Questions Asked on
March 24, 2007

  1. Economics

    Questions: Are the following workers more likely to experience short-term or long-term unemployment? Explain. a. A construction worker laid off because of bad weather. b. A manufacturing worker who loses her job at a plant in an isolated area. c. A

    asked by Sarah
  2. Math

    Suppose you have two numbers. The difference of the two numbers is 12. The product of the two numbers is 17. Multiply the larger of the two numbers by 100, add 50 times the smaller number to that, round the total to the nearest whole number. That starts

    asked by Lesa
  3. PHYSICS

    Particles 1 and 2, each of mass m, are attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 19 cm and L2 = 75 cm. The rod is held horizontally on the fulcrum and then released. What is the magnitude of the initial acceleration of

    asked by Calvin
  4. Chemistry

    Calculate the freezing point depression and osmotic pressure at 25 degrees C of an aqueous solution of 1.0 g/L of a protein (mol wt= 90,000) if the density of the solution is 1.0 g/mL. I know how to calculate freezing point depression and osmotic pressure,

    asked by Jessica
  5. General chem lab

    This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water

    asked by Toni
  6. The Crucible (ACT TWO)

    why have so many people been arrested? an what is motivating the officials? http://www.sparknotes.com/lit It's been far too long since I read that play to remember such specifics, but if you click on the C when you get to the above linked website, you'll

    asked by Bryan
  7. Science

    Will mulch self combust? wt? Thank you for using the Jiskha Homewwork Help Forum. It could, depending upon the mulch! http://www.environmental-expert.com/resulteacharticle4.asp?cid=6042&codi=4137 I have had hay catch on fire...was green and moist when

    asked by Darlene
  8. PHYSICS

    An irregularly shaped plastic plate with uniform thickness and density (mass per unit volume) is to be rotated around an axle that is perpendicular to the plate face and through point O. The rotational inertia of the plate about that axle is measured with

    asked by Charlene
  9. PHYSICS

    Particles 1 and 2, each of mass m, are attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 19 cm and L2 = 75 cm. The rod is held horizontally on the fulcrum and then released. What is the magnitude of the initial acceleration of

    asked by Calvin
  10. Physics

    A rotating door is made from four rectangular glass panes. The mass of each pane is 90kg. A person pushes on the outer edge of one pane with a force of F=70N that is directed perpendicular to the pane. Determine the magnitude of the door's angular

    asked by CJ
  11. PHYSICS

    A yo-yo-shaped device mounted on a horizontal frictionless axis is used to lift a 19-kg box. The outer radius R of the device is 0.50 m, and the radius r of the hub is 0.20 m. When a constant horizontal force !@#$%^&p of magnitude 154 N is applied to a

    asked by Calvin
  12. Jim

    I need some help with calculating percent yield and percent purity of aspirin. Here's my data (questions follow): SYNTHESIS Mass of salicylic acid.., 2.0 g Volume of acetic anhydride.., 5 mL Mass of watch glass.., 22.10 g Mass of aspirin and watch glass..,

    asked by Chemistry
  13. Internation Business

    Debating the ethics of doing business in countries with totalitarian governments. Debating the ethics of doing business in countries with totalitarian governments. Obviously, most citizens of the United States would agree that totalitarian governments are

    asked by Johnny
  14. PHYSICS

    An irregularly shaped plastic plate with uniform thickness and density (mass per unit volume) is to be rotated around an axle that is perpendicular to the plate face and through point O. The rotational inertia of the plate about that axle is measured with

    asked by Calvin
  15. chemistry

    How many grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? I got 19 grams. this is how I got it. first I found the mass of water = 18g then I converted that to mols 18/250 = .0072. I subtracted 0.072 - 0.40 = 0.328 I found the

    asked by davis
  16. chemistry

    I need some help with calculating percent yield and percent purity of aspirin. Here's my data (questions follow): SYNTHESIS Mass of salicylic acid.., 2.0 g Volume of acetic anhydride.., 5 mL Mass of watch glass.., 22.10 g Mass of aspirin and watch glass..,

    asked by Jim
  17. science

    what is the seasonal temperature and the rainfall amount for China northeast temperate forest, for all four seasons? Since this is not my area of expertise, I searched Google under the key words "temperature rainfall China" to get these possible sources:

    asked by kimmy
  18. science

    hi guys I really need some help with my homework its so confusing here it is. 5.00g of glucose,C6H12O6, is dissolved in 500g of acetic acid. What is the new freezing point and boiling point for the solution? Kf,acetic acid = 3.90 Kb,acetic acid = 3.07

    asked by stacy
  19. math, correction plz

    Can someone correct these for me.PLZ Problem#1 Directions solve equation ãx+4 = 3 My answer: x = 5 Probelm #2 Directions solve equation ã(4x+1) + 3 = 0 My answer x = 2 Problem #3 Directions solve equation ã(2y+7)+4=y My answer y= 1 and y = 9 the

    asked by jas20
  20. Angular acceleration

    Appreciate if someone can advise on how to calculate the following: A hoist lifts a 3.5kg load from rest, and has a final velocity of 2 m/s after 4 seconds. The motor can develop a torque of 4 Nm. Determine: i) The linear acceleration of the mass. ii) The

    asked by BIGEYE
  21. math,correction

    Find length x in each triangle. Express your answer in simplified radical form. leg 1 = 8 leg 2 = x hypotenuse = 12 MY answer: so x = ã80 I got √80 or appr. 8.94 yes the symbol is a radical. also since the directions say to leave as a radical form

    asked by jas20
  22. local nature trail

    Hi i ahve to create a local naturetrail on my area.It has to incorportae science, geography and histiry features.I ahve made out the questions and pictures but I am not very good with microsoft word and need someone to help put it together.Any ideas??

    asked by sara
  23. chemistry

    Water in contact with air is acidic due to the dissolved carbon dioxide. Water in equilibrium with the air contains 4.4 x 10^-6% CO2. The resulting carbonic acid, H2CO3,gives the solution a hydrogen ion concentration of 2.0 x 10^-6M, about 20 times larger

    asked by Heather
  24. Physics

    A lunch tray is being held in one hand. The mass of the tray itself is 0.240kg, and its center of gravity is located at its geometrical center. on the tray is a 1.00 kg plate of food and a 0.300kg cup of coffee. Obtain the force T exerted by the thumb and

    asked by Cavin
  25. english

    How rhetorical definitions, comparisons and explanations differ? These sites should provide you that information: This site is intended to help beginners, as well as experts, make sense of rhetoric, both on the small scale (definitions and examples of

    asked by gigi
  26. chem

    I am posed with a question which, in order to be solved, needs the Van't Hoff Factor of ethylene glycol. Some research has shown me that ethylene glycol is an electrolyte, but I don't know how it dissociates in water. Any help would be appreciated. It is

    asked by Jakob
  27. English

    Are the words "To Whom It May Cornern" all capitalized in a letter? Is that statement followed by a colon (:) or semi-colon (;)? Yes. But that is the last resort on a letter, it ought to be addressed to the person whom you intend to read it. To Whom It May

    asked by Michelle
  28. biography

    What are two or three most important lesson you or any other young person might learn from the way Vincent van Gogh lived? http://en.wikipedia.org/wiki/Vincent_Van_Gogh Many will be obvious when you read over the biography of him at this site. =)

    asked by Rosa
  29. Social Studies

    I'm doing a cruise project for geography, and I'm trying to look for a map of a cruise route from California to Japan. Help plz! Much thanks to those who help.

    asked by Sandra
  30. math,correction

    Problem #1 Simplify by combining like terms. xã(18) -3ã(8x^2) My answer: -3xã(2) Problem #2 Simplify each radical expression. (ã(3) + 5)(ã(3) - 3) My answer: -12 see my previous post, don't understand your symbol ã sorry they are radicals

    asked by jas20
  31. Science

    List all of the things that are physical property. You will find some listed here. http://nobel.scas.bcit.ca/chem0010/unit2/2.2_properties_physical.htm There are very many others, but they would require a lot of effort to explain what they mean. Isn't

    asked by Lisa
  32. biology

    Help required, Gametes are produced in the process of meiosis. In humans, one pair of autosmes (chromosome 4) has a short arm and a long arm. On the short arm is a gene for Huntington disease (H) and on the long arm is a gene for red hair(R). Draw a

    asked by ruby
  33. biographies

    In what ways were Vincent van Gogh's life remarkable? See the above site

    asked by Rose
  34. biographies

    In what ways were Vincent van Gogh's life despicable? This site should help you with that question. http://www.vangoghgallery.com/misc/bio.htm Thank you for using the Jiskha Homework Help Forum. In addition to the excellent site you already have, here are

    asked by Rose
  35. science

    what is an atomic mass unit? What are the approximate masses of the subatomic particles, expressed in atomic mass units? http://www.dummies.com/WileyCDA/DummiesArticle/id-1668.html

    asked by Anonymous
  36. sciencie

    what are the two requirements of matter and can matter exist at absolute zero You just need to post a question once. Repeated posts will not get a quicker response, and they distract tutors from other posts that they could be answering. I hope this helps.

    asked by Chris
  37. math

    In most businesses, increasing prices of products can negatively impact the number of customers. A bus company in a small town has an average number of riders of 800 per day. The bus company charges $2.25 for a ride. They conducted a survey of their

    asked by coni
  38. math ,correction

    Problem#1 Directions: Find the distance between each pair of points. (-3,0) and (4,0) My answer: d = 7 Problem #2 Directions:Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth. Points

    asked by jas20
  39. Economics

    What is the differemce between "the law of one price" and "PPP"? Check this site for explanations. http://internationalecon.com/Finance/Fch30/F30-1.php

    asked by Angel
  40. Art Appreciation

    On the internet, look up and list more than one definition of the word "art." You can use online reference sources Go to www.google.com In quotation marks, type in "what is art?" If that comes up with nothing. Try typing in "Art is" Should be able to get a

    asked by Adam
  41. biology

    in addition to the above a labelled diagram is also required to show the product cells derived from this cell at the telophase 2 stage of meiosis.there is no crossng over.what differences would there be in the product cells at telophase 2 of meiosis if

    asked by ruby
  42. science

    What are the bamboo adaptaions for northeast China temperate forest. I could only find two facts and I need 5, plus a resource.

    asked by kimmy
  43. Price Discrimination

    Why does phone company offer different pricing structures for business and personal phone lines? I don't know for sure, but it is probably because business phones are making a profit (they hope) via phone usage. I hope this helps. Thanks for asking.

    asked by Vivian
  44. English

    A-Polygamy should be legalized. B-The voting age should be lowered to sixteen. C-The prison system should give greater emphasis to the punishment of in mates than to their rehabilitation. D-Doctors and clinics should be required to notify parents of minors

    asked by matt
  45. math

    m

    asked by patti help
  46. sciencie

    what are the two requirements can matter exist at absolute zero Absolute zero means that there is NO heat. Even an electron moving around its nucleus generates heat, although it is minimal. The requirements you are seeking are for what? If you respond to

    asked by Chris
  47. Bus law

    In 1991 the Tailhook Association (mostly male military aviators) hosted their annual convention at the Las Vegas Hilton Hotel, despite the fact that they had known that during previous Tailhook conventions rowdy men in the hotel hallways had accosted young

    asked by matt
  48. please help!!!!!

    I need current human rights issues in Canada... and google doesnt help me!! Does anybody have any suggestions? Thank you for using the Jiskha Homework Help Forum. Reuter's always has news from every country. Here are some to try: 1.

    asked by Tish
  49. u.s government

    how does freedom and democracy changed overtime in the united states? When we first became a country, only white males could vote and enjoy full citizenship. Today, everyone over age 18 can vote and are full citizens.

    asked by cassandra
  50. math correction

    Problem#1 Find the length x in each triangle. Express your answer in simplified radical form. Leg 1 = 8 hypotenuse = 10 leg 2 = x My answer is: x = ã27 Problem #2 Geometry. For the home described in exercise 15, if the roof is 7 m from peak to eave and

    asked by jas20
  51. Math

    At a fair run by a local charity organization, it costs 50 cents to try one’s luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer, if they pay $4 if and only if a person draws an ace? The probability of

    asked by Carlos
  52. English

    Name one advantages & one limitaion of the short poem in conveying meaning to the reader (compared to say, a longer poem e.g. a sonnet). http://www.jiskha.com/display.cgi?id=1174475137 Already answered! =)

    asked by Low
  53. Financial analysis

    If the risk-free rate is 6 percent and the expected rate of return on the marketportfolio is 14 percent, is a security with a beta of 1.25 and an expected rate of return of 16 percent overpriced or underpriced?

    asked by Vanessa Belunek