Questions Asked on
November 26, 2008

  1. History

    Who is the best president in your life time? I am going back to high school, so tell me what you think about my answer. Well I think the best President was George Washington for his leadership throughout the Revolutionary War. But since I was not alive

    asked by Tessa
  2. Biochemistry

    Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was added (to remove water I learned) and if a reaction took place. Can someone help? Thanks!

    asked by Scott
  3. Organic Chemistry

    How would you expect the following series of compounds to compare in behavior for SN1 vs SN2? CH3CH=CHCH2Br CH3CH2CH2Br CH3C(-Br)=CHCH3 on the last one, Br is a substituent of the C and that C is double bonded to CHCH3 Please help! Even if someone could

    asked by Marissa
  4. chem

    i am having trouble with the following question.... How would you expect the following series of compounds to compare in behavior in the two tests(Sn1 vs. Sn2): 1) CH3=CHCH2BR) 2) CH3C=CHCH3 ! Br 3) CH3CH2CH2Br

    asked by tina
  5. calculus

    Suppose the following about a certain object: I. The object's altitude is a function of time, represented by the function A(x) where here x is time. II. The temperature of the object is a function of its velocity, represented by the function T(x), where

    asked by matt
  6. Chemistry

    What is the importance of maintaining an isolated system in calorimetry experiments? I know the basic parts - calorimetry is the experimental process of measuring changes in a chemical system & an isolated system is one where neither matter nor energy can

    asked by Lucy X
  7. History

    what was the condition of egypt before imperialism, during imperialism, after imperialism, and today?

    asked by Ann
  8. critical thinking

    Consider the following: You have learned to think and write critically, assess argument credibility, recognize rhetorical devices, categorize fallacies, analyze arguments, and assess argument validity. In this critical thinking quiz, you have the

    asked by sugar
  9. FRENCH

    On a French site I saw the sentence: "elles nous ont écoutées" but I thought that when "avoir" is the auxiliary verb there is no adjustment for gender. Should it not have been: "elles nous ont écouté"?? Merci en avance!

    asked by E.G.
  10. English

    1. It has been raining since this this morning. 2. It has rained since this morning. (What is the difference between them?) 3. Tom has known the boy for two years. 4. Tom has been knowing the boy for two years. (Are both acceptable? What about #4?) 5. He

    asked by John
  11. CELL biology

    what would happen if the cell plasma membrane was hydrophilic? how would this affect molecular movement??

    asked by kimora
  12. math need help please

    50% of what number is 30

    asked by LaNasha
  13. history

    who are the most recent appointees of the supreme court, when and by whom? i think it's Samuel A. Alito-2006 by president George W. Bush and Chief Justice John G.Roberts- 2005 by President George W. Bush. Am I correct? Can somebody help me please? Thank

    asked by jess
  14. chemistry

    I was doing a spectroscopy problem, and on the NMR spectrum a peak at around 4.4 with 2 H says "exchanges with D2O". What does this suggest?

    asked by lindsay
  15. Craig - baloon - calculus moved up

    Posted by Craig on Tuesday, November 25, 2008 at 7:54pm. t: 0 2 5 7 11 12 r'(t): 5.7 4.0 2.0 1.2 0.6 0.5 The volume of a spherical hot air balloon expands as the air inside the balloon is heated. The radius of the balloon in feet is modeled by a

    asked by Damon
  16. health

    Do you think that any of the basic principles of disease occurrence are interrelated?

    asked by april
  17. Physics

    I am finding the value of the time constant in a circuit from the graph and by the CR equation. When using the graph I am getting t= 50s and when using the equation t=CR the answer is 2.09. Can someone help me please?

    asked by Claire
  18. Economyst

    Posted by economyst on Wednesday, November 26, 2008 at 8:46am in response to Economics. Do a little research, then take a shot. What do you think? My thinking is 40% CR, and smaller frims would thrive, due to less overhead. What is you take ? What is the

    asked by Mike Green
  19. General Chemistry-Acids/Bases

    I'm stuck on a couple of similar problems involving pH and acids/bases 1) What is the final pH of a 1L solution that is initially .15 M HF and .2 M NaF after 10 mL of .02 M HCl has been added? Ka=7.2x10^-4 Do i just calculate the total mols of H and divide

    asked by Evelyn
  20. us history

    Who warned the colonists of the British advance toward Concord?

    asked by gary
  21. health

    i am supposed to pretend that my dad is an alcohol addicted and i need to write him a letter saying how his drinking has an impact with our (my family's) life. it must be 250 words long. i have started to write but i don't know what more to write....please

    asked by monica
  22. Math

    Find the perimeter of each figure. (The curves are semicircles.) Round answers to one decimal place.10 in.

    asked by A.W.
  23. Math

    74. Four brands of soap are available in a local store. Compute the unit price and decide which brand is the best buy. Brand Ounces Total Price Unit Price Squeaky Clean 5.5 $0.36 Smell Fresh 7.5 0.41 Feel Nice 4.5 0.31 Look Bright 6.5 0.44

    asked by A.W.
  24. grammar

    CheckPoint: Comprehensive Grammar CheckPoint • Resources: Appendix F; A Pocket Style Manual; designated Exercise Central practice exercises on grammar, punctuation, mechanics, and writing; and the Comprehensive Grammar CheckPoint exercises • Due Date:

    asked by Anonymous
  25. linear programming problem

    P=-30x+25y Subject to 2x+3y>=30 2x+y

    asked by Anonymous
  26. Math

    What is the Prime Factorization of the Denominator if it is 1/2?

    asked by A.W.
  27. math

    How is the circumference of a circle with radius 9cm related to the circumference of a circle with diameter 9cm? i don't understand this.Help?? Thanks:)

    asked by jamie
  28. AED

    I know I posted this but AI wanted to pose what i have so far and need more info. I have this so far: The hands-on learning in a science classroom when few resources are provided by the school can be the discovery bottles that the teacher can make, sensory

    asked by troyer0269
  29. MAT 115

    Evaluate -525

    asked by eloise
  30. precalculus

    Solve sin theta=-1 for all real values of theta. Is it theta=3pi/2 +2pi n for n=0+ infinity?

    asked by Mary
  31. math need help please

    What percent of 140 is 21

    asked by LaNasha
  32. speech

    how character makes personality

    asked by Nabeel
  33. French for Amanda

    Knowing that you and Hélène love poetry (and I do too!) here are some sites you might like: 1. (you can hear poetry sung or read by poets!): http://www.poesie.net/index.php (upper-right-hand look for "écouter." 2. (one of my favorite poems & poet; you

    asked by SraJMcGin
  34. math

    how would you determine the domain and range of y=2(x+1)^2-3 without graphing

    asked by Jame
  35. college algebra

    Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide the class with a third expression to simplify that includes rational (fractional)

    asked by kacie
  36. Math

    State a general rule describing which fractions have decimal forms that terminate and which have decimal forms that repeat.

    asked by A.W.
  37. math

    what do you mean age problem?

    asked by garnet
  38. college

    one piece of the pie has the same shape as would be formed by the hands of a clock when is exactly three o'clock this piece would represent % of the whole pie?

    asked by susie
  39. health

    This is not homework but something I would liek to know for myslef will asthma become COPD and last the rest of your life?

    asked by lois
  40. Math

    Business and finance. In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-L bottles can be filled by the machine in 2 h?

    asked by A.W.
  41. disease

    Are there any measures for disease prevention which were used in early times that should be used today

    asked by april
  42. 10th grade

    whats the formula for the area of a circle?

    asked by mattb
  43. Spanish

    For a presentation, I am trying to say "These works of art are no longer made." I'm having trouble figuring out what verb tense I should use, though. So far I have: "Estas obras ya no..." but I don't know how to finish the sentence. Son hecho? Fueron

    asked by Kelly
  44. math

    lula wants to round 76.24491 to the nearest hundreth. how do you do it?

    asked by dave
  45. Math

    34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.

    asked by A.W.
  46. Math

    34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.

    asked by A.W.
  47. Niagara Falls

    Well, I'm doing a project that I picked in science and one of the questions said "What are the physical features of Niagara Falls" and I don't know what that means, so please help me!!!

    asked by Jane
  48. Math

    30. Crafts. A circular coffee table has a diameter of 5 ft. What will it cost to have the top refinished if the company charges $3 per square foot for the refinishing?

    asked by A.W.
  49. Math

    38. Construction. An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?

    asked by A.W.
  50. Math

    44. The distance from Philadelphia to Sea Isle City is 100 mi. A car was driven this distance using tires with a radius of 14 in. How many revolutions of each tire occurred on the trip?

    asked by A.W.
  51. french

    Bonjour Madame, I am back with more English Hi everyone, How are things back in BC? I am doing great in Quebec I saw the Cirque Du Soleil it was amazing, I was in Montreal on the day of the Cirque Du Soleil the town is quite historic some buildings are

    asked by Daniel
  52. english

    how could you translate/explain why oyu like the quote "I haven't failed, I have found 10,000 ways that don't work".

    asked by martha
  53. Algebra

    a student opens a book to two facing pages the product of the page numbers is 812, find the page numbers.

    asked by Kendra
  54. 12th grade Biology

    Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps

    asked by Ring
  55. Literature

    Can anyone tell me where I can find information about the white knight from King Arthur? Thanks

    asked by Anonymous