Questions Asked on
January 5, 2007

  1. physics

    A 12 kg block is released from rest on a 30 degree fricitonless incline. Below the block is a spring that can be compressed 2 cm by a force of 270 N. The block momentarily srops when it compresses the spring by 5.5 cm. a) How far does the block move down

    asked by Jamie
  2. Chemistry - Van't Hoff Factor

    How does the van't hoff factor relate to freezing points? If one van't hoff factor is bigger than another, is its freezing point lower or greater? delta Tf = iKfm. So increasing i will increase delta Tf Van't Hoff factor is the concentration of particles

    asked by Belinda
  3. CHEM

    what three hydrogen-containing polyatomic anions are essential components of living systems? What does progesterone acetate do in the human body? What is the formula for the acetate ion? Maybe you mean list three anions containg H. OH, HCO3, HPO4 are all

    asked by Bryan
  4. Chemistry

    How would you synthesize each of the following? a. 1,2-dibromopropane from propene b. acetone (2-propanone) from an alcohol c. tert-butyl alcohol (2 methyl-2-propanol)from an alkene d. propanoic acid from an alcohol How would you synthesize the following

    asked by cathleen
  5. COMBINATION!!MATH!!!hurryyy!!!

    Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a

    asked by Katrina
  6. chemistry

    how do I write a balanced equation showing aqueous hydrogen carbonate, to give liquid water and carbon dioxide gas H2O(l) + CO2(g) ==>H2CO3(aq) to show the formation of dihydrogen carbonate (carbonic acid). To show the decomposition of H2CO3. H2CO3(aq) ==>

    asked by Anonymous
  7. AP Chemistry

    A precipitate is formed by adding 20.0 ml of 0.200M of sodium phosphate to 30.0 ml of 0.50M Copper sulfate. Please write the ionic equation Sodium phosphate and copper sulfate are both soluble, whilst copper phosphate is not. So, copper ions meet phosphate

    asked by Jenna
  8. religion

    please let me know if i'm correct or completely wrong.. what makes up the hindu religion is vaishnavism and shaivism. http://en.wikipedia.org/wiki/Hindu The six traditional schools of Hindu philosophy (Samkhya, Yoga, Nyaya, Vaisheshika, Purva Mimamsa,

    asked by kailin
  9. science/chemistry

    HELP,HELP,HELP,HELP How can you tell that cobalt(II) iodide is binary ionic compound formed by a transition metal with more than ionic charge? Thanx in Advance form jeff Cobalt(II) chloride tells you it is binary (composed of two different atoms), cobalt

    asked by Jeff
  10. philosophy

    I need help describing Christianity's impact on philosophy... Please tell us what you know about Christianity's impact on philosophy, and we'll be glad to critique and add to your answer. St. Augustine was the founder of christian theolagy. What was

    asked by allie
  11. english

    Can someone please clearly explain what an in-text MLA citation is? n MLA style, referring to the works of others in your text is done by using what's known as parenthetical citation. Immediately following a quotation from a source or a paraphrase of a

    asked by anonymous
  12. chemistry

    Consider the following five compounds. a. CH3CH2CH2CH2CH3 b. OH ' CH3CH2CH2CH2 c. CH3CH2CH2CH2CH2CH3 d. O '' CH3CH2CH2CH3 e. CH3 ' CH3CCH3 ' CH3 The boiling points of these five compounds are 9.5 C, 36 C, 69 C, 76 C, and 117 C. Which compound boils at 36

    asked by cathleen
  13. English

    When is greatness is a bad thing. Please don't say when it is misused. I need a good answers please. Thanks in advamce. Greatness is a bad thing when it's misused. Greatness that is used correctly is good. Think of the great leaders -- such as Jesus,

    asked by Gina
  14. english

    Hi:) in short:i have to write a research paper but only can use luminarium page.I can choose one of the following poets and analyze one or more of his poems:Donne, Herbert, Vaughan, Marvell, Crashaw..I have read some poems.The Broken Heart from Donne seem

    asked by curly
  15. AP Chemistry

    A precipitate is formed by adding 20.0 ml of 0.200M of sodium phosphate to 30.0 ml of 0.50M Copper sulfate. b.) what mass of solid will be formed? c.) Calculate the concentration of each ion in the solution after the precipitation is complete. See the

    asked by Jenna
  16. chemisry

    How many grams are thee in 2.3times 10to the 23 power What units are you measuring with 2.3 * 10^23? Are they pounds, ounces, kilgromas or something else? Without this information, it is impossible to answer your question. Please repost with the needed

    asked by taylor
  17. bobpursley,religion

    So do you mean that what makes up the hindu religion is all six traditional schools of Hindu philosophy which are the (samkhya, yoga, nyaya, vaisheshika, purva mimansa, vendanta) and what does this part mean is he one that makes up the hindu religion as

    asked by kailin
  18. Home Economics

    What are some advertising techniques?

    asked by Alyssa
  19. math

    please check and see if my answers are correct if not let me know so i can redo these and find where i messed up 1. divid by moving the decimal point 27.3 dived 10^5 my answer .000273 2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing

    asked by larry
  20. proof by mathematical induction

    subject is PreCalulus. 2^(k+3) = and < (k+3)! i know how to do proving using mathematical induction when its just an equal sign, but I don't understand what to do when its an inequality. thank you!!! Here is what I would do Step 1: check if it is true for

    asked by Cait
  21. chemistry

    How can a mixture of liquids be separated? Fractional distillation. Read about that.

    asked by Crystal
  22. Economics

    Microeconomics: Describe the diff. market forms ( I've done that) Under which equlibria and under which circumstances is sustainable profir possible? ( I am lost)

    asked by Angel
  23. health

    The nine essentialamino acids are A)NOT FOUND IN FOODS B)NOT MADE BY THE BODY C)ALL PRESENT IN INCOMPLETE PROTEIN D)MADE BY THE BODY not made by the body, so they must come from foods.

    asked by gabrielle
  24. English

    When is greatness is a bad thing. Please don't say when it is misused. I need a good answers please. Thanks in advamce. I don't understand your first sentence. Please clarify and repost. Please note that we don't do students' homework for them. Once you

    asked by Gina
  25. History

    How can individuals promote tolerance and reduce prejudice in their towns and cities? One has to practice what one preaches is the first action. Secondly, one has to love and show love to those not like us. Respect and dignity are powerful forces. Thirdly,

    asked by Melissa
  26. literature: lord of the flies

    how much has ralph changed since he's had his first assembly? You will need to brainstorm this in two columns: ~one column in which to list characteristics of what Ralph was like at first ~second column in which to list his characteristics as of the end of

    asked by Anonymous
  27. math check

    Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

    asked by tara
  28. math check

    Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

    asked by tara
  29. Chemistry

    How many atoms make up the oxlate ion? C2O4= 2C atoms + 4 O atoms.

    asked by Bryan
  30. math

    There is one step in a proof that I don't understand. Could someone please explain? u = any vector in vector space S W = finite dimensional subspace of S with orthonormal basis of vectors {v1, v2, ..., vn} The theorem to prove is: u can be expressed

    asked by mathstudent
  31. History

    I have been looking for the anwers to the follwing questions. I need to compare the following types of governments Democratic, Dictatorial and Parliamentary. I need to know the type of leader for each, economic system, and governing body. Thanks in

    asked by Josh
  32. Chemistry

    what is the difference between the sulfite and sulfate anions? Sulfate is SO4 2-. Sulfite is SO3 2-. sulfate is SO4= sulfite is SO3=

    asked by Dennis
  33. measure angles

    name 4 ways to measure an angle An angle can be measured with a protractor or a goniometer. For a picture of a simple mechanical goniometer, see www.babinski.de/.../bsf21_30_179_Goniometer.html For a description and picture of a laser goniometer, see

    asked by mike
  34. philosophy

    who were the key contributors to Christianity’s impact on philosophy? http://en.wikipedia.org/wiki/Category:Christian_philosophers =) John Wesley ought to be added to that list, and here is his central thesis, as an ebook:

    asked by allie
  35. math, algebra

    can someone correct this for me. The pie that i'm using looks like this: it says that second day airfrieght is 40% next day airfrieght is 15% truck is 45% The problem says: If the company shipped a total of 550 items last month, how many were shipped using

    asked by jasmine20
  36. Science

    When mixing formaldehide and asiphilate what happens? Check the spelling of asiphilate?

    asked by ???