Questions Asked on
August 10, 2007

  1. Chemistry

    50mL of 0.1M HCl is mixed with 50mL of 0.1NaOH. delta T = 3^oC. Calculate the enthalpy of neutralization per mole of HCl. assume the specific heat capcity of the solution is 4.18J/g/C and density=1.0g/mL. I tried it but got the wrong answer. What I did was

    asked by Vic
  2. Algebra

    Can someone please explain how to do these problems. 1)write a polynomial function of least degree with intregal coefficients whose zeros include 4 and 2i. 2)list all of the possible rational zeros of f(x)= 3x^3-2x^2+7x+6. 3)Find all of the rational zeros

    asked by Marissa
  3. life science

    Explanation of why the process of mitosis and meiosis are both important to a living organism. When would an organism need to undergo the process of mitosis? When would an organism need to undergo the process of meiosis? What would happen if meiosis did

    asked by q
  4. physics

    A film of oil that has an index of refraction equalto 1.45 floats on water (n = 1.33). When illuminated by white light at normal incidence, light of wavelengths 629 nm and 449 nm is predominant in the reflected light. Determine the thickness of the oil

    asked by Damon
  5. History

    Offer evidence to prove that the Congo Free State violated Articles I, V, and VI of the Berlin Act of 1885. These sites will answer that question. http://www.religioustolerance.org/genocong.htm

    asked by Dali
  6. History

    Explain how the European desire for profit affected the people of the Congo. The Europeans desire for profit affected the people of Congo by taking away their freedom, forcing them into slavery, taking away their customs, affected the economy etc. That's a

    asked by Dali
  7. English Grammar- Punctuation

    Some of these sentances are really a mess and Grammar is not my strong point. How would I write them correctly and please explain why? 1.The goose bit the mailman on the leg. 2.With five gallons of gas. 3.Because the store was closed. 4.For the seventh

    asked by Amber
  8. Social Studies

    I have read the chapter concerning this subject several times in my text book and cannot find the answer for my study page. Please assist. Mercantilism encouraged economic polic makers to: A. Develop national monopolies over trade and resources B.

    asked by Keith
  9. PE

    i need help with a 5 page report on heath What is your topic? We'll be glad to help you when we know what you want write about. I want to try out volleyball but my grades are bad! But people say that sports make people do better in school. Do you that it

    asked by jennifer
  10. Algebra

    State the possible number of imaginary zeros of g(x)= x^4+3x^3+7x^2-6x-13 this is how far Ive gotten:there are 4 zeros,3 positive and 1 negative If you've found four real zeroes, then there are no imaginary zeroes. You can also see that there are no

    asked by Marissa
  11. anthropology

    what is the family structure of chinese families and Indian families. Thank you for using the Jiskha Homework Help Forum. Try these sites: 1. http://www.nira.go.jp/publ/houko/i980116.html 2. http://en.wikipedia.org/wiki/Chinese_culture 3.

    asked by singh
  12. physics

    The distance from earth to the center of the galaxy is about 22500 ly (1 ly = 1 light-year = 9.47 1015 m), as measured by an earth-based observer. A spaceship is to make this journey at a speed of 0.9995c. According to a clock on board the spaceship, how

    asked by Damon
  13. chemistry

    experiment: Gravimetric determination of moisture in fertilizer samples 1. What are the advantages of weighing by difference to direct weighing when using an analytical balance? 2. Why are the samples grinded before drying in the oven? Weighing by

    asked by smiley
  14. Chemistry

    -856.7 kJ/mol is delta Gfo. Same book I used for you yesterday. Pretty good freshman text, huh? I think there is a site but this was quicker. Okay, now I need the delta G for SiO2. Maybe you have a website or something. Yes, very good text. Much better

    asked by DrBob222
  15. Chemistry, Thermodynamics

    I have a couple questions: 1. When analyzing which has greater entropy, do you look at the larger number or the smaller number? 2. What two things must be met for a reaction to be spontaneous under ALL temperature conditions? 3. If heat is in the products,

    asked by Taasha
  16. marketing

    what is the target market for coolsavings web site. I would say for families but do they target other people? Families? Families don't spend money, only the adults do. As I see it 1) target folks trying to save a few dollars by clipping coupons 2) target

    asked by mia
  17. Biology

    What would happen if your liver stopped producing sufficient quantities of bile salts? A. You would develop gallstones B.Your small intestine would have trouble breaking up fat globules. C. Your small intestine would have trouble neutralizing acid from

    asked by Sajia
  18. Social Studies

    From the 16th to the 19th century, Europeans: A. Retreated from political dominance of the world B. Exerted political dominance over much of the world C. Possessed an innate cultural superiority that aided their conquest of territories D. Both B and C I am

    asked by Keith
  19. physics

    In the experiment of Lloyd's Mirror, I understand what happens when a light beam is shone on a mirror and reflected, and it is phase shifted by 180 degrees. But what I don't understand is what a phase shift actually is. Can someone explain? The electric

    asked by Damon
  20. Calculus:check please

    given: 1st derivative is 2(2-3x-2x^2)/(1+x^2)^2 (quotient rule) I've found the stationary points to be x=1/2 and x=-2 Am I on the right track? If so, I plan to plug in values to the L andR of them into the whole derivative so as to clasify them. Still on

    asked by charlie
  21. History

    Describe the atrocities committed in Congo by King Leopold’s colonial managers. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor

    asked by Dali
  22. Biology

    Suppose you're a physician treating an infant with respiratory distress syndrome. Your intervention to effect relief of the baby's symptoms will involve? A. alveolar macrophages B. an artificial surfactant C.antibiotics D. oxygen This site says that an

    asked by Sajia
  23. History

    This is so dumb, but what year did the Spanish America war begin? http://en.wikipedia.org/wiki/Spanish-American_War

    asked by Christina
  24. Math

    Given g(x) = print_coeff(m,1)x print_const(b), find g(print_coeff(n,1)a) I was told that the answer for this is a. However, I have no idea how to solve it. Please help me understand. I have no idea how to interpret what you have written. It is not standard

    asked by Doralis
  25. social studies

    The monarchies of Russia, Austria, and Prussia enacted policies that: A. increased the role of the military B. Sought to separate religion from the control of the state C. excluded nobles from all areas of public life D. worked to create an alliance

    asked by Gregory
  26. Anthropology

    what is difference between chinese marriage customs and Indian marriage customs, thanks. Here are a couple of very informative sites: http://weddings.iloveindia.com/features/marriage-rituals-customs.html http://www.chinabridal.com/etiquette.htm Thank you

    asked by singh
  27. physics-RC Circuit

    We had to do a RC Circuit experiment in the lab one step in the procedure goes as follows: Record the time needed to discharge a capacitor from 10.0 V to 9,8,7,6,5,4,3, and 2 V. Repeat once. The QUESTION BEING ASKED IS: Can you find the time to discharge

    asked by Damon
  28. History

    Why were the Swahili traders in East Africa a threat to King Leopold’s Congo? http://www.infoplease.com/ce6/world/A0857522.html I think this site will give you the information on that.

    asked by Dali
  29. Algebra

    Which of the ordered pairs (-3,1), (2,0), (-8,-2),(-28,6) are solutions for the equation x+5y=2? I found the slope which is -1/5 and I think that the anwser is coordinates (-3,1) and (2,0). Could you tell me if I'm on the right track? Just plug in the x,y

    asked by Bee
  30. chemistry

    1. What are other methods of moisture determination besides oven drying? 2. During the drying of samples, the weight is considered constant when the last two weights are within ± 0.0003 grams. What is the reason for this? For #1, here is a site for you to

    asked by smiley
  31. Biology

    The allostery of an enzyme governor is likely to take two forms.They are? A.active and regulatory B. rigid and flexible c. active and passive e. regulatory and relaxed http://en.allexperts.com/q/Biology-664/biology-73.htm

    asked by Sajia
  32. Biology

    Which one of the folowing participate in the body's second line of defense? A.Tissue liningsof the respiratory system B. Interferons C. Skin cells D. Saliva http://www.amnh.org/nationalcenter/infection/03_inf/03_inf.html For virus, B is the choice, as

    asked by Sajia
  33. Safety of Tooth Bleaching

    Just as I promised, here is my reasearch result on bleaching safety. It took me a whole week to compile the information, go to the store, and basically make a report on the topic refering heavily on the British Dental Journal article which was the only

    asked by ~christina~
  34. Business Law

    Uniform Law for Computer Info Transactions is Offered National Law Journal, August 30, 1999. After more than 10 years of proposals, revisions and re-revisions, the National Conference of Commissioners on Uniform State Laws (NCCUSL) at long last voted to

    asked by Maxine
  35. Math

    How would I factor out 3x6+24 ?? I mean, 3x^6 + 25

    asked by Sarah
  36. Algebra II

    quadratic equations Solve: 2x^2-5x=3 2x^2 -5x -3 = 0 (2x + 1)(x -3) = 0 x = -1/2 or 3

    asked by Cynthia
  37. math

    I have 5 pieces each is a triangle and they are supposed to somehow form a large triangle. Everyone has tried and we can't figure it out. I see lots of solutions online for 7 piece tangrams but nothing for a 5 piece. Thank you Zach I suspect there are 180

    asked by Zach
  38. math

    how do you find the slope and y-intercept of 9x-2y=-6 put the equation in the form y = mx + b m is the slope (0,b) is the y intercept

    asked by Janna
  39. question for Ms Sue

    Ms Sue. you once created this one for me. ------------------------------------ First paragraph: 1. Choose two different groups of people discussed in the book. 2. Find more information about these two groups. You must use the UMUC online library or

    asked by Singh
  40. English

    Ok we have to make an advertisment for my english class and its due monday. Today is friday. any ideas??? How about an advertisement for a book you've enjoyed? You could include a photo of the cover of the book and a couple of lines of praise for it. Ads

    asked by Seinna
  41. Algebra

    Find the slope and y-intercept. x=-7 I have no idea where to start to get the answer. Isn't this a vertical line at x= minus seven? Isn't this a vertical line at x= minus seven? how do I get help

    asked by Bee
  42. anthropology

    If i have writing about two different groups(cultures) lets say about their marriage custom. I have to write 5 pages. In half of essay i describe that Chinese marriage custom, and other half Indian culture. Is that the right way if I have comparing two

    asked by Singh