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. math

    what can you use to tie up a spaceship

    asked by Anonymous on April 17, 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. 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
  6. Chemistry: please double check...

    Please double check one last time have to hand it in tomorrow.Thank-You in Advance. This was the lab experiment: ------------------------------------------- A. Standardization of the Sodium Thiosulfate Solution Make up a standard solution of potassium

    asked by Saira on October 27, 2008
  7. 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
  8. 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
  9. 3rd grade

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

    asked by cook on November 12, 2008
  10. 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
  11. Math -- Algebra

    Why Are Mr. and Mrs. Number so Happy?

    asked by Sarah on April 22, 2008
  12. Math

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

    asked by JC on October 26, 2008
  13. Math

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

    asked by Lori on February 11, 2008
  14. 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
  15. Algebra

    How Does a Rodeo Star Get Around

    asked by Anonymous on November 9, 2008
  16. 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
  17. 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
  18. Random

    Does anyone know anything about first cash advance?

    asked by Anonymous on October 30, 2008
  19. 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
  20. 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
  21. english

    asking help for a reading report

    asked by jeian on October 3, 2008
  22. 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
  23. 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
  24. alg 2 review

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

    asked by jared on June 21, 2008
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. algebra

    what do you call it when somebody spends 20 years in the 24th row of a theater

    asked by Anonymous on February 19, 2008
  34. 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
  35. 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
  36. 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

    Calculate the power output of a 1.3-g fly as it walks straight up a windowpane at 2.5 cm/s

    asked by Lizbeth on April 10, 2008
  38. algebra with pizzazzi

    Do Elephants know how to gamble

    asked by lizzy on December 5, 2008
  39. 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
  40. 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
  41. 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
  42. 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
  43. history

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

    asked by Anonymous on May 22, 2008
  44. 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
  45. Mathematics!

    Yolanda and Yoko ran in a 100-yd dash. When Yolanda crossed the finish line, Yoko was ten yd behind her. The girls then repeated the race, with Yolanda starting 10 yd behing the starting line. If each girl ran at the same rate as before, who won the race?

    asked by shivangi on January 8, 2008
  46. help plzzz


    asked by jessica on December 3, 2008
  47. 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
  48. 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
  49. 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
  50. 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
  51. Statistics / Math

    A tourist in Ireland wants to visit seven different cities. If the route is randomly selected, what is the probability that the tourist will visit the cities in alphabetical order?

    asked by Sam on February 26, 2008
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. Chemistry

    Which two solutions, when mixed together, will undergo a double replacement reaction and form a white, solid substance? 1. NaCl(aq) and LiNO3(aq) 2. KCl(aq) and AgNO3(aq) 3. KCl(aq) and LiCL(aq) 4. NaNO3(aq) and AgNO3(aq) I know the answers 2 but I have no

    asked by TJ on January 23, 2008
  60. 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
  61. 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
  62. 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
  63. 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
  64. math riddle ALGEBRA WITH PIZZAZZ

    What did the Spanish Farmer say to his chicken?

    asked by Bella on September 14, 2008
  65. Chemistry

    Write the molecular equation and the net ionic equation for each of the following aqueous reactions. Ca(NO3)2 + K2CO3 FeSO4 + NaCl NiCl2 + NaBr

    asked by Brittany on September 30, 2008
  66. 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
  67. 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
  68. 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
  69. 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
  70. Math

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

    asked by Ben on April 22, 2008

    i have a tritation lab due tomorrow and i am stumped on a couple things. its a titration lab using sodium hydroxide (NaOH)- 250 mL 0.300 M concentration, 10 mL of an unknown substance of vinegar, the avg. of titrated NaOH in the flask with vinegar is 27.7

    asked by student on December 14, 2008
  72. 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
  73. Trigonometry

    A batter hits a ball with an initial velocity v0 of 100 feet per second at an angle theta to the horizontal. An outfielder catches the ball 200 feet from home plate. Find theta if the range of a projectile is given by the formula R=1/32v0 squared times sin

    asked by Anonymous on February 20, 2008
  74. Chemistry

    A. The forensic technician at a crime scene has just prepared a luminol stock solution by adding 13.0 g of luminol into a total volume of 75.0 mL of H2O. -What is the molarity of the stock solution of luminol? B. Before investigating the scene, the

    asked by Irvin on October 12, 2008
  75. 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
  76. 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
  77. physics EM

    You have a 0.600-m-long copper wire. You want to make an N-turn current loop that generates a 1.30 mT magnetic field at the center when the current is 0.600 A. You must use the entire wire. What will be the diameter of your coil? this doesnt seem that hard

    asked by Spencer on March 31, 2008
  78. 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
  79. 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
  80. FRENCH... yeah....

    I have homework on the song, je realise by sinik, and it asks me what do i feel when i listen to this, and i only have 2 feelings, and i need 2 more... also it says why do u feel these feelings. go to h t t p : / / y o u t u b e . c o m / w a t c h ? v = 9

    asked by hello pplz on April 5, 2008
  81. 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
  82. 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
  83. 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
  84. chemistry

    For each of the following chemical reactions: a.)classify the reaction as combination, decomposition,single replacement, or double replacement. b.)complete the word equation. c.)using the formulas for both reactants and products, balance the chemical

    asked by Yeah on September 23, 2008
  85. 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
  86. AP Chem

    I know this might sound easy... but i need these problems for bonus and i want to make sure they are right Silver nitrate reacts with strontium chloride in an aqueous precipitation reaction. What are the formulas of silver nitrate and strontium chloride?

    asked by Anna-Marie on October 27, 2008
  87. chem

    choose the compound below that contains at least one polar covalent bond, but is nonpolar a. ICl3 b SeBr4 c. CF4 d. HCN Im stuck between C and D C is a tetrahedral which has no net dipole so is non polar, and D is linear which also makes it non polar.

    asked by natash on May 1, 2008
  88. math

    you want to draw an enlargement of a design that is printed on a card that is 4 in. 5 in. you will be drawing this on a piece of paper that is 8 1/2 in. by 11 in. what are the dimensions of the largest complete enlargement you can make??? plz include

    asked by asha on December 9, 2008
  89. 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
  90. Chem II

    Whih of the following liquids would make a good solvent for iodine? HCl H2O CH3OH NH3 CS2 How do you determine what will make a good solvent for something

    asked by Ken on June 4, 2008
  91. 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
  92. Chemistry

    A 522g piece of copper tubing is heated to 89.5C and placed in an insulated vessel containing 159g of water at 22.8C. Assuming no loss of water and a heat capacity for the vessel of 10.0J/K, what is the final temperature of the system ( c of copper = 0.387

    asked by Ray on November 11, 2008
  93. physics

    The radius of the Earth is approximately 6000 km. The acceleration of an astronaut in a perfectly circular orbit 300 km above the Earth would be most nearly. For this question I simply guessed. I knew "a" was 9.8 on the surface, and my answers were 0,

    asked by Hannah on January 20, 2008
  94. Chemistry

    i tried to do like dis plz chk is it rite or wrong. [2(4(327) + 495 ]- [ 2(4(327) + 523 ] = -28 Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies

    asked by Chem Help on November 13, 2008
  95. physics

    Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown below. The assembly is rotated about an axis that passes through the end of one rod and is parallel to another. Determine the moment of inertia of this

    asked by sara on November 6, 2008
  96. 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
  97. Walquist

    Geometry question. a Math riddle. What does a cat need to play baseball?

    asked by Jim on December 8, 2008
  98. Chemistry

    If a copper sample containing some zinc impurity is to be purified by electrolysis, the anode and the cathode must be which of the following? a. anode: pure copper cathode: pure zinc b. anode: pure zinc cathode: pure copper c. anode: pure copper cathode:

    asked by John on April 14, 2008
  99. 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
  100. Math

    What happens to the man who carries an ax in his teeth?

    asked by Sarah on November 4, 2008