Questions Asked on
July 27, 2010

  1. math

    if E and F are independent events, find P(F) if P(E)=0.2 and P(E U F)= 0.3

    asked by sha
  2. physics

    A 2500N pile-driver ram falls 10m and drives a post 0.1m into the ground. Find the average impact of force on the ram.

    asked by Jen
  3. Dressmaking

    I was hoping someone could help me check my answers? This is my last exam and I desperatly need some help to make sure they are the right answers. I'll make a note next to the answer I picked on each question. Ms. Troy would like you to make a copy of an

    asked by Criss
  4. chemistry

    Tarnished silver contains Ag2S. The tarnish can be removed by placing silverware in an aluminum pan containing an inert electrolyte soln, such as NaCL. Explain the electrochemical principle for this procedure, [The standard reduction potential for the

    asked by Yoo
  5. Chemistry

    A compound on heating gives a crackling sound, a reddish fume, and a gas which relights a glowing splint. the residue is reddish brown when hot and yellow when cold. What are- 1. the compound? 2. the fume 3. the gas 4. the residue?

    asked by David
  6. chemistry

    Determine the mass of carbon monoxide that is produced when 45.6 g of methane, ch4 react with 73.2 g of oxygen gas, o2. The products are carbon monoxide and water vapour

    asked by Kelsey
  7. chemistry

    Q: I just did an online chemisty lab for Oxidation States of Manganese and I'm stuck. I have three test tubes that have been prepared as follows: Tube 1- Starting PH 13.82 2 mL of KMnO4 1 mL of NaOH Tube 2- Starting PH 7 2 mL of KMnO4 Tube 3- Starting PH 0

    asked by jo
  8. chemistry

    If 5.05mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?

    asked by Ellen
  9. 12th grade

    Which acid is stronger: HClO2 or HClO3? Can you also explain why?

    asked by Kat
  10. physics

    A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up the plane from an initial position that is distance d=0.60m from the end of the relaxed spring, with an initial kinetic energy

    asked by James
  11. MTH233/statistics UOP

    A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon. You believe the claim is incorrect and find that a random sample of five cars has a mean gas mileage of 19 miles per gallon and a standard deviation of 4

    asked by sue
  12. physics

    Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of anequilateral triangle. The magnitude of each charge is 5 microCouloumbs, and the lengths of the sides of the triangle are

    asked by ness
  13. physics

    A water tower sits on top of a hill and supplies water to citizens below. The difference in pressure between the water tower and the Dailey's house is 1.1x10^5 Pa, while the difference in pressure between the tower and the Stearns' house is 3.2x10^5 Pa.

    asked by Riley
  14. chemistry

    propanoic acid ch3ch2cooh is a weak acid which has a value for dissociation content of ka = 6.3 x 10^-6 calculate the pH of an aqueous solution of propanoic acid containing 37 g of propanoic acid per litre. i'm stumbled on this one.. i calculated that the

    asked by rick
  15. English-Literature

    In the poem The Tortoise in Eternity by Elinor Wylie, in The first stanza, the narrator's bed is compared to a womb and a? A. Cradle B. Grave C. Shell D. House E. Blanket

    asked by Victoria
  16. physics

    a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

    asked by Jen
  17. physics

    A 2-C and a 4-C charge attract each other with a 10-N froce when placed a certain distance apart. With how much force will a 2-C charge and an 8-C charge attract each other when placed the same distance apart? ** I know the answer, but can't find out how

    asked by Jen
  18. chemistry

    Determine the oxidation state of each transition metal in the following cmpds. (a) Na2MoO4 (b) KAuCl4 (c) MgWO4 and (d) Ni(CO)4

    asked by Jin
  19. Chemistry

    Ammonia, NH3 is freely soluble in water, and has the value Kb=1.8x10^-5. If the pH of an ammonia solution is 11.4272, then what original concentration of NH3 (molarity) was used to make up the solution?

    asked by Sam
  20. 11th Grade Physics

    An aircraft has a take-off speed 180km/h and has length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance 'd' = 230m ahead of the take-off point. The pilot

    asked by Praveen
  21. probability

    how many different 10-letter words (real or imaginary) can be formed from the letters in the word MONOCHROME?

    asked by sha
  22. Algebra

    what is the sixth root of 4096?

    asked by Roselyn
  23. HIS 215

    What were the negative aspects of the new market economy? What were the positive aspects of the new market economy? How did the creation of a single market economy shape American values and the economy of today? This is what I have so far. The negative

    asked by Jessica
  24. Chemistry

    The values of Ksp for silver bromide, AgBr is 7.7x10^-13, and silver chloride, AgCl is 1.6x10^-10. A solution containing a mixture of 2.0x10^-2 M Br^- and 2.0x10^-2 M Cl^- is a candidate for separation using selective precipitation. Solid AgNO3 is added

    asked by Sam
  25. Chemistry

    Which solution has the higher osmotic pressure, 2 M NaCl or 2 M CaCl2?

    asked by Joe
  26. physics

    Lucy is going skin diving to see coral off the coast of Mexico in sea water with a density of 1025 kg/m^3. If she were to hold her breath as she ascends to the waters surface a)by how many times would the volume of her lungs change assuming the water

    asked by Riley
  27. math problem

    In a raffle 1000 tickets are being sold at $1.00 each. the first prize is $100, and there are 3 second prizes of $50 each. by how much does the price of a ticket exceed its expected value?

    asked by sha
  28. Chemistry

    Which solution has a higher vapor pressure, 1 M NaCl or 1 M glucose(C6H12O6)?

    asked by Joe
  29. physics

    Bradley, working in his 23 C kitchen, is cooking himself a crepe in an iron skillet that has a circular bottom with a diameter of .30 m. How hot must the skillet be in order for Bradley to make a .07103 m^2 crepe that just fills the bottom of the pan?

    asked by Riley
  30. chemistry

    Which of the following when added to 100.0mL of a 0.100M soln of NH4Cl would produce a buffer soln? a.100.0mL of 0.100 M HCl soln b. 100.0mL of 0.050M NaOH soln c. 100.0mL of 0.100M NaOH soln d. 100.0mL of 0.050M NH4No3 soln e.none of the above

    asked by Jin
  31. 11th Grade Physics

    The maximum speed of a bus is 72km/h, it accelerates uniformly at the rate of 1m/s^2 and retards uniformly at the rate of 4m/s^2. Find the least time in which it can do a journey of 1km ?

    asked by Praveen
  32. 11th Grade Physics

    An aircraft has a take-off speed 180km/h and length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance 'd' = 230m ahead of the take-off point. The pilot

    asked by Praveen
  33. math

    for this infinite series (-1)^n/n^2 if i use alternating series test to show that sequence does of a^n does not go to 0, then does this mean that this series is diverging

    asked by eng
  34. English

    In the poem "The Tortoise in Eternity" by Elinor Wylie in line 1 the phrase "patterned horn" refers to? A. Grass B. Metal C. Engraving D. Shell E. Plastic

    asked by Victoria
  35. Physics

    Rotational Inertia- Particle 1: m=50g x=2 cm y=2 cm P 2: m=25 x=0 y=4 P 3: m=25 x=-3 y=-3 P 4: m=30 x=-e y=4 The question says to find the rotational inertia of the collection about the x, y, and 7 axis in g/cm^2, then suppose the x axis rotational inertia

    asked by Mark
  36. Algebra 2

    Give the domain and range of each relation and make a mapping diagram -From each unique letter in the word seven to the number that represents the position of that letter in the alphabet

    asked by Anonymous
  37. MTH233/statistics UOP

    Clickfraud has become a major concern as more and more companies advertise on the Internet. When Google places an ad for a company with its search results, the company pays a fee to Google each time someone clicks on the link. That’s fine when it’s a

    asked by sue
  38. Chemistry

    Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0 grams. Assume that the molecular formula for gasoline is C6H6

    asked by Kelsey
  39. Physics

    n early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the

    asked by Mark
  40. chemistry

    In an experiement 23.4 g of iron sulphide are added to excess oxygen and 16.5 grams of iron (III) oxide, Fe2O3 are produced the balanced equation for the reaction is 4FeS + 7O2 -- 2Fe2O3 + 2SO2 Calculate the percent yield of iron oxide in the experiement

    asked by Kelsey
  41. chemistry

    Describe the electrolysis of an aqueous soln of KNO3

    asked by Yoo
  42. psychology

    It has been suggested that a stable worldview may contribute to the strress protection associated with A: an external locus of control B :the fight-or- flight response C: the faith factor D: biofeedback

    asked by rally
  43. chemistry

    why is it that [H2O] is NOT included in the rate law, even though it is a reactant?

    asked by Jin
  44. Communication and Listening Studies

    I need some scholarly journal articles discussing the importance of listening for mass media professionals, especially those in radio. Can anyone help me find atleast 4 articles? Thanks!

    asked by Alicia
  45. chemistry

    when a zinc strip is placed in a copper nitrate solution, the strip becomes coated with copper. write down the oxidation half-reaction for the reaction that takes place.

    asked by Anonymous
  46. MATH

    A 210 ft. long rope is cut into 3 pieces. The first piece of rope is 3 times as long as the second piece of rope. The third piece of rope is 2 times as long as the second piece of rope. What is the length of the longest piece of rope?

    asked by AMY
  47. chemistry

    In titration of a 0.10M soln of Na2Co3 with HCL which of the following will be present in the largest concentration at the first equivalence point? a. Co3^2- b. HCO3- c. H+ d. H2CO3 e. OH-

    asked by Jin
  48. English-Literature

    In the poem Words by Vern Rutsala, line 1 introduces the narrator's sense of? A. Celebration B. Frustration C. Abundance D. Gratification E. Disorganization

    asked by Victoria
  49. chemistry

    for oxidation number of Fe(CO)5 I don't understand why Fe is zero

    asked by Yoo
  50. english

    Democracy is a noble goal; it is important, however, to protect the minority from the tyranny of the majority. 1. Simple Sentence 2. Compound Sentence 3. Complex Sentence 4. Compound-Complex Sentence

    asked by Keisha
  51. Botany

    Q: A difference between beans and corn during germination is a. the cotyledons are above ground in the bean plant b. the corn shoot is hooked to protect it from damage c. the bean plant cannot germinate until water penetrates the seed coat d. oxygen is

    asked by Mesut
  52. economics

    What is meant by the term utility and how does it relate to purposeful behavior

    asked by stephanie
  53. trig

    Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ

    asked by student
  54. physics

    a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

    asked by Jen
  55. probability

    you are to set up a code of consisting of three letters (A to Z) and five numbers (0 to 9). a) how many codes are possible if the letters and numbers can be repeated? b) how many codes are possible if each letter and digit can be only used once? c) how

    asked by sha
  56. chemistry

    Calculate the molarity of the solution produced by mixing (a) 50.0 ml of 0.200 M NaCl and 100.0 ml of 0.100 M NaCl;

    asked by Joseph
  57. Physics

    The flywheel of a steam engine runs with a constant angular speed of 321 rev/min (in the counterclockwise direction). When steam is shut off, the friction of the bearings stops the wheel in 1.9 h. (a) What is the constant angular acceleration, in

    asked by Anna
  58. english

    5.Unless my girlfriend postpones her visit from Calgary, I will not have time to study for my exam. 1. Simple Sentence 2. Compound Sentence 3. Complex Sentence 4. Compound-Complex Sentence

    asked by Keisha
  59. statistics

    The heights of 1000 students in a college are normally distributed with a mean 5’10” and SD 2”. Find the approximate number of students in each range of the heights: 1) 5’8”-6’ 2) 5’6”-6’2” 3) Above 5’10” 4) Below 6’ 5) Above

    asked by Anonymous
  60. Chemistry

    As a general rule, hydrocarbons are ________ in water and ________ in other hydrocarbons choices are: a.soluble, soluble b.insoluble, insoluble c.insoluble,soluble d.soluble, insoluble

    asked by Anonymous
  61. Economics

    Assume a monopolist with the following: a. Qd = 100 – 10p b. TC = 1 + 2Q Find the following: Price at profit max Quantity at profit max TR at profit max TC at profit max Profit

    asked by mike Gee
  62. accounting

    Write a 700-word paper answering Question 2 in Ch. 24. Explain the need for full disclosure in financial reporting. Identify possible consequences of failing to properly disclose certain items in financial statements.

    asked by connie
  63. Chemistry

    Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0 grams. Assume that the molecular formula for gasoline is C6H6

    asked by Kelsey
  64. algebra

    many pounds of each should be mixed together in order to get 240-lb mixture that is 7% portein how many pounds of the cornmeal should be in the mixture? How many pounds of the soybean meal sould be in the mixture?

    asked by Ana
  65. Chemistry

    If 75 g of ice at 0.0 Celsius were added to 1.5 L of water at 75 Celsius, what would the final temperature of the mixture be?

    asked by Kelly
  66. Finance/Math

    PLease help, I have a business finance class I am really ineed of help. I do not understand this at all. I have gone over and over the instructions and I am still getting it wrong. Please help. Year Cash Flow 1 $695,000 2 876,250 3 1,057,500 4 1,238,750 5

    asked by Courtney
  67. Statistics

    Let’s continue our analysis of liberals and conservatives, taking a look this time at differences in their educational attainment. We obtain the following information from the 2002 GSS – the average educational attainment for liberals is 13.90 years

    asked by Yah
  68. bussiness/acct

    Select a management function (planning, directing and motivating, or controlling) and explain how that function relates to business as a whole. Minimum 150 words.

    asked by hmm
  69. psychology

    People heavily exposed to violent !@#$%^&ography are likely to engage in sexually aggressive behaviors that reflect a misleading A: hindsight bias B: social script C:bystander effect D:two-factor theory

    asked by rally
  70. Chemistry

    Ethanol is a. soluble in water not soluble in hexane because the OH is polar. b. soluble in hexane but not soluble in water because it is a hydrocarbon. c. soluble in water and soluble in hexane because it has a nonpolar hydrocarbon part and a polar OH. I

    asked by Anonymous
  71. chemistry

    Which of the following salts would show an appreciable pH-dependent solubility? a. AgCl b. Mg(OH)2 c. BaF d. both b and c e. all of the above I put c as my answer (not sure if its right, but can you explain how you would solve this)

    asked by Jin
  72. HUMANITIES

    DEFINE WHAT IS MEANT BY THE TERM''HUMANITIES''AND EXPLAIN WHAT DISTINGUISHED THE HUMANITIES FROM OTHER MODES OF HUMAN INQUIRY AND EXPRESSION. THEN LIST A CURRENT EX. OF EACH OF THE EXPRESSIONS OF THE HUMANITIES LISTED BELOW AND TELL WHY EACH EX. YOU GIVE

    asked by TIFFNAY
  73. chemistry

    A mole of HBr, a strong acid, is made up to a liter of solution with pure water. At equilibrium... (a) [H+] = 1M (b) [H+] = 0M (c) pH = 0 (d) both a & c (e) we cannot say without exact pKa of hydrobromic acid.

    asked by Sam
  74. physics

    a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

    asked by Jen
  75. chemistry

    Faraday¡¯s Law of Electrolysis • Practice Problem. • What is the oxidation state of the osmium atom in an unknown salt if 26.7 grams of osmium plate out when a current of 15 amps is passed through a solution of this salt for 1 hour?

    asked by Jin
  76. math problem

    two cards are drawn at random (without replacement) from a regular deck of 52 cards a) what is the probability that the first card is a heart and the second is red? b) what is the probability that the first card is red and the second is a heart?

    asked by sha
  77. Chemistry

    1.What hydrocarbons generally will undergo an immediate reaction with Br? 2.What hydrocarbons generally will undergo an immediate reaction with KMnO4 Choices for both are Alcohols,Alkanes, Alkenes, Aromatics I think for 1. is at least Alkenes and maybe

    asked by Anonymous
  78. chemistry

    Rates of chemical reactions usually depend on temperature and pressure. However, half-life of all radioactive elements is independent of both T and p. How can these decay rates be independent of T if we beleive in the Arrhenius equation?

    asked by Jin
  79. research evaul 342

    If the coefficient of correlation is –0.81, then the percentage of the variation in y that is explained by the regression line is 81%. A. True B. False

    asked by peter
  80. Statistics

    Car P(Sale) % Sold Per Sale/ Profit Per Sale VW Golf 10% 15% $1,000 Saab 10% 15% $2,000 BWM Z4 10% 20% $12,000 Skoda Octavia10% 10% $1,200 Lada Niva10% 40% $400 Sum 100% 2.1 What is the expected profit for a VW Golf? 2.2 What is the expected profit for a

    asked by Emma
  81. trig

    Calculate the amplitude, period, phase shifts, and 5 points for y=2-sin(2piex/3)

    asked by student
  82. math 127

    In 2008 ACT,Inc reported that 74% of 1500 randomly selected college freshman rerurned to college the next year. Estimate the national freshman to sophomore retention rate. a) Verify below the two condition are met for constructing a confidence interval for

    asked by marylou
  83. algebra

    When solving a rational equation what is the first step we must always take?

    asked by Tammy
  84. chemistry

    A hypothetical diprotic acid has pKa1=5 and pka2=7. Could a buffer at pH6 be prepared with this acid? If so how?

    asked by Yoo
  85. CALC

    1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't

    asked by Kate
  86. English-Literature

    In the poem Catching up with Flannery O'Connor by Mary Hood, the purpose of line 1 is most likely to? A. introduce a setting B. Criticize the girl's habits C. Defend the grandmother's views D. Identify topics of disagreement E. Describe the girl's

    asked by Victoria
  87. chemistry

    How many moles of water will produced at equilibrium be if there is 1.0 mole of carbon dioxide formed at equilibrium? 2 C2 H6(g) + 7 O2(g) 4 CO2(g) + 6 H2 O(g) ... [CO2]^4[H20]^6/[C2 H6]^2[O2]^7

    asked by Anonymous
  88. physics

    One cool 5.0 degree C spring morning, Mason lays a brick sidewalk up to his house, placing the 25 cm long bricks end to end against eachother. However, Mason forgets to leave a space for expansion and when the temperature reaches 36 degree C, the bricks

    asked by Riley
  89. math

    The digits of a two-digit number are reversed. When both these two-digit numbers are added, the result is 88, and when subtracted, the result is 54. The original two-digit number contains which of the following digits? 2 3 5 7 Explain your reasoning. How

    asked by M.A.
  90. chemistry

    How many grams of solid sodium sulfate can be added to 1000L of a 0.02mol/L solution of calcium chloride before a precipitate forms? (Ksp for calcium is 6.1x10^-5)

    asked by Kat
  91. Classics

    What are some similes in The Odyssey? (lattimore translation)?

    asked by S
  92. science

    Water that's on the side of the earth facing the moon will (a) retreat (b) rise (c) stay at the same level (d) fall

    asked by anonymus
  93. English-Literature

    In the poem Catching up with Flanner O'Connor, in line 1 the use of the word "squalled" helps to? A. Illuminate a solution B. Describe crying C. Characterize a relationship D. Predict an event E. Forshawdow the weather

    asked by Victoria
  94. English-literature

    In the poem Catching up with Flannery O'Connor by Mary Hood, in line 1 the use of the word "squalled" helps to? A. Illuminate a solution B. Describe crying C. Characterize a relationship D. Predict an event E. Foreshadow the weather

    asked by Victoria
  95. Calculus II

    There are two extrema for z=2x-x^2+2y^2-y^4. One is located at (1,1,2). Where is the second one located?

    asked by Clint
  96. Chemistry

    In the reaction of a diene, can a s-trans conformation diene and a s-trans conformation dienophile react? I am having some problems finding the answer to this on the net or in my textbook. I know that a s-trans diene cannot react with a s-cis dienophile.

    asked by Neee
  97. EDU

    What are the branches of Educational Philosophy? I have : Metaphysics Epistemology Axiology Is that correct???

    asked by ggirl
  98. math

    of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total comercial time during 1 hour is 13 min, how many 30-second commercials were played that hour? How many 60-second commercials?

    asked by Diana
  99. Math

    The digits of a two-digit number are reversed. When both these two-digit numbers are added, the result is 88, and when subtracted, the result is 54. The original two-digit number contains which of the following digits? 2 3 5 7

    asked by William
  100. health

    Sally sues for malpractice, claiming she didn't know that the operation could have (and, in this case, did have) negative consequences. Your office has a copy of an informed consent form signed by Sally. Explain how this affects the case.

    asked by Katy
  101. Chemistry

    1.What hydrocarbons generally will undergo an immediate reaction with Br? 2.What hydrocarbons generally will undergo an immediate reaction with KMnO4 Choices for both are Alcohols,Alkanes, Alkenes, Aromatics I think for 1. is at least Alkenes and maybe

    asked by Anonymous
  102. English (E-mail Writing)

    I want to do some research with a professor on campus, but I'm having a lot of trouble composing this e-mail. She sent me a long e-mail with stipulations for joining her lab and at the end it basically says "If you agree to all this, let me know and we'll

    asked by Ben
  103. chemistry

    for an ionization energy vs. atomic number graph it is a relatively jagged graph as you go across a period. Why does this occur?

    asked by Anonymous
  104. economics

    Assume there are three markets: A: Wool; B: Synthetic Fiber; C: Business Travel. Assume we are in the years after the introduction of synthetic fibers. Using demand and supply analysis explain what happens in the SHORT RUN in all three markets and why?

    asked by mike Gee
  105. chemistry

    calculate the number of moles of carbon dioxide in a volume of 50.0 mL of carbon dioxide, assuming a pressure of 1.00 atm and a temperature of 23.0C

    asked by annie
  106. Calc

    I'm trying to write an equation for all the infinite values of the equation -i ln(2 + sqrt(3) ) people have told me that its pi(2n + 1) -i ln(2 + sqrt(3) ) I don't see how so I plug in numbers for n and don't get the same answer usign my calculator please

    asked by Kate
  107. com 155

    Students are often confused about the use of the words good and well in their writing. Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the

    asked by jo jo
  108. Algebra

    Having some trouble graphing this y = 3 - x for x less then or equal to 1 y = 2x for x greater than one how do I indicate that for the first part (1, 2) there would be a closed point at that cordinate but for the second part an open point at those same

    asked by Kate
  109. Algebra 2

    make a mapping diagram with domains of -5,0,5 and ranges of 0,-5,5

    asked by Anonymous
  110. accounting

    E11-6 The following direct materials and direct labor data pertain to the operations of Batista Manufacturing Company for the month of August.

    asked by joe
  111. Law

    Explain the subject matter jurisdiction of federal courts.

    asked by Katy
  112. Calculus II

    What is the second derivative of f(x,y) = 3x^2y + 4y^3 first with respect to y and then with respect to x?

    asked by Clint
  113. English

    Hey there, I need a description of the way honey feels in your mouth, i also need words that are sensually appealing, like the way you see honey and the way you taste it and what it feels like and stuff. Thank-you for the help!

    asked by Penny
  114. chemistry

    To have a color, the transition metal complex should have an electron in a d-orbital, and an unoccupied spot in a higher energy d-orbital. • Practice Problem. • Predict whether each of the following complexes could be colored: (a) [Sc(H2O)6]3+ (b)

    asked by Jin
  115. Calc

    1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't

    asked by Kate
  116. college

    If Dr. Jones is practicing "defensive medicine," what is likely to be his motivation for doing so?

    asked by Katy
  117. Chemistry

    How do you calculate Cwater?

    asked by Anonymous
  118. chemistry

    A salt that could decrease the ionization of HCOl in soln is probably a. NaOH b. NaCl c. NaOCl d. NaH e. none of these how would you solve this

    asked by Jin
  119. chemistry

    how do you solve this? The candy indistry converts sucrose (C11H22O11,table sugar),a crystalline material, to invert sugar, a hydrolzyed [rpdict tjat os 50:50 frutose and glucose. The hydrolysis occurs in water, quite slowly, at an elevated temperature of

    asked by Jin
  120. Law

    Compare and contrast contributory negligence with comparative negligence.

    asked by Katy
  121. chemistry

    why is it that [H2O] is NOT included in the rate law, even though it is a reactant?

    asked by Jin
  122. calculus

    dx/dt=5x-2y,dy/dt=4x-y

    asked by Sandeep
  123. Math

    a corporate software development firm has a staff of online support technicians available 24 hours hours a day. they advertise that one of the advantages of using their company is that the ratio of accounts-to-support technicians is 5:1. This year they

    asked by Lilia
  124. math

    i am a polygon.i am a quadrangle.all of my sides are the same length.none of my angles are right angles.what am i?

    asked by yessenia
  125. FP 101

    Discuss one of the risks of a variable rate loan. What is your experience with this type of loan? Under what circumstances would you consider agreeing to a variable rate loan?

    asked by jo jo
  126. algebra

    y = 2x + 1 solve for y y=1

    asked by Lilia
  127. Math (Algebra)

    Could someone help to explain to me how factoring is used to solve quadratic equations?

    asked by Lynn
  128. human resources

    What is shared vision? And why is an shared vision important to an organization? This is what I have so far: shared vision according to Robin & Associates (1997-2010),"is a vehicle for building shared meaning," (para.1). But is that it? And then why is it

    asked by momof8
  129. english

    the follow sentenceis an example of proper comma usage:"MANY STUDENTS ANTICIPATE SPRING BREAK BUT, LUIS LOOKS FORWARD TO WINTER VACATION MORE" TRUE OR FALSE

    asked by sharon
  130. Quantitative Analysis

    Payoff tables are more difficult to use than decision trees when?

    asked by Rose
  131. college math213

    place parentheses, if needed, to make each of the following equations true: a.5+6.3=33 b.8+7-3=12 c.6+8-2/2=13 d.9+6/3=5

    asked by fiona
  132. 6th grade

    How do you do reverse division on prime factorization?

    asked by Jacod
  133. xacc 280

    What are reversing entries and why are they required?

    asked by Sally
  134. algebra 2

    The student council is picking up litter along the highway. When they are halfway done, they have collected at least 5 bags of liter. If their rate of collection remains constant, what is the total number of bags they will have when they are finished?

    asked by jess
  135. math

    what is link sheet?

    asked by ljay
  136. Law

    Which of the following is most pertinent in a legal or courtroom context? a. Patient's expectation of privacy b. Confidentiality c. Privileged communication d. Etiquette

    asked by Katy