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Questions Asked on September 27, 2006

The question is: A student performs a crystallization on an impure sample of biphenyl. The sample weighs 0.5g and contains about
1. 2 answers
2. asked by Sheryl
3. 4,609 views
Benzyl alcohol is not a good sovent with which to crystallize fluorenol. The melting point looks okay so I'm assuming that
1. 5 answers
2. asked by Sheryl
3. 4,387 views
Question: What would happen if a hot saturated solution were filtered by vacuum filtration using a Buchner funnel? Hint: Cooling
1. 1 answer
2. asked by Sheryl
3. 3,131 views
The exact question is: Benzyl alcohol (bp 205 degree C) was selected by a student to crystallize fluorenol (mp 153-154 degrees
1. 1 answer
2. asked by DrBob222
3. 2,834 views
A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the
1. 1 answer
2. asked by Katelyn
3. 1,707 views
Equations of the tangent lines to hyperbola xy=1 that pass through point (-1,1)I know the graph of y=1/x but not sure about the
1. 1 answer
2. asked by Melba
3. 1,610 views
Junior ate 30% of the sandwiches at the picnic. If he ate 1 ½ sandwiches, how manysandwiches were there? you cant solve this
1. 1 answer
2. asked by jessica
3. 1,467 views
Where in the Constitution are judicial nominations described?What language is used to describe the roll of the Senate in Supreme
1. 2 answers
2. asked by Kristin
3. 1,448 views
what is the derivative of sinx- cosy = 0 in its simplest form? I got to the point y'=-consx/siny, but I wasn't too sure. This
1. 0 answers
2. asked by lil
3. 1,356 views
Can you unscramble ecuminrof girnwithttp://www.unscramble.net/ ___________ writing =) Hi my name is carley ragan and i need help
1. 2 answers
2. asked by debbie
3. 1,325 views
Find the area of the region bounded by the parabola y=x^2, the tangent line to this parabola at (1,1) and the x-axis.I don't
1. 0 answers
2. asked by Hebe
3. 1,256 views
need to find:lim as x -> 0 of 4(e^2x - 1) / (e^x -1) Try splitting the limit for the numerator and denominator lim lim x->0
1. 0 answers
2. asked by brian
3. 1,247 views
The x component of vector A is -25 m and the y component is 40ma) what is the magnitude of vector A b)What is the angle between
1. 0 answers
2. asked by jenny
3. 1,195 views
Can anyone help me with this one question that I'm stumped on?The process by which a web-spinning spider makes a "sketch" of a
1. 0 answers
2. asked by Travis
3. 1,096 views
If your are in a first-year macro economics course then...1) yes government purchases can increase total income. 2) cutting
1. 0 answers
2. asked by economyst
3. 1,057 views
Geometry riddlHow did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and
1. 0 answers
2. asked by Debra
3. 1,055 views
l = lim as x approaches 0 of x/(the square root of (1+x) - the square root of (1-x)decide whether: l=-1 or l=0 or l=1 Let me
1. 0 answers
2. asked by ronan
3. 1,003 views
i have my input output table but i don't know how to complete the sentenceinputx / 0/ 1/ 2/ 3/ outputy/ 0/ 1/ 4/ 9/ the question
1. 1 answer
2. asked by alejandra
3. 914 views
What does environmental studies meanEnvironmental studies is the systematic study of human interaction with their natural
1. 0 answers
2. asked by short attention span
3. 898 views
A car crashes into a wall at 20 m/s and is brought to rest in 0.1 s. Calculate the average force exerted on a 75 kg test dummy
1. 1 answer
2. asked by barry
3. 896 views
FIve years ago Zack would have been three times older than his young brother but five years from now he will only be two times
1. 1 answer
2. asked by Oscar
3. 891 views
Lillian (mass 46.0 Kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 4.0 m/s. What is the
1. 1 answer
2. asked by jennifer
3. 846 views
how much effort is needed to lift 300 newtons with a pulley?If by effort you mean force, then the answer is 300 N (300 Newtons).
1. 1 answer
2. asked by carla
3. 838 views
How would you set up a simple experiment to test whether salt crystal growth is affected by temperatureIt might help if you were
1. 0 answers
2. asked by teri
3. 835 views
Explain the difference between the government purchases multiplier and the net tax multiplier. If the MPC falls, what happens to
1. 0 answers
2. asked by looj
3. 818 views
In the Book "The English Patient".How does the landscape of the novel--the Villa San Girolamo, the country around it, and the
1. 0 answers
2. asked by Yi
3. 817 views
What type of cells are infected by measlesSince this is not my area of expertise, I searched Google under the key words "<I>
1. 0 answers
2. asked by nique from dallas
3. 778 views
how did the renaissance help pave the way for the scientific method?i have a quiz on a map test for the muslim area, i need help
1. 0 answers
2. asked by tucker
3. 761 views
derivative:4/(1-2x^2) Use the general formula for deriving fractions. I remember a nmemonic like "lo di hi less hi di lo all
1. 0 answers
2. asked by joe
3. 754 views
my homework is to find pronouns(thats no problem) and then i have to tell whether it's nominative, objective, or possessive. i
1. 0 answers
2. asked by Junelle
3. 752 views
What are the elements of a short story and what about charater in the elements?Since this is not my area of expertise, I
1. 0 answers
2. asked by Sam
3. 744 views
Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whoseheight is 17 cm. am i right that
1. 0 answers
2. asked by cassii
3. 733 views
Question concerning production function - Cobb douglas. Given is:y=(0,2K-1 + 0,8L-1)-1 If wk = wL =1, what will k and L be? Now
1. 0 answers
2. asked by ellen
3. 726 views
1.identify the 2 major reservoirs of carbon dioxide into the atmosphere2.what are the forms in which carbonis found n the oceans
1. 0 answers
2. asked by celina
3. 725 views
In the Book, "the English patient".What can you deduce from the novel about Hana's relationship with her father? Has her
1. 0 answers
2. asked by chen
3. 721 views
what does bias mean?In referring to cloth, the bias is diagonal to the weave; it's not vertical nor horizontal -- it's diagonal.
1. 0 answers
2. asked by tami
3. 721 views
How do you draw a polar curve?For example, r=2+cos2(thetha) You need to plot points where theta varies from 0 to 2pi, unless you
1. 0 answers
2. asked by J.
3. 696 views
explain the view that physical education is a process of educating the whole personChloe, this is just my opinion, but it is
1. 0 answers
2. asked by chloe
3. 695 views
If one body is positively charged and another body is negatively charged, will the free electrons tend to move from the
1. 2 answers
2. asked by Ed
3. 678 views
538,605 the eight is under lined. the question is use the place vaule. Round each nimber to the place vaule of the under lined
1. 0 answers
2. asked by Genesis
3. 671 views
A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the
1. 0 answers
2. asked by Katelyn
3. 667 views
The CN Tower is 553m high. A person in a boat on Lake Ontario, at a point B due south of the tower, observes the top (T) of the
1. 0 answers
2. asked by Kaitlin
3. 653 views
What is the disadvantage of the English system? Please and thank you!!!The advantage of the metric system is that units differ
1. 0 answers
2. asked by Pyrgus
3. 643 views
what are the three steps in a conclusion in the scientific method?I'm a 9th grader I'm not sure what you are asking. Perhaps a
1. 1 answer
2. asked by Brandon
3. 638 views
Indentify what category (protein, carbohydrate, or lipid) each of the following is:hemoglobin, ligaments, RNA, DNA, muscle
1. 0 answers
2. asked by Natalia
3. 633 views
The CN Tower is 553m high. A person in a boat on Lake Ontario, at a point B due south of the tower, observes the top (T) of the
1. 0 answers
2. asked by Kaitlin
3. 630 views
I had a conversation with the boss of a building firm who were working at our property. I was complaining of shoddy workmanship
1. 0 answers
2. asked by Mike
3. 627 views
My son has recently read in class, Things Fall Apart, Chinua Achebe. He has an upcoming test. One of the items will be about,
1. 0 answers
2. asked by M.
3. 624 views
In the book "The English Patient".Why did Hana decide to have an abortion during the war? How has that decision affected her,
1. 0 answers
2. asked by chen
3. 623 views
what r the laws and punishment for each laws in Japan ?If you want to knoow about Japanese laws, this is a very broad subject.
1. 0 answers
2. asked by kayla
3. 622 views
In the book "The English Patient",The English patient "whispers again, dragging the listening heart of the young nurse beside
1. 0 answers
2. asked by chen
3. 621 views
Determine whether each of the following, other things held constant, would lead to an increase, a decrease, or no change in
1. 0 answers
2. asked by hadi
3. 618 views
Given: Segements JK, KL, LM, MN, and NJ with only J, K, and L collinear.What is the Conjecture?
1. 0 answers
2. asked by Amanda
3. 609 views
find the derivative ofy = sqrt(9 - 16x) Use the chain rule. First find the derivative of the sqrt, and multiply that by the
1. 0 answers
2. asked by joe
3. 608 views
where was the first oil factory and is it still standing todayWhat do you mean by "oil factory"? The ancient greeks made olive
1. 0 answers
2. asked by tomilola
3. 608 views
What are the a) x components of a verctor a in the xy plane if its direction is 250 degrees counterclockwise from the positive
1. 0 answers
2. asked by jenny
3. 602 views
Can you give me some input on the short story "the other wife"I've never read this story, but when I entered <b>"the other
1. 0 answers
2. asked by sharon
3. 600 views
Assuming the molor mass of paraffin is 280 g/mol, calculate the # of mols of paraffin burned. Then calculate the heat of
1. 0 answers
2. asked by dan
3. 592 views
how do you write out proofs?To be more specific with my question, how do you find the alternate exterior angles theorem? Be sure
1. 0 answers
2. asked by chelsea
3. 568 views
5.1998 Price Quantitycauliflower $200 100 broccoli $ 75 50 carrots $ 50 500 Total $325 Weight of each good weight for
1. 0 answers
2. asked by shelby
3. 551 views
I need a sentencewith sentence opening, sentence closing, and subject/verb splitting participial phrases
1. 0 answers
2. asked by nique from dallas
3. 546 views
We would like to test 3 different treatments on a particular type of plant. A worker at the local greenhouse will allow us to
1. 0 answers
2. asked by Lindz
3. 543 views
Hey, I have to write a 200-250 word paper on my life in the future as a famous person. I am in a magazine, and i have to write
1. 0 answers
2. asked by Mark
3. 539 views
solve for xac+x=xy have all terms with x on one side ac=xy-x take x as common factor ac=x(y-1) now solve for x 25a^2 - 9b^4 can
1. 0 answers
2. asked by Mark
3. 536 views
Add: b^−3 ca^−1 −xc^−2how would i do this ? Let me make sure I have the question right. We have b^(−3) ca(^−1)
1. 0 answers
2. asked by jessica
3. 535 views
express distance as a function of time traveled.jason leaves detroit @ 2pm & drives at constant speed west. he passes ann arbor,
1. 0 answers
2. asked by hawkstar
3. 528 views
Can someone please tell me the tools needed to measure amount of substance, area, volume, density, energy, and pressure? Thanks
1. 0 answers
2. asked by Boromir
3. 524 views
what processes in the transparency release dioxide into the atmosphereSee the sources in my response to your other post. I hope
1. 0 answers
2. asked by celina
3. 514 views
how do i figure out this problem i have to make the equation true by inserting one or more parenthesisa. 2 * 3^2 + 4 * 3 - 1 =
1. 0 answers
2. asked by Eliana
3. 499 views
find the HAs ofy = (x-9) / sqr(4x^2 + 3x+ 2) What happens to y as x goes to +/- infinity? Specifically, is y approaching some
1. 0 answers
2. asked by brian
3. 494 views
How do i find total displacement in in^3/min if i have the bore and stroke and and rpm and number of cylinder. i can calculate
1. 0 answers
2. asked by Matt
3. 487 views
how do i write out the notes of the e minor triadThe Triad would be E, G, B. Think of the below as a staff. __________________
1. 0 answers
2. asked by kirsty
3. 464 views
John has 75 books in his store. If he originally had 200 books, what percent of theoriginal number of books remains ? 37.5 % am
1. 0 answers
2. asked by cassii
3. 461 views
i need help in econimics identify 2 product categories that are easy tosell on the internet. then identify 2 others that are not
1. 0 answers
2. asked by soos
3. 454 views
Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whoseheight is 17 cm. [A] 153ð cm^3 [B] 612ð
1. 0 answers
2. asked by cassii
3. 445 views
2x +6y =-24This is a linear equation that can be simplified by dividing through by 2. What else do you need to do with it?
1. 0 answers
2. asked by irene
3. 441 views
can you please show me a picture on the back of a postcard? thanks.http://www.postcardsfrom.com/ There are some examples here.
1. 0 answers
2. asked by amy
3. 417 views
could someone please help me come up with a sentence for the word facet and the word egalitarianism?http://www.answers.com/facet
1. 0 answers
2. asked by Anonymous
3. 402 views
is this correct?given: f(x)=x/x+1 find: f(2+h) = f(2) + f(h) = 2/3 + h/h+1 To find f(2+h) replace it into original equation
1. 0 answers
2. asked by hawkstar
3. 334 views
Who is Anna Akhmatova?!!!!
1. 0 answers
2. asked by Kamilah
3. 334 views

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