Questions Asked in 2008

Most Popular Questions of 2008

  1. Algebra

    What Do You Call It When Someone Pays Back a Loan Quickly? I would Really Apreciate To Get The answer.

    asked by Seam on February 8, 2008
  2. math

    what should you not do if you want to help get rid of graffiti

    asked by Anonymous on August 19, 2008
  3. 3rd grade

    juan says, When you put together unequal group, you can only add. is this correct

    asked by cook on November 12, 2008
  4. algebra math riddle...

    how many cattle are there on the lazy circle double-o four square ranch?

    asked by noname on October 2, 2008
  5. Math

    What multiplication fact can be found by using the arrays for 2x9 and 5x9?

    asked by Lori on February 11, 2008
  6. Physics

    A 2.0-kilogram laboratory cart is sliding across a horizontal frictionless surface at a constant velocity of 4.0 meters per second east. What will be the cart’s velocity after a 6.0-newton westward force acts on it for 2.0 seconds? (1) 2.0 m/s east (3)

    asked by James on January 3, 2008
  7. homework

    In what ways are expository essays similar to business communication? In what ways are they different? What part do facts play in the expository essay? What part does opinion play? Explain your answers in two paragraphs (one discussing similarities and

    asked by Anonymous on November 7, 2008
  8. physics

    Two artificial satellites, 1 and 2, orbit the Earth in circular orbits having radii R1 and R2. If R2=2R1, the accelerations a2 and a1 of the satellites are related how?

    asked by Hannah on January 19, 2008
  9. Challenge and Change

    I'm trying to find an answer to this question.. Search and find three other contributors to the field of Marxist or neo-Marxist (new Marxist) research... I've been searching for hours with no luck!! Someone please help!

    asked by Kyle on February 17, 2008
  10. algebra

    what happened when two fruit companies merged? this question is on a worksheet i have to do.

    asked by jESS on March 11, 2008
  11. Reading/Abnormal psychology

    Hello, I am reading the book Girl Interrupted and have to write a review on it, I know that the main person in the book had borderline personality, but I need to find how the treatment an or disorder affected the family, and I can't find the answer to that

    asked by Ashley on October 1, 2008
  12. SAT Essay

    PLEASE GRADE THIS PRACTICE SAT ESSAY FOR ME Question: Do you agree with the statement that figures of authority tend to abuse their power? Government entities and rulers of the general population consistently mark history with periods of unrestrained,

    asked by Sahil on August 18, 2008
  13. English

    Topic: Write a review on a film you've seen. Based on the television series characters created by Ross Bagdasarian, the film Alvin and the Chipmunks may have a cheesy, predictable plotline, but the three furry animals make for a wonderful family comedy

    asked by Adams on June 24, 2008
  14. COM 135

    Review the importance of the four major areas with which a writer must be concerned in order to appeal to a reader’s visual sensibilities. What type of document design would be most effective for your final project? Explain your answer.

    asked by dawn on March 3, 2008
  15. novel help

    Hello, I need to write a short review on the novel Girl Interrupted while I have read the book twice I can't find how the disorder that Susanna Kaysen has affected her family members, does it say in the book, also I need to put what treatment she received

    asked by chris on October 12, 2008
  16. Random

    Does anyone know anything about first cash advance?

    asked by Anonymous on October 30, 2008
  17. english

    asking help for a reading report

    asked by jeian on October 3, 2008
  18. English

    Topic:Write a review of a film you've seen. Convince your audience of your well-reasoned opinion. Based on the television series characters created by Ross Bagdasarian, the film Alvin and the Chipmunks may have a cheesy, predictable plotline, but the three

    asked by Adams on June 24, 2008
  19. alg 2 review

    write the following absolute value expressions as piecewise expressions: y= abs(2x-4)

    asked by jared on June 21, 2008
  20. physics

    the sensor in the torso of a crash-test dummy records the magnitude and direction of the net force acting on the dummy. if the dummy is thrown forward with a force of 130.0 N while simultaneously being hit from side with a force of 4500.0 N, what force

    asked by i love polka on November 4, 2008
  21. chemistry

    Which of the following diatomic species are paramagnetic and which are diamagnetic? A blank molecular orbital diagram (Part B 1 figure) has been provided to help you. Drag the formulas to the appropriate magnetic bin :C2^2+,Li2-,B2^2-

    asked by defferan on November 19, 2008
  22. Algebra

    How Does a Rodeo Star Get Around

    asked by Anonymous on November 9, 2008
  23. Math

    Algebra Riddle with PIZZAZZ "Did you hear about..."

    asked by JC on October 26, 2008
  24. math

    what can you use to tie up a spaceship

    asked by Anonymous on April 17, 2008
  25. Chemistry/hydrolysis of ATP

    Cells use the hydrolysis of ATP as a source of energy. The conversion of ATP to ADP has a standard free energy change of -30.5 kJ/mol. If all the free energy from the metabolism of glucose. C6H12O6(s)+6O2(g)¨6CO2(g)+6H2O(l) goes into the conversion of

    asked by Mary on August 28, 2008
  26. Chemistry

    Balance the following redox equations. All occur in Acidic solutions. 1. Cr2O7^2-^ + C2O4^2-^ -> Cr^3+^ + CO2 2. Cu + NO3^-^ -> CU^2+^ + NO 3. MnO2+ HNO2 -> Mn^2+^ + NO3^-^ 4. PbO2 + Mn^2+^ + SO4^2-^ -> PbSO4 + MnO4^-^ 5. HNO2 + Cr2O7^2-^ -> Cr^3+^ +

    asked by Yukiko on September 3, 2008
  27. Math -- Algebra

    Why Are Mr. and Mrs. Number so Happy?

    asked by Sarah on April 22, 2008
  28. Physics - Buoyant Force

    A piece of metal weighs 50.0 N in air, 36.0 N in water, an 41.0 N in an unknown liquid. Find the density of the unknown liquid.

    asked by Phillip on December 16, 2008
  29. English- Fallacies

    Decide which, if any, fallacy might be used to describe the following political slogans or phrases: the fallacies are: -scare tactic -either/or -slippery slope -sentimental appeals -bandwagon appeals -appeals to false authority -dogmatism -moral

    asked by Anonymous on September 7, 2008
  30. chemistry

    Given that S is the central atom, draw a Lewis structure of OSF4 in which the formal charges of all atoms are zero

    asked by defferan on November 15, 2008
  31. history

    the decision of the jury shall be final except under either of these two circumstances

    asked by Anonymous on May 22, 2008
  32. chemistry

    100 mL of is initially at room temperature (22)C. A chilled steel rod at 2 C is placed in the water. If the final temperature of the system is 21.2 C, what is the mass of the steel bar? Specific heat of water = 4.18J/g(C) Specific heat of steel =

    asked by Lilit on October 20, 2008
  33. chemistry

    When combined with cupric ions (aq, 1M) which will produce the largest standard cell voltage? a. ) KMnO4(aq) b. ) MnO2(s) c. ) MnCl2(aq) d. ) Mn(s)

    asked by Anonymous on November 23, 2008
  34. physics

    A horizontal disc rotating freely about a vertical axis makes 90 revolutions per minute. A small piece of wax of mass “m” falls vertically on the disk & sticks to it at a distance “r” from the axis. If the number of revolutions reduces to 60, then

    asked by hriday on December 30, 2008
  35. chemistry

    how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?

    asked by Amanda on February 4, 2008
  36. Physics

    A crate is pulled right with a force of 82.0N to the left wtih a force of 115N upward with a force of 565N and downward with a force of 236N Fine the net external force in the X direction Find the net external force in the y direction find the the

    asked by Physics on December 14, 2008
  37. Partial Pressure- Chemistry

    A gaseous mixture of O2 and N2 contains 31.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 445 mmHg?

    asked by Sarah on September 23, 2008
  38. physics

    Suppose you had two small boxes, each containing 1.0 g of protons. (a) If one were placed on the moon by an astronaut and the other were left on the earth, and if they were connected by a very light (and very long!) string, what would be the tension in the

    asked by Jen on January 21, 2008
  39. 3rd grade

    The question is: If the ones digit of a number greater than 1 is 0, what factor or factors must that number have? a) 2 only b) 5 only c) 2 and 5 d) neither 2 or 5 I thought neither D as it would have to be a number such as 10. 10 + 10 = 20 10 + 10 + 10 =

    asked by Kristina on November 11, 2008
  40. Physics

    Our sun rotates in a circular orbit about the center of the Milky Way galaxy. The radius of the orbit is 2.2 1020 m, and the angular speed of the sun is 1.2 10-15 rad/s. (a) What is the tangential speed of the sun? m/s (b) How long (in years) does it take

    asked by John on March 6, 2008
  41. Physics

    A 40.0kg child is in a swing that is attached to ropes 2.00m long. Find the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions: a) When the ropes are horizontal b) When the ropes

    asked by Robert on February 5, 2008
  42. chemistry

    Arrange the following in order of decreasing stability. A blank molecular orbital diagram (Part A 1 figure) has been provided to help you. Rank the fluorine species from most to least stable. To rank items as equivalent, overlap them. F2, F2+, F2-

    asked by defferan on November 19, 2008
  43. chemistry

    Using your answer from Part A, calculate the volume of a mole of Na atoms (in cm3/mol ). Assume that the entire volume is occupied by Na atoms leaving no gaps or holes between adjacent atoms. (Answer A is V= 2.70*10^7)

    asked by sara on November 10, 2008
  44. chemistry

    Determine the percent yield for the reaction between 98.7g of Sb2S3 and excess oxygen gas if 72.4g Sb4O6 is recovered along with an unknown amount of sulfur dioxide gas.

    asked by kate on March 7, 2008
  45. Chemistry

    If a hydrate of the formula MCl * xH2O decomposes when heated to produce HCL, what change would you expect to occur when a piece of litmus paper is held in the path of the vapor released?

    asked by Chloe on October 14, 2008
  46. physics

    A rectangular trough, 2.0 m long, 0.50 m wide, and 0.50 m deep, is completely full of water. One end of the trough has a small drain plug right at the bottom edge. When you pull the plug, at what speed does water emerge from the hole? (in m/s)

    asked by Sandhya on December 5, 2008
  47. Physics

    A child's game consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp. By compressing the spring, the child can launch the ball up the ramp. The spring has a spring constant k, the

    asked by rachel on November 7, 2008
  48. AP CHEM

    An ice cube tray contains enough water at 22.0 C to make 18 ice cubes that each have a mass of 30.0g. The tray is placed in a freezer that uses CF2CL2 as a refridgerant. The heat of vap of CF2CL2 is 158 J/g. What mass of CF@CL2 must be vaporized in the

    asked by Jake on January 2, 2008
  49. chem

    A 4.55L sample of water contains .115g of sodium ions. Determine the concentration of sodium ions in ppm if the density of the solutions is 1.00g/mL. Ok so ppm=mass of solute/mass of solution *10^-6 so we have the mass of the solute .115g and for the

    asked by natash on May 9, 2008
  50. Chem II

    Calculate the pH of the solution made by mixing 35.0 mL of 0.500 M ca(OH)2 with 45.0 mL of 0.710 MHCl

    asked by Ken on April 16, 2008
  51. chemisty

    Calculate the density of oxygen,O2 , under each of the following conditions: 1- STP 2- 1.00 atm and 35.0 C

    asked by unknown on October 8, 2008
  52. pre calc

    suppose you have 102m of fencing to make two side by side rectangles, making one large rectangle when put together. What is the maxium area that you can enclose?

    asked by Kate on January 20, 2008
  53. calculus

    You are designing a rectangular poster to contain 256 in^2 of printing with a 3-in. margin at the top and bottom and a 2-in. margin at each side. What overall dimensions will minimize the amount of paper used?

    asked by Anonymous on March 2, 2008
  54. calculus

    A woman 5.5 ft tall walks at a rate of 6 ft/sec toward a streetlight that is 22 ft above the ground. At what rate is the length of her shadow changing when she is 15 ft from the base of the light?

    asked by Anonymous on March 2, 2008
  55. chemistry

    A gaseous mixture of O2 and N2 contains 34.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 465 mmHg?

    asked by Anonymous on October 13, 2008
  56. help plzzz


    asked by jessica on December 3, 2008
  57. math

    First grade math Tell the Rule? Group 1 3 flowers w/4 petals each Group 2 3 flowers w/five petals each in triangle?

    asked by corey on January 17, 2008
  58. Uniform Motion

    It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every

    asked by Sun on September 26, 2008
  59. Physics

    What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I am confused on the n's and I have no idea what

    asked by J on April 21, 2008
  60. Math

    What might you have if you don't feel well?

    asked by Ben on April 22, 2008
  61. Chemistry

    If it takes three "breaths" to blow up a balloon to 1.2 , and each breath supplies the balloon with 0.060 moles of exhaled air, how many moles of air are in a 3.0 balloon. Express your answer in moles using two significant figures Would the answer be 0.38

    asked by George on September 17, 2008
  62. Chemistry

    What is the name of the product formed by the reaction of propylide ion and 2-chloropropane? I'm having problem because I don't know the formula of propylide ion.

    asked by Jennifer on June 5, 2008
  63. physics

    Two blocks are pushed along a horizontal frictionless surface by a force of 20 newtons to the right. The force acts on the 3 kg block, which in turn pushes the 2kg block sitting next to it. The force that the 2-kilogram block exerts on the 3-kilogram block

    asked by Hannah on January 20, 2008
  64. chemistry

    Write a Lewis structure of OSF4 in which the formal charges of all atoms are zero

    asked by mandy on November 14, 2008
  65. chem

    For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4Al(s)+3O2 (g)-->2Al2O3 (s) 4 mol Al 2.6 mol O2

    asked by natash on October 1, 2008
  66. Math - I really need help, please.

    A town has a population of 8400 i 1990. Fifteen years later, it's population grew to 12500. Determine the average annual growth rate of this town's population. I really don't understand this problem. I've been going at it for hours and all I've come to is

    asked by Lacey on November 2, 2008
  67. Physics

    How long does it take a 19 kW steam engine to do 6.8x10^7 of work? I have no idea how to solve this... Would someone please help?

    asked by Cassidy on January 29, 2008
  68. Self-Taught Mathematicians

    Those of us who love math certainly know two basic facts about Mr. Gottfried Wilhelm Leibniz: (1) He and Newton (our calculus guy) did not get along AND (2) Mr. Leibniz was a self-taught mathematician My question is for all tutors here who love math. What

    asked by Guido on February 22, 2008
  69. Chemistry

    For a reaction between sodium phosphate and strontium nitrate write out the following: a) The balanced molecular equation b) The ionic equation c) The net ionic equation a) I think I have this one: 2 Na3PO4 (aq) + 3 Sr(NO3)2 (aq) --> 6 NaNO3 (aq) +

    asked by Donna on May 14, 2008
  70. Chemistry

    For each substance, write the formula(s) of all species you expect to be present in aqueous solution in the first column. If there are significant minor species, write their formulas in the last column. If the substance is only slightly soluble, use the

    asked by Anonymous on June 30, 2008
  71. chemistry

    determine the vapor pressure of a solution at 55 degrees C that contains 34.2g NaCl in 375 mL of water. The vapor pressure of pure water at 55 degrees C is 118.1 torr. so Psolution=XsolventPsolvent I don't know why I'm not getting the correct answer... so

    asked by natash on May 11, 2008
  72. physics

    Hey can someone help with this. A movie stuntwoman drops from a helicopter that is 30.0 m above the ground and moving with a constant velocity whose components are 10.0 m/s upward and 15.0 m/s horizontal and toward the south. You can ignore air resistance.

    asked by Mel on September 26, 2008
  73. Physics

    Adolf and Ed are wearing harnesses and are hanging from the ceiling by means of ropes attached to them. They are face to face and push off against one another. Adolf has a mass of 127 kg, and Ed has a mass of 65 kg. Following the push, Adolf swings upward

    asked by Z on October 29, 2008
  74. chemistry

    Write both the complete electron-configuration notation and the noble-gas notation for each of the elements below a. Na b. Sr c. P

    asked by jerson on May 18, 2008
  75. chemistry

    Identify the true statement(s) regarding the entropy of chemical substances. a. All pure substances have a positive entropy at room temperature. b. The dissolution of an ionic salt in water usually leads to an increase in entropy of the system (salt +

    asked by Anonymous on November 23, 2008
  76. Physics

    A child's toy consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp. (Intro 1 figure) The spring has a spring constant k, the ball has a mass m, and the ramp rises a height y above

    asked by Sam on October 31, 2008
  77. algebra with pizzazzi

    Do Elephants know how to gamble

    asked by lizzy on December 5, 2008
  78. Physics

    Two students walk in the same direction along a straight path, at a constant speed - one at .90 m/s and the other at 1.90 m/s. a.) assuming that they start at the same point ant the same time, how much sooner does the faster arrive at a destination 780 m

    asked by Margie on August 31, 2008
  79. Chemistry Please helpppp

    Molecular Orbitals 1.Which of the following diatomic species are paramagnetic and which are diamagnetic? a.C2^2+ b.B2^2- c.Li2^- 2.Arrange the following in order of decreasing stability. a.F2 b.F2^- c.F2+ I know that as you go to higher subshells like from

    asked by Saira on November 20, 2008
  80. Economics

    . Consider total cost and total revenue given in the table below: QUANTITY 0 1 2 3 4 5 6 7 Total cost $8 $9 $10 $11 $13 $19 $27 $37 Total revenue 0 8 16 24 32 40 48 56 a. Calculate profit for each quantity. How much should the firm produce to maximize

    asked by SMsm on June 7, 2008
  81. Chemistry

    Given the thermodynamic data in the table below, calculate the equilibrium constant for the reaction: 2SO2(g)+O2--> 2SO3 Substance (DeltaH^o) (Delat S^o) SO2 -297 249 O2 0 205 SO3 -395 256 Answer (it was given) 2.32x10^24 Even though the answer is given

    asked by Sara on March 16, 2008
  82. math

    what is the answer to whaat kind of shoes does a frog wear? on page 165 on algebra with pizzazz

    asked by ashlee on October 20, 2008
  83. chem

    should atmospheric pressure increase or decrease as one goes from the beach to the mountains? why?

    asked by Tabby on October 21, 2008
  84. English

    Hi, I'm in need of some help with the poem "Marvell's garden" by Phyllis Web. I'm stuck on what the tone of the poem? and having trouble interpreting the first two stanzas.

    asked by Danielle on February 1, 2008
  85. physics (sorry about all of these!)

    A satellite moves in a stable circular orbit with speed Vo at a distance R from the center of a planet. For this satellite to move in a stable circular orbit a distance 2R from the center of the planet, the speed of the satellite must be?? I said that

    asked by Hannah on January 20, 2008
  86. math riddle ALGEBRA WITH PIZZAZZ

    What did the Spanish Farmer say to his chicken?

    asked by Bella on September 14, 2008
  87. English expression

    1. He is of medium height. 2. He is of average weight. 3. He has medium height. 4. He has average weight. 5. He has long curved hair. 6. She has short straight blond hair. 7. She has medium-length wavy blonde hair ----------------------------------- Are

    asked by John on March 23, 2008
  88. physics

    A 1175 kg car carrying four 82 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude when its speed is 24 km/h. The car now stops,

    asked by johnny on December 11, 2008
  89. science

    Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3:1. If the allele are designated (R & r) respectively, what is the probable genotypes of the wrinkled seeds which were produced

    asked by Andrea on February 15, 2008
  90. Physics (check)

    A merchant in Katmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether or not you got a bargain, so you lower the statue into a measuring cup and measure its volume. What volume will verify that it's

    asked by Emily on May 18, 2008
  91. chem

    draw the lewis structure for NO2- including any valid resonance structures. which of the following statements are true? a. the nitrite ion contains 2 N-O bonds that are equivalent to 1 1/2 bonds. b. the nitrite ion contains 2 N=O double bonds c. the

    asked by natash on May 1, 2008
  92. Chemistry

    is KAl(SO4)2 12H2O hygroscopic, deliquescent, or efflorescent?

    asked by ben on October 30, 2008
  93. Maths

    Principal - 6000 Rate - 5% Effective Date - May 15 Maturity Date - November 1 Partial Payment Amount - $1500 Partial Payment Date -August 15 Also Answer the following questions: 1. NUMBER OF DAYS BETWEEN EFFECTIVE DATE AND PARTIAL PAYMENT = 2. INTEREST ON

    asked by Kim on March 10, 2008
  94. Chemistry DrBob

    This is what i posted up a while back... i got to a using 0.520= a (.202M) and got a= 2.57 but now i don't know where to go from there with the ICE The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M

    asked by Amy on April 12, 2008
  95. Science

    The number of moles of H2O produced in reaction of 50ml 1.0 M HCl and 50mL 1.0 M Naoh

    asked by Amanda on June 24, 2008
  96. Biology

    How did Mendel's novel approach contribute to his success in describing how traits are inherited?

    asked by Noah on February 1, 2008
  97. college physics

    three carts of masses 4.0kg, 10kg, and 3.0kg move on a frictionless horizontal track with speeds of 5.0m/s, 3.0m/s, and 4.0m/s. The carts stick together after colliding. find the velocity of the three carts.

    asked by sarah on June 1, 2008
  98. science

    Two stones are launched from the top of a tall building. One stone is thrown in a direction 30.0degree above the horizontal with a speed of 10.0m/s ; the other is thrown in a direction 30.0degree below the horizontal with the same speed. Which stone lands

    asked by bob on September 8, 2008
  99. Physics

    A truck driver slams on the brakes and skids to a stop through a displacement of delta x. (a) IF the truck has twice the mass, by what factor does the stopping distance change? 1) 0.25 or 2) 1 or 3) 4 (b) If the initial velocity of the truck were halved,

    asked by John on February 25, 2008
  100. Physics

    Medical x rays are taken with electromagnetic waves having a wavelength around .1 nm. What are the frequency, period, and wave number of such waves? ok I got the frequency as 3 * 10^18 Hz and the wave number as 6.3 *10^10 rad/m but I can't seem to remember

    asked by J on March 31, 2008