3 answers
2. asked by anna
3. 594 views
You're likely to encounter formal service in all of the following settings except which one?
1. 4 answers
2. asked by Anonymous
3. 467 views
What is the rule for x to become y?x y 0 20 1 56 2 92 3 128
1. 1 answer
2. asked by Angie
3. 401 views
I need to know about congruent angles IN vertical angles for a test tomorrow.
1. 4 answers
2. asked by Austin
3. 564 views
Mrs. Sue, I redid the whole article again and I took your advice could you please check this over. If you need to go back and
1. 2 answers
2. asked by Valentine's Sweetheart
3. 524 views
i need help.Calculate the pH of a 0.24 M CoCl3 solution. The Ka value for Co(H2O)63+ is 1.0 10-5. how do u do these with like
1. 4 answers
2. asked by Lindsey
3. 1,952 views
"Solve each system algebraically. Identify each system as cosistent and dependent, cosistent and independant, or inconsistant."m
1. 7 answers
2. asked by Mel
3. 520 views
Summarize the issues that divided Martin Luther from the Catholic Church.and how did Luther'ss theological teachings redefine
1. 7 answers
2. asked by A-tan
3. 709 views
For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled.I am having trouble
1. 2 answers
2. asked by Mario
3. 537 views

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