Questions Asked on
May 28, 2011

  1. chemistry

    What is the IUPAC name for the following molecules: 1. CH3CH2N(CH2CH2CH3)CH2CH3 2. CH3CH2N(CH3)CH2CH3 I tried N,N-diethylpropanamine for the first one and N-methyl-3,4-ethanamine for the second one, but my instructor said they were wrong. If anyone could

    asked by George
  2. acrostic poem

    write an acrostic poem about summer vacation. begin each line with a word or phrase that starts with the letter on that line v ---------- a ---------- c ---------- a ---------- t ---------- i ---------- o ---------- n ----------

    asked by malvika
  3. physics

    Define the linear charge density of an infinitely long thread, if the work force field to move a charge Q = 1 nC at a distance r ₁ = 5 cm to r ₂ = 2 cm in the direction perpendicular to the filament is 50 uJ. Определить линейную

    asked by lisa
  4. science

    which two gases have been added to Earth's atmosphere in large amounts and are believed to have increased global warming by absorbing infrared radiation? 1. neon and argon 2. chlorine and nitrogen 3. hydrogen and helium 4. methane and carbon dioxide

    asked by help
  5. chemistry

    what is the balanced equation of NaHCO3+CH3OOH---->H2CO3+NaCH3COO

    asked by michelle
  6. Math

    A watch cost $75.99. If the sales tax rate is 6.25%, what is the amount of sales tax? Please show work or the explanation you used!

    asked by Jennie
  7. chem

    Which metal will react spontaneously with Cu^2+(aq) at 25 degree celcius? between Ag, Au, Mg, and hg?

    asked by Alex
  8. Statistics

    Supposed (as is roughly correct) that each child born is equally likely to be a boy or a girl and that sexes of successive children are independent. If we let BG mean that the older child is a boy, and the younger child is a girl, then each of the

    asked by Chelsea
  9. Chemistry

    Balance the following redox equation by the oxidation number methode Ag + HNO3 = AgNO3 + NO + H2O I have all the oxidation numbers i just don't understand how i'm supposed to balance it according to them. I read the sites and i can't get it. Do i balance

    asked by Amber
  10. math

    A fruit drink is made up of 20% orange juice, 35% apple juice and the rest water. Calculate these ratios. a. orange juice to apple juice b. water to orange juice

    asked by dhara
  11. English

    In 3–5 sentences, write down what you told someone in that conversation. Once you write your sentences, go back and identify the sentence type of each one. They will be one of these three options: simple sentence, compound sentence, or complex sentence.

    asked by Felicia
  12. math

    Sunae's group of close friends are going to fifth grade in September. All are going to Belleview Elementary and their homerooms will be rooms 12, 14, or 16. All of her friends but 4 are going to room 12, all but 4 are going to room 14, and all but 4 are

    asked by anne
  13. statistics Urgent please!!!!!!!!!!!!!!!!!!!!!

    A sample of n = 5 scores has a mean of M = 12. What is ‡” x for this sample?

    asked by Dottie
  14. Chemistry

    Given the equation 2H^2S(g) 2H^2(g) + S^2(g) With a Kp = 1.2x10^-2 at 1338 Kelvin Find the value of Kc for the reaction H^2(g) + 1/2S^2(g) H^2S(g) at 1338 Kelvin

    asked by K
  15. science

    How do nutrients from fertilizing lawns affect the health of the soil?

    asked by Anonymous
  16. Juwayria Highscholl

    An obsever is looking out to sea from the top of a building that is 30 m above sea leavel. He observera ship at an angle of depression of 10. How far is the ship from the foot of the bulding?

    asked by Ashley
  17. Algebra (I think)

    Bruce earns 1.5 times his normal hourly rate for each hour he works after 40 hours in a week. He worked 53 hours this week and earned $833. What is his normal hourly rate?

    asked by Someone AWESOME (who rocks!)
  18. Geometry

    I really need help with question I know its simple but I just cant seem to get it: Brendan set his watch at 8:30 A.M. At 2:30 P.M. he noticed his watch had lost 5 minutes. How many minutes in all did his watch lose by 8:30 A.M. the next day? A.15 B.20 C.30

    asked by Anonymous
  19. Information Technology

    I have this assignment due tonight in about 2 and a half hours. I am going to try to finish it the best that I can but I do not know if I will be able to. I really am stuck. I have no idea where to even start on this. Can somebody please help?! • Read

    asked by Josh
  20. Math

    Triangle ABC is inscribed in a circle such that A and B are the endpoints of a diameter. CD is the altitude drawn to AB. If AC=15 and BD=16, compute the value of (AD*BC/CD)-3

    asked by Eric
  21. math

    anis bought 809 dragon fruits at rm5 each. 5 of them are rotten.if she sold all the remaining dragon fruits at a price rm6 each,what her percentage profit?

    asked by tyramichy
  22. computer

    difference between secondary storage devices

    asked by prerna
  23. Managerial Economic

    ? How could rationing coupons insure that consumers with the highest values get the limited amount of a good supplied when government price ceilings create shortages?

    asked by Anonymous
  24. English

    1. Dr. Kim's office is between the library and the bank. (What is "Dr. Kim's office"? In this sentence does office mean 'clinic'? Or is 'office' a room where people work, usually sitting at desks?) 2. He is Dr. Kim. (In this sentence, what does "Dr. Kim

    asked by rfvv
  25. English

    Open : 9:00 am.¢¦ 5:00 pm. (Mon ¢¦ Fri) (How do you read the above?) 1. From nine am. to five pm. (from Monday to Friday) 2. nine am. to five pm. (Monday to Friday) 3. From nine am. through five pm. (from Monday through Friday) 4 nine am. through five

    asked by rfvv
  26. Science

    If a 500kg horse is moving at a speed of 15 mph what is its kinetic magnitude?

    asked by Ian
  27. Math

    STATISTICS Why is collecting data on the same time everyday more accurate when compared to collecting data at different times everyday?

    asked by Suzanne
  28. Basic Programming Language

    Write the force of attraction between 2 bodies with the formula f = G mm r2

    asked by Comfort Emma
  29. physics

    Электрон влетает в пространство между обкладками плоского конденсторы параллельно обкладкам и посередине зазора между ними. При какой

    asked by lisa
  30. maths

    the price of meat increase from 110 to159 what percentage increase

    asked by john
  31. math

    definite integral from 0 to pi/2 of cos(theta)

    asked by junior
  32. algebra

    bayside insurance offers two health plans. Under plan "A" Giselle would have to pay the first $90 of her medical bills plus 25% of the rest. Under plan "B"Giselle would pay the first $190 but only 20% of the rest. For what amount of medical bills will plan

    asked by ken
  33. geometry

    Devin's bathroom measures 6 feet by 10 feet. He wants to cover the floor with square tiles. The sides of the tiles are 6 inches. How many tiles will Devin need?

    asked by johana
  34. geometry

    A square garden has a perimeter of 48 meters. A pond inside the garden has an area of 20 square meters. What is the area of the garden that is not taken up by the pond?

    asked by johana
  35. chemistry

    What are the effects on chemical equilibrium of following; Temperature , Concentration and Pressure.

    asked by sam
  36. music

    How to set a tune?

    asked by sam
  37. Life orientation

    Five ways in which the human or environmental impacts on the community such as hiv

    asked by Thabo
  38. statistics

    Given 84 boxes of cereal with 22 high fiber,33 low fiber,and 53 high calorie. What is the probability of selecting a high calorie given high fiber? What is the probability of selecting a high calorie given low fiber?

    asked by Rae
  39. Mathematics

    Hi, Can someone check this for me .. please A tuning fork has a wavelength 0f 136 centimetres. Given that the speed of sound is 340 metres per second what is the frequency of the tuning fork ?? Frequency = speed / wavelength Then 340 / 1.36m (136cm) = 250

    asked by Alan
  40. pre algebra

    Jerome, Morgan, and Bly compete in a 10-kilometer race with 5 other athletes. What are the odds that they finish in the top 3 places?

    asked by emma
  41. microeconomic

    Use the concepts of consumer and producer surplus to explain why a rent ceiling may fail to improve the welfare of low-income renters. What alternative policies to assist these people can you suggest?

    asked by sisca
  42. Auto - 5/28

    What can affect the resistance of a conductor?

    asked by Alex L.
  43. math

    at the beginning of the week a particular stock sold for 29 3/8 per share. at the end of the same week it sold for 31 2/8. what was the amount of inctrease per share?

    asked by josie
  44. Science

    Which pairs of substances will form a buffer when mixed in equal concentrations? A)NaOH and HCl B)NH3 and NH4+ C)H2O and NH3 D)KCl and NaCl E)HF and F-

    asked by Pierre
  45. chem

    Which metal will react spontaneously with Cu^2+(aq) at 25 degree celcius?

    asked by Alex
  46. Economics REALLY URGENT!!!!!

    Hi my assignment is due like TODAY. I need three simple criterion to evaluate whether it is good to buy shares in a company. So far I have the profability of shares, the potential for a share to be blue-chip but I am lacking a third. I'm stuck because I

    asked by Em
  47. math

    7.86 × 4.6

    asked by Anonymous
  48. Math 100p

    78 students 10 of them are freshmen what fraction of the class are freshman

    asked by John
  49. physics

    Two capacitors to 3 uF charged to a 100 V, and the other to 200 V. Determine the voltage between the plates, if the capacitors connected in parallel Два конденсатора емкостью по 3 мкФ заряжены один до 100 В, а

    asked by lisa
  50. American Studies

    Identify two causes of urbanization (growth in city life) and explain how each changed the geography of the United States.

    asked by Brittany
  51. really easy maths,

    Okay this is really embarassing to ask but how do you express 23.8million in numbers. Is it 23,800,000?

    asked by Em
  52. statistics

    A sample of n = 5 scores has a mean of M = 12. What is ‡” x for this sample?

    asked by Dottie
  53. math

    There are 900 three-digit integers. The number of three-digit integers having at least one repeated digit is also a three-digit number. If that number is represented by abc where each letter is a digit, compute a-b+c (I came up with 252 integers so when I

    asked by alex
  54. Math

    Five children play a game in which players either gain 1 point or lose 1 point. After several games, the number of points won is equalto the number of points lost. If no two children have the same final score and the overall winner has fewer points than

    asked by Eric
  55. math

    The numbers 38, x, -8, and y form an arithmetic sequence. Compute x+y

    asked by theo
  56. Chemistry

    Given the equation NO(g) + 1/2)O^2(g) NO(g) at 457 Kelvin with a K = 7.5 x 10^2 Find the K value for the equation 2NO^2(g) 2NO(g) + O(g)

    asked by K
  57. math

    How many real number solutions exist for 2x2 8x 8 = 0?

    asked by k
  58. eth 125 week7

    Part I Complete the chart following review of relevant information provided in Chapters 9 and 10 of our reading material. The first three groups are identified for you. Select a fourth group considered as Hispanic/Latino from the readings in order to

    asked by Jessica
  59. Economics

    Hi My three criterion are now, if the share is blue-chip or not, the companies PE and its comparison to the S&P/ASX200. Regarding the companies I have compared it to a rival companies PE, I said that it is good that its PE is higher than the other company

    asked by Em
  60. Economics

    HI When I analyise the competitor, I cannot find the EPS for Virgin Blue Holdings on the finance link of the website you gave me.

    asked by Em
  61. American Studies

    Affordable housing and improved transportation allowed people to begin to move away from central cities to the suburbs Think: When did affordable housing and highways come about? The industrial revolution gave rise to urbanization Think: When was the first

    asked by Brittany
  62. physics

    Два равных отрицательных заряда по 9 нКл каждый находятся в воде (ε=81) на расстоянии 8 см друга от друга. Определить напряженность и потенциал

    asked by lisa
  63. calculus!!! please help!!!

    f(x)=2x^3-x^2+1 [1,4]=interval Set up the limit process (once with right endpts, and the other with left entdpts.) to find the area under the curve and above the x-axis on the given interval Should the right and left endpt limit set ups have the same area?

    asked by Kajal
  64. English

    Here are some sentences I'd like you to check Midlands 1) Joe and Simon ad successfully climbed to the top of Siula Grande, one of the most difficult mountains in the Andes. 2) They decided to climb down the mountain in spite of the dangerous weather

    asked by Henry1
  65. business

    Seminar Towards integrated business policies

    asked by Benjua
  66. mathematics


    asked by lisa
  67. pinciples of marketing

    what is a good emotinal advertising that could be used that would have a marketing focus

    asked by Annonymous
  68. world history

    During the fourteenth century, Japanese women of aristocratic rank A. saw marriage customs change to their detriment. B. were transformed because of their ability to hold their own property separately from their husbands. C. became freer due to the

    asked by bob
  69. Com/155

    Can some one check these for correct advebs and adjectives. I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The

    asked by Tammy
  70. emotinal advertising on life that have a marketing

    what is a good marketing focused emotional advertising on living

    asked by Annonymous
  71. corporate finance

    A company began the year with retained earnings of $1,000. Net income for the year was $250, it repaid $350 of its line of credit balance, and it paid dividends to its shareholders of $200. What was the company’s retained earnings at the end of the year?

    asked by baby
  72. mathematics

    ∫ _0^(1/2)xdx/√(1-x²) the half should be at the top of this ∫ and the zero at the bottom.

    asked by lisa
  73. principles of marketing

    what would be a good emotional advertising topic? I am having such a hard time trying to find something to write about please help me.

    asked by Annonymous
  74. algebra

    its graph opens upward and its vertex is at the origin. give an example of a quadratic function.

    asked by Bree
  75. Chemistry

    0.100 mol of SO2 and 0.100 mol of O2 are introduced in a flask of 1.52 L. When in equilibrium, 203 is found to be 0.0916 mol. Determine kp. 2S03(g) 2SO(g) + O2(g) In order to solve this question 1st I made an ICE table and I got the values 2SO3 2SO + 02 I

    asked by K
  76. college algebra


    asked by sharon
  77. Math

    What is an equation for the function that gives the values in the table? xl 2 l 3 l 4 l yl10l13l16l In other words, x-2, y-10, x-3 y-13, x-4 y-16

    asked by Bernice
  78. Math

    What is an equation for the function that gives the values in the table? xl 2 l 3 l 4 l yl10l13l16l In other words, x-2, y-10, x-3 y-13, x-4 y-16

    asked by Bernice
  79. Math

    What is an equation for the function that gives the values in the table? xl 2 l 3 l 4 l yl10l13l16l In other words, x-2, y-10, x-3 y-13, x-4 y-16

    asked by Bernice
  80. business

    how are business ethics different from and similar to laws?

    asked by toni
  81. POS110

    explain the concept of "a belief in equal rights has often led to the belief in equality of opportunity" - I am not wanting the answer, just help in HOW to answer this question. I have been out of school for a LONG time and just started taking classes.

    asked by heather
  82. Economics

    Hi. Okay so a nominal penny is a placeholder that is used to evade giving the real EPS? Another place says the EPS for Virgin Blue is betweeen 18 and 19c. Do you think I should ditch comparing Qantas to VIrgin Blue and instead compare historical? If so how

    asked by Em