Questions and responses by Anonymous, page 87
  1. English Communcation 1

    Speak aloud each of the following words.Which word has stress on its first syllable: A-Ob.tain B-Fol.low D-De.test

    asked on September 3, 2010
  2. CHEM

    A 60.0 sample of water is heated to its boiling point. How much heat (in ) is required to vaporize it? (Assume a density of 1.00 .)

    asked on September 2, 2010
  3. college physics

    A 3.00 kg ball is thrown vertically into the air with an initial velocity of 15.0 m/s. The maximum height of the ball is

    asked on September 2, 2010
  4. Differential Equations

    A cylindrical tank with length 5 ft and raduis of 3 ft is situated wit its axis horizontal. if a circular bottom hole with a radius of 1 in. is opened and the tank is initially half full of xylene, how long will it ake for the liquid to drain completely?

    asked on August 31, 2010
  5. algebra116

    In 1995, the life expectancy of males in a certain country was 73.8 years. In 2001, it was 76.5 years. Let E represent the life expectancy in year t and let t represent the number of years since 1995. The linear function E(t) that fits the data is__. Use

    asked on August 29, 2010
  6. math

    6. 2 m 300 mm = _____cm 7. 0.21 km = ____m 8. 600 cm3 = __L 9. .012L = __________mL 10. 2,000mg =_____kg

    asked on August 28, 2010
  7. Miscellaneous

    How can I become the smartest person in y class?

    asked on August 25, 2010
  8. physics

    In 1989, Carl Lewis established a world record when he ran the 100. meter dash in 9.92 seconds. What was his average speed (in m/s) for the race? Remember to include your data, equation, and work when solving this problem

    asked on August 24, 2010
  9. physics

    Is the acceleration due to gravity more or less atop Mt. Everest than at sea level? Defend your answer.

    asked on August 23, 2010
  10. Physics

    How much energy is need to place four positive charges, each of magnitude +5.0 mC, at the vertices of a square of side 2.5 cm?

    asked on August 19, 2010
  11. Chemistry

    Consider the reaction: Mg + I2 -> MgI2. Identify the limiting reagent in of the reaction mixtures. 1. 100 atoms of Mg and 100 molecules of I2. 2. 150 atoms of Mg and 100 molecules of I2. 4. 0.16 mol Mg and 0.25 mol I2. 5. 0.14 mol Mg and 0.14 mol I2. 6.

    asked on August 16, 2010
  12. PreCal

    Janine, a science student, measured the volume of carbon dioxide gas that can be absorbed by one cubic centimeter of charcoal at pressure x. She made the following four sets of measurements: (120, 3.1) (340, 5.5) (534, 7.1) (698, 8.3) Janine finds that the

    asked on August 15, 2010
  13. chemistry

    The reaction of the ferric ions with isocyanate ions is an exothermic reaction. In what direction would you expect the equilibrium to move if the solution temperature is raised? Would the color of the reaction intensify? Explain. What would happen if you

    asked on August 15, 2010
  14. algebra

    on three consecutive passes a football team gains 7yards, loses 15 yards and gains 32 yards what number represents the total net yardage

    asked on August 14, 2010
  15. Chemistry

    1. A sample of argon gas is at a pressure of 1.24 x 10^4 kPa and a temperature of 24°C in a rigid 25-L tank. How many moles of argon does this tank contain? I ended up with .130 but its 130 Can someone tell me what I did wrong? This whole chapter on gases

    asked on August 11, 2010
  16. Coporate finance

    Consider the following two, completely separate, economies. The expected return violatility of all stocks in both economies is the same. In the first economy, all stocks move together-in good times all prices rise together and in bad times they all fall

    asked on August 2, 2010
  17. chemistry

    what is the stereochemical formula for water, pentane, ethanol, acetone, and methanol. please help!

    asked on July 30, 2010
  18. Physical Science

    how much heat must be added to 300g of water to raise its temperature from 20 to 80 degrees celcius?

    asked on July 26, 2010
  19. chemistry

    Consider the following half-reactions: MnO4- + 8H+ + 5e- --> Mn2+ + 4H2O NO3- + 4H+ + 3e- --> NO + 2H2O Predict whether NO3- ions will oxidize Mn2+ to MnO4- under standard-state conditions.

    asked on July 23, 2010
  20. accounting

    Mr. and Mrs. Garcia have a total of $ 100,000 to be invested in stocks, bonds, and a money market account.The stocks have a rate of return of 12%/ year, while the bonds and the money market account pay 8% and 4%/ year, respec-tively. They have stipulated

    asked on July 21, 2010
  21. geometry

    If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?

    asked on July 19, 2010

    How are carbon dioxide and other trace gases thought to be potentially related to global warming? Are the levels of these gases in our atmosphere increasing or decreasing? Why? Finally, what are some of the observed climatic trends and possible

    asked on July 18, 2010

    How are carbon dioxide and other trace gases thought to be potentially related to global warming? Are the levels of these gases in our atmosphere increasing or decreasing? Why? Finally, what are some of the observed climatic trends and possible

    asked on July 14, 2010

    You are given a 6-month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as possible, you try to research the climate of a small town in Australia. There is little data since no major cities are located

    asked on July 13, 2010
  25. science

    A compound contains 3.99% P, 82.3% Br, and 13.7% Cl. Find the empirical formula

    asked on July 11, 2010
  26. American literature

    compare and contrast the characters Natty Bumppo in the prairie and john in the hospital sketches

    asked on July 9, 2010
  27. Physics

    1) A small dense object is suspended from the rear view mirror in a car by a lightweight fiber. As the car is accelerating at 1.90 m/s 2, what angle does the string make with the vertical? 2) A patient is to be given a blood transfusion. The blood is to

    asked on July 9, 2010
  28. Chemistry

    Air entering the lungs ends up in tiny sacs called alveoli. It is from the alveoli that oxygen diffuses into the blood. The average voume of the alveoli is .00000000078 L. Assuming that the pressure in the alveoli is 1.0 atm and the temperature is 37

    asked on June 19, 2010
  29. Onion root tip

    Which areas of onion root tip have greatest amount of cell division?

    asked on June 17, 2010
  30. Calculus

    A ship is sailing due north at 12km/h while another ship is observed 15km ahead, travellers due east at 9 km/h. What is the closest distance of approach of the two ships?

    asked on June 17, 2010
  31. college

    A block of mass m is dropped from the fourth floor of an office building, subsequently hitting the sidewalk at speed v. From what floor should the mass be dropped to double that impact speed?

    asked on June 15, 2010
  32. physics

    Doug hits a hockey puck, giving it an initial velocity of 6.0 m/s. If the coefficient of kinetic friction between ice and puck is 0.032, how far will the puck slide before stopping? A) 19 m B) 25 m C) 37 m D) 57 m E) 68 m

    asked on June 14, 2010
  33. Accounting

    Hess, Inc. sells a single product with a contribution margin of $12 per unit and fixed costs of $74,400 and sales for the current year of $100,000. How much is Hess’s break even point?

    asked on June 13, 2010
  34. physics

    A stone is thrown with an initial speed of 15 m/s at an angle of 37 above the horizontal from the top of a 35 m building. If g = 9.8 m/s2 and air resistance is negligible, then what is the magnitude of the vertical velocity component of the rock as it hits

    asked on June 11, 2010
  35. English

    When an animated cartoon was made of Animal Farm, it was given a happy ending. Animals everywhere hear that Napoleon has betrayed the cause of animalism. They join in a second revolution and succeed in overthrowing him. This leads to the establishment of

    asked on June 10, 2010

    A 62.0 kg skier is moving at 6.50 m/s on a frictionless, horizontal snow covered plateau when she encounters a rough patch 3.50 m long. The coefficient of kinetic friction between this patch and returning to friction-free snow, she skis down an icy,

    asked on June 9, 2010
  37. math-geometry

    a person in a boat sights the top of a lighthouse at an angle of elevation of 20 degrees. if the lighthouse is 40 feet tall find the distance from the base of the lighthouse to the boat.

    asked on June 3, 2010
  38. college

    In March 1988, Daniel E. Beren, John M. Elliot, and Edward F. Mannino formed Walnut Street Four, a general partnership, to purchase and renovate an office building in Harrisburg, Pennsylvania. They borrowed more than $200,000 from Hamilton Bank to purchase

    asked on May 29, 2010
  39. Chem

    How many moles of oxygen will occupy a volume of 2.5 liters at 1.2 atm and 25 degrees celcius

    asked on May 28, 2010
  40. algebra

    $11,700 is invested in a compound interest account paying 3.9% compounded quarterly. How much will be in the account after 18 years? Round your answer to the nearest cent.

    asked on May 27, 2010
  41. The father

    Any one heard of the short story "The Father" by Hugh Garner?

    asked on May 26, 2010
  42. Chem

    Can someone explain how to do this problem? For the equilibrium reation below, 288g of liquid water and 448 g of carbon monoxide are placed in an 8.00 liter container and heated to 900 K. If the value of K_c for the reaction at 900 K is 1.56, what are the

    asked on May 25, 2010
  43. 11th grade

    write an expression that represents the width of a rectangle with length x+5 anmd area x to the 3 power + 12x to the 2nd power+ 47x+60

    asked on May 24, 2010
  44. Chemistry

    25g of a breakfast cereal contain 110 calories. How many calories are released per gram? Convert the answer above to joules.

    asked on May 24, 2010
  45. precal

    How do you solve: sin[arccos(-2/7)] ?

    asked on May 23, 2010
  46. Poetry

    Which one of the following lines best illustrates personification? A. A narrow wind complains all day. B. The fog comes on little cat feet. C. Spring is a dream unsung. D. She floated graceful as a dove.

    asked on May 21, 2010
  47. Chemistry

    A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order

    asked on May 18, 2010
  48. Physics

    A satellite orbits the earth at a distance of 10,000 miles from the earth's center. At this distance the force of gravity on the satellite is 90lbs. What would the force on the satellite be if the distance were 5000 miles instead? At what distance from the

    asked on May 17, 2010
  49. Physics

    3.A certain radar installation tracks airplanes by transmitting electromagnetic radiation of wavelength 3 cm. a) Show that the frequency of this radiation is 10 GHz. b) Show that the time required for a pulse of radar waves to reach an airplane 5 km away

    asked on May 12, 2010
  50. Algebra

    write the solution in interval notation x

    asked on May 12, 2010
  51. Finance

    Last year Charter Corp. had sales of $300,000, operating costs of $265,000, and year-end assets of $200,000. The debt-to-total-assets ratio was 25%, the interest rate on the debt was 10%, and the firm's tax rate was 35%. The new CFO wants to see how the

    asked on May 8, 2010
  52. math

    a pharmacist mixed some 10% saline solution with some 15% saline solution to obtain 100ml of a 12%saline solution.How much of 10% saline solution did the pharmist use in the mixture.dO NOT UNDERSTAND TO MUCH INFO.

    asked on May 6, 2010
  53. Calculus

    A car is heading northwest at 80 km/h and a truck is heading east at 60km/h. Determine the velocity of the truck relative to the car.

    asked on May 4, 2010
  54. Gen. Chemistry

    From these two reactions at 298 K, V2O3(s) + 3CO(g) -> 2V(s) + 3CO2(g); DH° = 369.8 kJ; DS° = 8.3 J/K V2O5(s) + 2CO(g) -> V2O3(s) + 2CO2(g); DH° = –234.2 kJ; DS° = 0.2 J/K calculate DG° for the following at 298 K: 2V(s) + 5CO2(g) -> V2O5(s) + 5CO(g)

    asked on May 3, 2010
  55. statistics

    6. A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean high degrees of approval of one's social role). The results are as follows: Ethnic Group A: N = 15 M= 55 S2 = 6.5 Ethnic

    asked on May 2, 2010
  56. Chemistry 103

    How many acetone molecules are present in a bottle of acetone with a volume of 325ml and density of acetone .788g/cm

    asked on April 29, 2010
  57. college

    Find the minimum initial speed of a projectile in order for it to reach a height of 2039 km above the surface of the earth.

    asked on April 29, 2010
  58. geometry

    An isosceles trapezoid has base angle 45 degrees and bases of length 12 and 32. Find its area.

    asked on April 28, 2010
  59. Accounting

    Janfer Book Store purchased a new automobile that cost $10,000, made a down payment of $3,000, and signed a note payable for the balance. The entry to record this transaction is: Cash 3,000.00 Note Payable7,000.00 Automobile 10,000.00 Cash 3,000.00

    asked on April 25, 2010
  60. 8 math

    A painting by a famous impressionist sold through an auction house where the sale price is not publicly disclosed. The auction house works on a commission rate if 10%. They earned a commission of $400,000 on this painting. What was the price of the

    asked on April 25, 2010
  61. Chemistry

    Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) 2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum must

    asked on April 25, 2010

    Suppose you are a typical person in the U.S. economy. You pay 4 percent of your income in state income tax and 15.3 percent of your labor earnings in federal payroll taxes (employer and employee shares combined). You also pay federal income taxes as in

    asked on April 22, 2010
  63. sociology

    what are the manifest and latent functions of a health club?

    asked on April 21, 2010
  64. Asia

    During British rule, the Indian textile industry was almost wiped out because

    asked on April 19, 2010
  65. acc

    Case 9-2 Purchase of Assets On October 10, 2005, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10,

    asked on April 19, 2010
  66. chemistry

    A student weighed out 1.5g of salicylic acid into a flask and then added 4ml of acetic an hydride to react. He also added 5 drops of concentrated sulfuric acid. Density of acetic an hydride is 1.08g/ml and sulfuric acid is 1.85g/ml (sulfuric acid is a

    asked on April 19, 2010
  67. statistics

    a mathematics professor wishes to analyze the relationship between the number of papers graded by his department's student homework graders an the total amount of money paid to the graders. He collects data for 12 randomly chosen graders and uses MINITAB

    asked on April 19, 2010
  68. math

    least common denominator of (x^5/x^2 6x 9) and (5/x^2 5x 6)

    asked on April 19, 2010
  69. general physics

    If wind blows at 30 m/s over a house, what is the net force on the roof if its area is 300 m^2 and is flat?

    asked on April 18, 2010
  70. physics

    If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 63 cm*29 cm*20cm, what would its mass be?

    asked on April 18, 2010
  71. statistics

    According to a study of 90 truckers, a trucker drives, on average, 540 miles per day. If the standard deviation of the miles driven per day for the population of truckers is 40, find the 99% confidence interval of the mean number of miles driven per day by

    asked on April 13, 2010
  72. chemistry

    80.0 g of iodine (v) oxide reacts with 28.0 g of carbon monoxide determine the mass of iodine

    asked on April 12, 2010
  73. Earth Science

    Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information

    asked on April 7, 2010
  74. spanish

    how do you answer "te gusta la clase de matematicas tanto como la clase de espanol? por que?" in spanish

    asked on April 2, 2010
  75. College Chemistry

    Using this equation: CH4(g)+2O2(g)---> CO2(g)+ 2H2O(l) What is the value of Enthalpy( triangle H) if 15.00g of O2 is reacted?? How do i set up the mole to mole ration?? with what am i comparing it too??

    asked on March 30, 2010
  76. chemistry

    2.) A particular vinegar is found to contain 5.9% acetic acid by mass. What mass of this vinegar should be diluted with water to produce 0.750 L of a solution with pH = 4.58?

    asked on March 28, 2010
  77. calculus 1

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on March 25, 2010
  78. 8th grade

    what is the answer to what do you call drilling 4,876 holes?

    asked on March 20, 2010
  79. MATH

    Sam built a ramp to a loading dock. The ramp has a vertical support 2 m from the base of the loading dock and 3m from the base of the ramp. If the vertical support is 1.2 m in height, what is the height of the loading dock? Can someone please show me how

    asked on March 17, 2010
  80. Physics Rotaional Kinetic Energy

    A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4000 rev/min. (a) Find the kinetic

    asked on March 17, 2010
  81. physical science

    A sample of silver at 20.0 °C is heated to 100 °C when 1000 cal is added. What is the mass of the silver? (csilver = 0.056 cal/deg-gm)

    asked on March 16, 2010
  82. business

    Which of the following is the most important step to help improve America's business ethics

    asked on March 16, 2010
  83. Geometry

    Find the perimeter and area of an equilateral triangle with a height of 24in.

    asked on March 11, 2010
  84. rotations

    A force FT is applied to a cord wrapped around a pulley with moment of inertia I = 0.435 kg·m2 and radius R0 = 33.0 cm. (See the figure.) There is a frictional torque τfr at the axle of 1.10 m·N. Suppose the force FT is given by the relation FT = 4.00t

    asked on March 10, 2010
  85. science

    which ocean current cools the climate of locations along the northeastern coastline of north america?

    asked on March 9, 2010
  86. Chemistry

    Predict the sign of Delta S in the system for each of the following reactions. 2H3O^+(aq) + CO3^2-(aq) ---> CO2(g) + 3H2O(l) -,+, or 0?

    asked on March 3, 2010
  87. college physics

    A 22.1 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.4 m/s. How much thermal energy due to friction was generated in this process? I'm not sure where to even start this problem. Please help.

    asked on February 28, 2010
  88. physics

    A 22.1 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.4 m/s. How much thermal energy due to friction was generated in this process? I'm sure where to even start this problem

    asked on February 28, 2010
  89. Geology

    One of the curious things about the loss of life in regions surrounding the Bay of Bengal is that some 38,195 lives were lost in Sri Lanka, whereas only 2 lives were lost in Bangladesh. How could this be? It certainly couldn’t be the difference in

    asked on February 27, 2010
  90. chem

    Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate. For the two important classes of catalyst I have homogeneous

    asked on February 26, 2010
  91. science

    Calculate the mass of SO3 gas that forms when 10g of SO2 reacts with oxygen

    asked on February 26, 2010
  92. inventory

    Suppose that the R & B Beverage Company has a soft drink product that shows a constant annual demand rate of 3600 cases. A case of the soft drink costs R & B $3. Ordering costs $20 per order and holding costs are 25% of the value of the inventory. R & B

    asked on February 26, 2010
  93. Physics

    If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?

    asked on February 23, 2010
  94. Chemistry

    is this statement true chemicals participating in a chemical reaction contain only potential energy?

    asked on February 23, 2010
  95. physics

    Two loudspeakers in a 20°C room emit 629 Hz sound waves along the x-axis. (a) If the speakers are in phase, what is the smallest distance between the speakers for which the interference of the sound waves is destructive? (b) If the speakers are out of

    asked on February 23, 2010
  96. Chemistry

    How much heat is required to warm 225g of ice from -48.6C melt the ice warm the water from 0.0C to 100.0C boil the water and heat the steam to 173.0C

    asked on February 22, 2010
  97. AP Chemistry

    A 1.2M NaOCl solution is prepared by dissolving solid NaOCL in distilled water at 298K. The hydrolysis reaction OCl-(aq) + H2O(l) --> HOCl(aq) + OH-(aq) occurs. a. Calculate the value of the equilibrium constant at 298K for the hydrolysis reaction. b.

    asked on February 17, 2010
  98. Physics-energy

    Calculate the thermal energy dissipated from brakes in a 1310-kg car that descends a 13.5° hill. The car begins braking when its speed is 88 km/h and slows down to a speed of 34 km/h in a distance of 0.52 km measured along the road.

    asked on February 16, 2010
  99. Finance

    Has the buildup in plant and equipment been financed in a satisfactory manner? Briefly discuss .

    asked on February 13, 2010
  100. math

    Bananas cost $0.98 per kilogram. About how many 170-g bananas can you buy for 1 dollar

    asked on February 11, 2010