Posts by Alanna

Total # Posts: 53

  1. Chemistry 2

    The mechanism for the reaction of nitrogen dioxide with carbon monoxide to form nitric oxide and carbon dioxide is thought to be the following. NO2 + NO2 NO3 + NO Slow NO3 + CO NO2 + CO2 Fast What would be the overall balanced equation to this reaction?
  2. Math Ms. Sue

    1200?????????? That's not an answer!!!!!!!!
  3. Math Ms. Sue

    Use prime factorization to find the LCM of 30 and 40. A. 90 B. 120 C. 150 D. 200 Please Help!!!
  4. Social Studies

  5. Social Studies

    What are the cordilleras? A) mountains found in the Guyana Highlands B) tributaries of the Orinoco River C) three parallel mountain ranges found in the Andes D) lowland plains found to the east of the Andes
  6. Math

    I think as the surface area increases, the volume does too.
  7. Math

    How does increasing the size of an object affect its volume to surface area ratio?
  8. Science

    TXS sooooo much emma!!!!!!! I am failing and my mom is mad and I needed this!!!
  9. political science

    All of them are apart of the lemon test. The answer is D.
  10. Math

    Calculate the slant height for the given square pyramid. Round to the nearest tenth. Pyramid base= 6cm Height= 5cm 6.2 cm 5.8 cm 7.8 cm 7.2 cm I am usually very good at solving these kinds of problems but I cant focus on anything right now and I keep getting thrown off. I'...
  11. LA

    if you need to find the answer but do not understand the question let me brake it down/ u need to pick a line from the poem that u chose for example- in the city is so big " like a smile full of teeth to describe of the passing train ". this line describes the train ...
  12. Physics

    bet it is 1.2*9.8 Newtons. If it were less it would sink, if it were more, it would be on the surface.
  13. Social Studies

  14. Social Studies

    same @ms.sue
  15. Math

    what is 3+7-1 ?
  16. Comm Tech

    He is (:
  17. P.E....Plzzzzzzz Help me:)

    thanks i gotta 100
  18. Harrisburg Area Community College

    lol oops
  19. Harrisburg Area Community College

    find the equation of a rational function that passes through (0,1) and (2,1), has the x axis as a horizontal asymptote, and has two vertical asymptotes at x=3 and x=-3
  20. algebra

    There was a question on my quiz asking 5/6x=25 what is x. I got the answer 30.12 but my teacher says it is wrong because the answer is 30. I don't understand how to get just 30
  21. social studies

    I'm dying
  22. L.A

    8th grader is right
  23. Ap European

    It's about the first world war, and it is connected to the historian Sidney Bradshaw Fay
  24. English

    ms. sue is right
  25. S.S

    aren't we 8th graders? who cares
  26. Social Studies

    smart one is right, it is C for number 2.
  27. Chemistry

    In the reaction 2A+B2 to 2AB if 0.5 moles of A and an excess of B are combined and the reaction goes to %100 completion, then how many moles of C are formed?
  28. Health

    the girl that has no friends and rapper are right
  29. Math Help

    Im having trouble on this too and Im having the samee problem.
  30. social studies

    lmfao what is the answer
  31. science

    anon is right ^^^
  32. Science help ASAP

  33. educational technology

    a d b is right

    Drew is bomb (:
  35. S.S.

    lol when ms.sue is salty af
  36. MATH

  37. ss --- check my work!!!

    this website is great
  38. Ed-tech/History question~!

    Its D lmao
  39. S.S. Check answers

    1)A 2)D 3)C 4)A 5)B 6)C 7)D 8)D 9)C 10)C 100%
  40. Math

    Smaticles is right :)
  41. Math

    Show that the series cos(n) from n=1 to infinity is divergent.
  42. Math

    Let T= {ti: i exists in N} and S be sets that T is denumerable and there exists a surjection f: T->S. Show that there exists an injection of S->N. I started off the problems applying the definitions. I must have made a big mistake somewhere because my teacher told me it ...
  43. Chemistry

    Ecell=E*cell-0.0592/2*log[xM]/[1.0] -3.378 = log[xM]/[1.0M] x=0.0000410 M pH=3.38 What did I do wrong because this is not the right answer
  44. Chemistry

    How am I able to solve for [H^+] when I don't have Q and can't rearrange?
  45. Chemistry

    The following voltaic cell registers an E cell = 0.100V. Pt|H2(g 1 atm)|H^+(x M)||H^+(1.0 M)|H2(g 1 atm) What is the pH of the unknown solution? I am completely baffled as I was not aware until I read this question that pH could be found from voltaic cells. Any help would be ...
  46. world history

    What were the goals and results when rejected Darius' peace settlement of all land west of Euphrates river
  47. Stats

  48. math

    a floor is 45 inches by 30 inches what is the largest square tile possable to use
  49. social studies

    describe life on a seigneury on the St. Lawrnce River, during the Iroquois wars.
  50. 12th grade math an

    6b=30 b=30/6 b=5
  51. Math

    Tan -7PI / 4
  52. Psychology

    Franz has recently had a minor accident that resulted in temporary brain impairment. Franz parks his car and as he walks away, Franz can no longer identify the car the further away from it he gets. He says the car is not his because it is too tiny to be his. What perceptual ...
  53. Math

    67 divided by 9=