Questions Asked on
April 10, 2010

Chemistry
Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case). SO2 N2O N3−
asked by Johannie 
physics
Two charges separated by 1 meter exert a 1 N force on eachother. If the magnitude of each charge is doubled, the force on each charge is?
asked by Jenny 
Calculus
A fence is 1.5m high and is 1m from a wall. A ladder must start from the ground, touch the top of the fence, and rest somewhere on the wall. Calculate the minimun lenght of the ladder. I drew a diagram and i ended up with a right angle triangle. i made the
asked by lala 
chemistry
1) All of the following are oxidationreduction reactions except (a) 2Al(s) + Fe2O3(s) > A12O3(s) + 2Fe(s) (b) (NH4)2Cr2O7(s) > Cr2O3(s) + N2(g) + H2O(1) (c) Cu(s) + 2H2SO4(aq) > CuSO4(aq) + SO2(g) + 2H2O(1) (d) Hg(NO3)2 + 4KI > K2HgI4(aq) + 2
asked by write2khin 
12th grade.physics
three equal and similar charges each of 'q' units are placed at the corners of the square of side 'a' .find the electric field strength at the fourth corner?
asked by nikita 
accounting
Total vending machine sales were $2,300 for the month of May. What account are affected
asked by Armetrice 
chemistry
a 5.0 g sample of KBr at 25.0
asked by Anonymous 
chemistry
1) All of the following are oxidationreduction reactions except (a) 2Al(s) + Fe2O3(s) ¨A12O3(s) + 2Fe(s) (b) (NH4)2Cr2O7(s) ¨ Cr2O3(s) + N2(g) + H2O(1) (c) Cu(s) + 2H2SO4(aq) ¨ CuSO4(aq) + SO2(g) + 2H2O(1) (d) Hg(NO3)2 + 4KI ¨ K2HgI4(aq) + 2
asked by write2khin 
Chemistry
Marble is almost pure CaCO3. Acid rain has a devastating effect on marble statuary left outdoors. Assume that the reaction which occurs as: CaCO3(s)+ H+(aq)>Ca2+(aq) + HCO3(aq) Neglecting all other competing, equilibria, Calculate: 1. K for the reaction
asked by Judy 
help factoring this trinomial
2x^210x+8
asked by jerson 
Math 62
solve x2y=2 and 2x4y=3 then graph each equation
asked by Jeri 
math
grace has 16 jellybeans in a bag. she has 8 red ones, 4 green ones and 4 blue ones. what is the minimum number of jellybeans she must take out of her bag to ensure she has one of each color?
asked by herkell 
math 2
if r=5z, then 15z=3y, then r= ?
asked by karen 
art 101
what are vanishing points used for?
asked by rmz 
English
What are some problems with online learning vs. traditional learning?
asked by Mary 
English
If online learning has become so popular, how would a traditional teacher make their teaching more engaging so that students do not end up dropping out of schools?
asked by Mary 
Chemistry 2 Questions
two different questions: (1): give an example of the formation of an ionic compound from its elements. (2): why is the presence of a dipole moment in the water molecue so imporant? What are some properties of water that are determined by its polarity?
asked by Amy 
Chemistry
What's the balanced chemical equation of cleaning up oil, whether it be a spill, pipe etc.
asked by Juggy 
CRT 205
Assignment: Argument Evaluation · Read the article “Controlling Irrational Fears After 9/11” on pp. 456–458 of Appendix 1. · Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then,
asked by monique 
Algebra1
a company sells brass and steel machine parts. One shipment contain 3 brass and 10 steel parts and cost 48.00. A second shipment contain 7 brass and 4 steel parts and cost 54.00. Find the cost of each type of machine part. How much would a shipment
asked by jj 
Biology
What are the resulting genotypes of angiosperm's double fertilization?
asked by Mary 
calculus
what is the differential of ln (x)sqr?
asked by Jim 
world history
Who was the George Washington of South America?
asked by mat 
Chemistry
why shold you heat the evaporating dish containing the contents to fume hood. Why should the content be heated in the fume hood.
asked by Sarah 
Itroductory Physical Science
Spherical lead shot are poured into a square tray, 10 centimeters on a side, until they completely cover the bottom. The shot are poured from the tray into a graduated cylinder, which they fill to the 20cm3 mark. What is the diameter of a single shot? How
asked by Sara 
Physics
the displacement of an object of 1 kg mass as a function of time t in xy plane is given by x = 20t + 30t^2 and y = 25  40t in the units of meters the units of x and y are in meters and t is in seconds the force acting on the object is and then there's
asked by Allomabian 
English
Thank you very much for your corrections. These are the very last sentences of the day.I need to rephrase a few sentences, too. Thank you very much in advance. 1.Can you say “the aristocracy grew in importance/lost importance”? 2.First the serpent
asked by Franco 
Physics
the displacement of an object of 1 kg mass as a function of time t in xy plane is given by x = 20t + 30t^2 and y = 25  40t in the units of meters the units of x and y are in meters and t is in seconds the force acting on the object is and then there's
asked by Allomabian 
Physics
:o Nevermind. Got it, thanks.
asked by Allomabian 
physics
A satellite moves in a circular orbit around Earth at a speed of 4390 m/s (a) Determine the satellite's altitude above the surface of Earth.(meters) (b) Determine the period of the satellite's orbit. (hours) I used the equation M(sattelite)V^2/r =
asked by Kelsey 
AED
What do you think are the greatest strengths and weaknesses of the current special educational system in America??
asked by GGIFT 
socials
With a partner, do some research on James I. Write a character sketch of James, What directions would you give to an actor asked to portray James I in a film?
asked by adam 
socials
Prepare a defiance for the proposition that the Divine right of kings is necessary to good government.
asked by adam 
business
How can lean manufacturing and nearsourcing help a company gain a competitive edge and prepare for the future?
asked by Tanza 
socials
Explain the difference between a king ruling with absolute power and one ruling within parliamentary restraints
asked by adam 
chemistry
explain how you would convert from number of atoms of a specific element to its mass
asked by veronika 
scoials
Do you think the civil war was a religious war, a political war, or both? Write two short notes to the king. In the first, explain why, as a puritan, you think civil war is probable for religious reasons. In the second, explain why civil war is likely for
asked by adam 
Business and Technology
How did U.S. manufacturers become vulnerable to offshore outsourcing? Give examples to support your answers.
asked by Denise 
Chemistry
What is the calculated value of the partial pressure (atm) of O2 in acid mine water of pH 2.500, in which [Fe3+] = [Fe2+]?
asked by Laura 
Annuity!
When Raisel's son was born, she put $7,500 in an investment that earns 5.25% compounded quarterly. This investment will mature when her son turns 18 and will go straight into an annuity at 7.25% compounded and paying out monthly at the end of the period.
asked by Thara! 
Math
I was thinking that I have to multiply but that doesn't make sense. However, I am terrible at story problems. A child's dose of medicine is 1/6 of a premeasured dose cup. If the bottle of a medicine is the size of 9 doses, how many children's doses are
asked by Bart 
chemistry
How much heat is required to raise the temperature of 20.0g of H2O from 18.0 Celcius to 28.0 Celcius?
asked by Abbie 
Math probability
A bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at random. What is the probability that both marbles are red?
asked by nicole 
Math! plz help!
When Cody's son was born, he put $4,500 in an investment that earns 7% compounded semiannually. This investment will mature when his son turns 18 and will go straight into an annuity at 4.75% compounded and paying out quarterly at the end of the period.
asked by Thara! 
Math
A 6pack of 4oz containers of yogaurt costs 2.99. what is the unit price in cents per ounce? Round to the nearest hundredths of a cent. First I would take 6 x 4 = 24 oz. Then I would divide 2.99/24 and get an answer of .1245833. Would my answer be 12
asked by Bart 
physics(I'm taking a different way to solve)
In the 1968 Olympic Games, University of Oregon jumper !@#$%^& Fosbury introduced a new technique of high jumping called the "Fosbury flop." It contributed to raising the world record by about 30 cm and is presently used by nearly every worldclass jumper.
asked by phys 
Physics
The boiling point of the helium at i atm is 4.2 k, what is the volume occupied by the helium gas due to evaporation of 30 g of liquid at 1 atm pressure and a temperature of 5.2 k. Answer in L
asked by John 
accounting
create a balance sheet for this company from May 1 to August 31.Deposit$1000,$600 loan,August 31balance of checkbook=$690,$400 supplies,Owe employees$1900.00+$200more,$600 for 6 month lease in advance,$300 repair bill,$300 trailor for equipment,$460
asked by Maya 
PHYSICS Gr.11
i am completely confued :( what are balanced and unbalanced forces? How can u tell by looking at a free body diagram and/or a problem? thanks
asked by NINI 
English 12
In my essay: How do I distinguish my ideas from paraphrasing (with appropriate citation at end of paraphrase)so that the entire paragraph does not look like a paraphrase?
asked by Anonymous 
History
What impact did Martin Luther and John Calvin have upon the perceptions and events of the Old World?
asked by Monique 
trig
find the value of cosec(120 degrees)
asked by amira 
math help plz!
When Cody's son was born, he put $4,500 in an investment that earns 7% compounded semiannually. This investment will mature when his son turns 18 and will go straight into an annuity at 4.75% compounded and paying out quarterly at the end of the period.
asked by Thara! 
English
Let's write down what you can do with the computer. 1. I use the computer to chat with netizens in chatrooms. 2. I use the computer to do paper work. 3. I use the computer to make documents with the word processor, Excel. 4. I use the computer to surf the
asked by rfvv 
chemistry
If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?
asked by kristi 
chemistry
If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?
asked by kristi 
college
3^5x + 13 = 1/9
asked by jackie 
math
NO CLUE how TO DO THIS PROBLEM EXPLANATION AND ANSWERS? WE RECENTLY LEARNED TO DO Y=km^x+b IF THAT HELPS! You are a mathematician for a major movie company. You are figuring projected sales for their newest movie, which is currently being filmed. You find
asked by jade. 
Science
There are some sections on Charles Darwin that I need help with for an assignment: employment major influence in life activities/hobbies please help!
asked by Briana 
math problem
2^2x1 = 32^x2 2/x  1/2x= 1/2 (2 over x minus 1 over 2x equals 1 over 2) 3/x + 8/x5= 1 (3 over x plus 8 over x minus 5 equals 1)
asked by Karin 
English
Thank you very much for your last corrections. Can you please check the following sentences I wrote on the Canterbury tales, please?
asked by Franco 
science,
why look for black precipitate in the butt instead of on the surface of an h2s test?
asked by hana 
Math
proper subset of set x {3, 7, 11, 21, 39, 43, 567},
asked by Mariuch 
algebra
125x+7x
asked by Iisha 
chmeistry
50 ml of 0.1 M NaCl is mixed with 50 ml of 0.2 M AgNO3 predict whethera ppt of AgCl is formed or not
asked by Anonymous 
math plz help
ok so i have this math problem and it says to list the recipricol and i don't know what a recipricol can you tell me what it is?
asked by nicole 
math!
When Raisel's son was born, she put $7,500 in an investment that earns 5.25% compounded quarterly. This investment will mature when her son turns 18 and will go straight into an annuity at 7.25% compounded and paying out monthly at the end of the period.
asked by Thara! 
college math
Solve for x: √(2X+8)4=2
asked by CANE 
college math
Solve for x: √(2X+8)4=2
asked by CANE 
college math
Solve for x: √(2X+8)4=2
asked by CANE 
Biology
Need help answering these questions How can genetic engineering be applied to everyday life? How can genetic altering benefit the society of today and future societies? What areas of life could this manipulation of genes cause? Thanks MC
asked by mysterychicken 
English
I had problems in sending you my sentences on the Canterbury Tales. Can you please check them and let me know if the word choice is correct? Thank you very much in advance. 1)The tales are structured as a series of interlinked stories, told by a group of
asked by Franco 
Calculus
The hypotenuse od a right triangle is 12cm in lenht. Calculate the measures of the unknown angle in the triangle that will maximize its perimeter? I got the formula P= 12(1 + sin0 + cos0) and A= 12sin0cos0, but i don't know what to do next.
asked by Adeola 
accounting
A guest become ill and was unable to stay the entire week. A refund was issued in the amount of $1,000. What account was affected?
asked by Armetrice 
Chemistry
In a first order decomposition reaction, 50% of a compound decomposes in 10.5 min. What is the rate constant of the reaction? How long does it take for 75% of the compound to decompose? My professor did this problem in class: k = .693 / 10.5 mins = .066
asked by biggie 
Chemistry
I need help finding reactions beneficial to society. Here's the assignment quoted. "Your assignment is to research two different chemical reactions that are used to address social/environmental needs or problems. These reactions must clearly be attempting
asked by Crazy 
Chemistry
I need help finding reactions beneficial to society. Here's the assignment quoted. "Your assignment is to research two different chemical reactions that are used to address social/environmental needs or problems. These reactions must clearly be attempting
asked by Crazy 
math
austin invests 4500 with a bank at 5 1/4%simple interest. how much does he earn after a year. would the answer be 4500*.0525*1=236.25
asked by jennifer 
science
When you put the egg into the sock it helps lessen the bounce as it falling to the ground, but it will give air in the space .It also is an extra layer of protection for the egg. It’s the elevator effect. The sock can take up the shock of the fall. When
asked by Anonymous 
accounting
Your general manager called you into his office to discuss an ongoing problem. He explains that in the past, whenever he wanted to know how the projected income statement might change if sales volume changes, it would take weeks to have the accounting
asked by Brenda 
HCA 210
how would you ensure the mentally ill are placed into the appropriate care facility
asked by Tia 
Biology
What are the resulting genotypes of angiosperm's double fertilization?
asked by Mary 
math(advanced algebra&trigonometry)
The Vietnam Veterans Memorial in Washington, D.C., is made up of two walls, each 246.75 feet long, that meet at an angle of 125.2°. Find, to the nearest foot, the distance between the ends of the walls that do not meet.
asked by Rony 
Finance
If I invest £25,000 a year each year for 16 years and get a 5% return what will my total capital be ?
asked by Stephen 
health disease
What measures for disease prevention that were used historically should be used today? Why do you think some were discarded as preventive measures?
asked by brenda smith 
Finance
You will be paying $11,000 a year in tuition expenses at the end of the next two years. Bonds currently yield 11%. What maturity zerocoupon bond would immunize your obligation? I found the duration, but am having trouble finding the face value. Duration:
asked by Danielle 
English
Thank you for correcting my last sentences. I forgot to include a few more on the same subject. 1) Chaucer probably began writing the Canterbury Tales in about 1387 but he never completed it. 2)It was a huge project which would have included 120 tales if
asked by Franco 
English
Need help one more time :) I am teaching English as a foreign language(8th graders) I have a large text (A4 page) about Einstein.This text is divided into 7 paragraphs(Each paragraph deals with another aspect of Einstein's life  his childhood, life in
asked by refy 
city college
discuss the cultural versus evolutionary explanations for gender differences in aggressiveness.
asked by allison 
History
I have a history worksheet asking who administrated the German quadrants post WWII (It's looking for one word, not all of the countries). Was it the United Nations who administrated the quadrants??
asked by Adeline 
math 3
If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
asked by peter 
English
What does it mean to be civilized?
asked by Taylor 
economics
You are planning to estimate a shortrun production function for your firm, and you have collected the following data on labor usage and output: Labor Usage: 3 7 9 11 17 17 20 24 26 28 30 Output: 1 2 3 5 8 10 15 18 22 21 23 1) does a cubic equation appear
asked by Anonymous 
algebra
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with
asked by vera 
English
What does to mean to be civilized?
asked by Taylor 
English
What are some examples of being civilized?
asked by Taylor 
European History
What is the common theme between Modern Totalitarianism, Stalin's Collectivization, and the Kulaks?
asked by Kat 
algerbra 2
what are the other roots of 3x^412x^3+41x8x+26 that include 23i
asked by kaitlyn 
investing
(Dividend discount Model) Assume RHM is expected to pay a total cash dividend of $56.60 next year and its dividends are expected to grow at a rate of 6% per year forever. Assuming annual dividend payments, what is the current market value of a share of RHM
asked by Faye 
finance
The need for an increase or decrease in shortterm borrowing can be predicted by?
asked by mike 
History
Do you think America's policy of containment was more successful in Europe or Asia? (I said Europe because the war efforts in AsiaVietnam and Korea failed) but what do would you consider to be correct?
asked by Adeline 
human services
What are some time when client intervention in a timely matter important.
asked by Nicholl State University 
biology
what would the genotype and phenotype ratios be for a mother who carry's hemophilia and a father who is normals child?
asked by edna 
Art
I'm trying to find out what the differences and similarities are between: Impressionism Neoclassicism and Abstract Expressionism Examples of these arts are: The Emperor Napoleon in His Study at the Tuileries by Jacques Louis David (Impressionism) The
asked by Leah