Questions Asked on
October 21, 2006

  1. Chem 1

    It takes 208.4 kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium metal. What is the maximum wavelength (in nm) of light capable of removing a single electron from an atom on the surface of rubidium metal? Ok, I know I have

    asked by Rossi
  2. Chemistry

    NH3 + Pb(NO3)2 -> How can I find the product and the net ionic equation? I suspect this is in a water solution, so the lead nitrate is in solution, but NH3 will react with the water to form ammonium ions, and hydroxide ions. The lead ions will react with

    asked by Anonymous
  3. music

    hi um could you help me i have to do a music assignment and i to talk to my class about a piece of music from my fave artist like what instruments are used the structure of the music and those kinds of things but im not good at music and don't really

    asked by ashley
  4. English passage interpretation

    A student and I disagree with her AP English teacher about the author's purpose in this passage. Does the author intend this to show the wild, animistic nature of the swamp or is it intended to show the swamp as negative and repulsive? Of course, the

    asked by Ms. Sue
  5. question

    Is this sentence a comma splice or dangler? Noah Webster,author of the original Webster's Dictionary,believed that a dictionary should contain more than the definitions of words;therefore,he included their etymologies as well. OR IS THE SENTENCE PROPERLY

    asked by kourtney

    EXAMINE THE FOLLOWING SENTENCE AND CHOOSE THE APPROPRIATE DESCRIPTION. Your machine has been repaired,and it will be returned to you today. 1.Both clauses are in active voice 2.Both clauses are in passive voice 3.The first clause is active,the second

    asked by Kourtney
  7. english --please help

    What,if anyhting,is wrong with the following sentence. Being unable to type the letter,the boss fired me. A. PROPERLY CONSTRUCTED SENTENCE B. COMMA SPLICE C. FRAGMENT D. DANGLER I AM THINKING THE CORRECT ANSWER IS (B)comma splice AM I CORRECT? IS THIS A

    asked by Kourtney
  8. Calc, Implicit Differentiation

    1) Let x^3 + y^3 = 28. Find y"(x) at the point (3, 1). y"(3)= The correct answer is: -2*3*28 = -168 3x^2 + 3y^2(dx/dy) = 0 6x + 6y(dx/dy) = 0 dx/dy = -6(3)/6(1) = -3 That's as far as i get... i don't even know if that's started right... You have x^3 + +

    asked by Michael
  9. calc

    Where do I start to prove this identity: sinx/cosx= 1-cos2x/sin2x please help!! Hint: Fractions are evil. Get rid of them. Well, cos2x = cos2x - sin2x, so 1-coscx = 1 - cos2x - sin2x = 1 - cos2x + sin2x You should be able to simplify this to 2*something

    asked by maria
  10. Chemistry

    A sample of naphthalene, which should be pure white, was found to have a grayish color after the purification procedure. The melting point was correct but the melting point range was smaller. Why the gray color? Is it possible the "purification procedure"

    asked by Kimberly
  11. Chemistry

    What if when I find my product, I get the same compound as I did in my reactant? For example, FeCl3 + HCl ->FeCl3 + HCl. Then something is wrong. In this case, FeCl3 and HCl usually don't react. In very concentrated solutions of HCl, the FeCl4^- or

    asked by Sally
  12. Calc, Implicit Differentiation

    Regard y as independent variable and x as dependant variable and find the slope of the tangent line to the curve (4x^2 + 2y2)^2 - x^2y = 4588 at point (3,4). Correct answer is -0.668827160493827 Here's what I did: 2(8x(dy/dx) + 4y) -2x(dx/dy)y + x^2 = 0

    asked by Michael
  13. presentations

    Imagine you have a meeting with the CEO and other high ranking officers of a company that invests in distance learning start-ups. Your objective is to obtain a loan for a distance learning company that you would like to start. Fortunately, you have a

    asked by K
  14. Science

    The quantity 5.85 x 10^4m is equivalent to..... a.5850 000m b.5840m c.58500m d.0.000585m quantity 5.85 x 10^4m is equivalent to..... a.5850 000m b.5840m c.58500m d.0.000585m the answer is c....because 10^4 is 10,000 so 5.85 times 10,000 equals 58500

    asked by Shannon
  15. Calculus

    Okay so I have a question on my assignment that says: You are given that tan(y) = x. Find sin(y)^2. Express your answer in terms of x. I know its derivatives, and I've tried taking the derivatives of both etc, and got them both to come out as cos(y)^2,

    asked by Tracy
  16. Coordination

    Is coordination the same as ionic bonding? Sheryl As I understand coordination, as in coordination number, no. It is more covalent or more precisely called coordinate covalent if we are talking abouat the same thing. Then I guess 'salt formation' would be

    asked by Sheryl
  17. history

    Please, can someone tell me what this quote means? "What kills a skunk is the publicity it gives itself." -Abraham Lincoln Lowlifes often broadcast their crimes and evil, often with their own mouths. This greatly helps police in criminal matters. Thanks

    asked by Lydia
  18. English

    Analogies Yearn: longing which one fits with this? beware: danger rush:patience enjoy:pleasure Suppress:rage sleep:insomnia Yearn is a verb that means about the same as the verb, long. Longing is a noun. Which analogy shows a verb paired with a noun with a

    asked by JoE
  19. science

    What happens when a candle is alight (on one side we had to show physical change and on other side the chemical change). The question sheet says 'Explained both changes using the Big Idea of Energy.' The physical changes are what you can see, and what you

    asked by liverpool
  20. Math/history

    I have to do a project and need info. about mean, median, mode, range, freqency tables line plots, and stem and leaf plots. I would like historical facts like how, who, where and why these methods came to be. I want to get a good grade so I am willing to

    asked by elizabeth
  21. Com 215

    How can stereotying effect group relations. Give an example of a sterotype you find in your everyday life. Stereotyping causes a person to view individuals narrowly and representative of a negative image, rather than as unique individuals. If, for

    asked by Rose
  22. Interactions

    Question: Interactions: Summarize this section (in the book) in your own words and for each interaction give a complete sentence. The strength of interactions of eluted compounds with alumina or silica gel depends on how strongly they are adsorbed to the

    asked by Sheryl
  23. English

    Pronoun agreement: How do you know when to use who or whom? Who is a subject of a verb. Examples: Who let the dog out? Pat is the person who is always late. Whom is used as the object of a verb or a preposition. Examples: He asked, "For whom does the bell

    asked by Lesley


    asked by ANGE
  25. a question

    All things considered,_____ not a bad day. its or it's "It's" is a contraction that is equivalent to "It is". "Its" means "that which belongs to it", and is in the same category with "mine, his, hers and ours" Which do you think fits in the blank? Whenever

    asked by DEB
  26. word problem

    A College sold Advance tickets to a play at $4 per ticket. Anyone who attended and purchased a ticket at the door had to pay $5 a ticket. A total of 480 people attended the play, and the revenue (earnings) from the ticket sales w!@#$%^& 2100. How many

    asked by Josh
  27. Scienific Notion

    The following measurements in scienific notion... 22,000mg 65,900,000m 0.0005km 0.0000037kg Thank you so much

    asked by Shannon
  28. Maths/Right Triangle

    There must be a relationship (formula) between the lengths of the sides of a Right Triangle and the angles opposite these sides. Help Please. Mike. Look at the law os sines or cosines. Law of sines a/sin(A) = b/sin(B) = c/sin(C) Law of cosines a2 = b2 + c2

    asked by Mike
  29. psych and amnesia

    I need a way to present info on amnesia that is funny, and that will really interest my pears and my teacher. Any ideas? Your "pears"? I am not certain there is much humor in this condition, I would avoid making fun of the condition. It is devastating to

    asked by jax
  30. Business Math

    Expected profits over next two years: Year 1: $105,000 Year 2: $230,000 If the discount rate is 7%, what is the present value of profits at Year 1 and Year 2? How do I get this answer? Thanks, Chad

    asked by Chad
  31. question

    Which sentence has a preposition-related error? 1.There was a fight between the two men. 2.The Cerritos Center is near to my office. 3.They gave a party for Mary and me. 4.The report was sent to everyone except her. One of those sentences has TWO

    asked by Mindy
  32. writing

    Which one is correct: As president Bush walked to rhe podium,... or As President Bush walked to the podium,.... Since that is his official title, it would be treated the same way as Mr., or Gen. Cap on Pres

    asked by Diana
  33. English

    Which wife is more virtuous to her husband Desdemona or Emilia in the play Othello? Please use examples from the play to describe each womans interaction with her husband and each woman's reaction to her husband. I think you will be able to find the answer

    asked by Christina
  34. Biology URGENT!!!!

    What are five characteristics that scientists use to group dissimilar organisms into common groups? List references too please. Thank you.

    asked by Amanda
  35. Social Studies

    How were simple tools helpful to early people? By reducing the effort and time to gather and prepare food and shelter

    asked by Jillian
  36. Organic Chemistry

    The preparation of “azo” dyes often does not work well in the laboratory. Although the correct colour is usually apparent, very little product is obtained. Seeing this, a student decides to modify the experimental procedure and obtains a record

    asked by Lindz

    wHICH OF THESE SENTENCES IS GRAMMATICALLY CORRECT? A. She should of typed the report. B. Should you get a pencil off her? c. The new salesclerk waited on me. D. They had to wait for John and I. C, I think Si, it is c. Being unable to type the letter, the

    asked by Carrie
  38. chemistry

    Can someone please help me with this one? Explain which of the following statements does not make sense: a. a role of masking tape weighs 350 micrograms b. 92 cm cubed of water was poured onto the table c. the room covers an area of 200 m cubed I was

    asked by Gloria
  39. science

    CAN YOU TELL ME ABOUT 3 SCIENTISTS WHO CONTRIBUTED TOWARDS BIOLOGY Here is a long list to choose from: You will probably recognize some of the names. You can click on any name on that site for a brief

    asked by Harsh

    What,if anything,is wrong with the following sentence? Do you advise me to go to college or that I should get a job after high school. 1.PROPERLY CONSTRUCTED SENTENCE 2.MISPLACED PARTS 3.LACKS PARALLEL PARTS 4.RUN-ON I AM THINKING ITS NUMBER (3)LACKS

    asked by Kourtney
  41. reading

    1. Always ask an adult or a family member if you are haveing trouble on a question 2. When doing your homework always sit under a bright light to make it easier to see the questions Thanks. Yes twice

    asked by kat
  42. Chemistry

    How do you convert quantum numbers; such as n=3, L=2, m=+1, s=-1/2 Convert them to what?

    asked by Anonymous
  43. Scientific Model

    Do anyone know what a scientific model is and where can I find an example? I've look and I cant find a definition or example. Nevermind I've found it

    asked by Shannon
  44. american government

    What is the power of judicial review given to the Supreme Court and where does it receive this power? Anon... this is an excellent explanation of the source and reason.

    asked by Anonymous
  45. Math

    If a^3 = x^2 what is a^2y+1 = x^6, solving for y You would have (x2)3 = x6 = a9 so 9 = 2y+1 Do you see why? do u mean a^(2y) + 1 = x^6 or a^2 * y + 1 = x^6 a^(2y+1) = x^6

    asked by Joe