Questions Asked on
October 18, 2008

  1. Chemistry

    True or False? a) wet metallic copper can be rinsed with acetone to help any remaining cation to metal reduction occur b)copper metal is readily oxidized by nitric acid to yield copper(II) nitrate

    asked by Anonymous
  2. spanish

    hi, I'm having trouble differenciating between direct object pronouns and indirect object pronouns. To say: "bears scare me" is that direct object pronoun? So it would be "los osos me asustan"? To say: "they(bears) scare them" is that still direct obj.

    asked by zak
  3. English

    what is [science of life] or [ayurveda]

    asked by nirav
  4. Computer Games

    Very honestly give me a site from where i can free download GTA 4 full version?

    asked by Akashdeep Singh
  5. Computer Games

    Very honestly give me a site from where i can free download full version games not small kid games like pinball not that i am talking about lika nfs prostreet, fifa 09, cricket 09, harry potter games like that

    asked by Akashdeep Singh
  6. 7th grade

    why do Bangladeshis love the moon?

    asked by naim
  7. physics help please 1!!

    A 1.27 kg hoop with a radius of 10.0 cm rolls without slipping and has a linear speed of 1.32 m/s. Find the rotational kinetic energy. Find the total kinetic energy of the hoop.

    asked by kelsey
  8. physics help 2!!

    When a pitcher throws a curve ball, the ball is given a fairly rapid spin. A 0.15 kg baseball with a radius of 3.7 cm is thrown with a linear speed of 41 m/s and an angular speed of 37 rad/s. Assume that the ball is a uniform, solid sphere. Calculate how

    asked by kelsey
  9. physics help 3 please!!

    A 2.0 kg cylinder (radius = 0.08 m, length = 0.50 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.77 m high and 5.0 m long. (a) When the cylinder reaches the bottom of the ramp, what is its total kinetic

    asked by kelsey
  10. physics help 4 please!

    A solid disk (mass = 1 kg, R=0.5 m) is rolling across a table with a translational speed of 9 m/s. a.) What must the angular speed of the disk be? ? rad/s b.) What is the rotational KE of the disk? ? J c.) What is the total KE of the disk? ? J d.) The disk

    asked by kelsey
  11. Debating

    i reallyy need helpp and sites with information on this question and im on the negtive side so im finding it pretty hard to find information on the question. Modern media is more manipulative than informative? plesee can anyone help.

    asked by hays
  12. economics

    Typically, roads in Canada are built, maintained,and operated at public expense. recently, high way 407 north of Toronto was sold to a private firm, which now charges motorists a toll to use it, should more roads be privately owned and operated in this

    asked by Anonymous
  13. freazer school

    my mom give me 5 dollar . then i spent 2 dollar now how much i have?

    asked by amber
  14. math

    what does repeated multipcation and what is a number when multipied by itself gives the number plz help i need answers for monday

    asked by stacey
  15. science

    what is the most important number on the thermometer

    asked by jil
  16. science

    Name 3 ways to find out about the weather in our area.choose which one is the best for finding the information right away.choose which one is the best for predicting weather in future

    asked by jil
  17. 4th grade-science

    what is the connection between air pressure and the weather.show it also with a diagram

    asked by jil
  18. english

    Can anyone help me plz…..actually I got to make my own story but I m not getting to start that …..my story is something like…..there is a boy and a gal there are brother and sister…..and whatever is goin to be said is he thing that has happened 3

    asked by Anonymous
  19. French I

    What would be the proper way to say "I got my wisdom teeth out" I know wisdom teeth are called dents de sagesse, but I don't know how you would say the whole phrase in French

    asked by Sarah
  20. science-grade 4

    what is the most important number on the scale(regarding a thermometer that shows the weather forecast)

    asked by jil
  21. helpme...............help

    can any one tal me what is S&P....and exactly but how much it means in $

    asked by Anonymous
  22. physics

    A ball is thrown with a horizontal velocity of 2 m/s from a vertical height of 50 m above ground. neglect air resistance and determine: the horizontal displacement traveled by the ball. can someone please explain this to me!

    asked by Karen
  23. health and huma services

    Can someone please help I am having problems with this assignment? The Miami Cuban-American Service Center was founded in 1962 as a place for older Cuban Americans to meet and socialize. Over the years the agency became increasingly involved in providing

    asked by Ree
  24. physics

    Hi, can someone please help with this question. A thin, uniform rod is bent into a square of side length a. If the total mass is M, find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the

    asked by Mary
  25. English

    In the book HitchHikers Guide to the Galaxy, what are good examples of where the reader might feel curiosity and sympathy? Thank you.

    asked by Achilles
  26. Honors Biology

    What does it mean when you compare and contrast the characteristics of density-dependent and density-independent?

    asked by Randy
  27. Algebra

    Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me

    asked by Laura
  28. music

    Can someone tell me the lyrics for "That Lucky Old Sun" by Gillespie and Smith? Need to identify main idea of the song with supporting details using specific examples from the song.

    asked by elaine
  29. math

    you can only use 8, 1, 4, 3, 7. digts only appear once in an answer the product of two 2-digit numbers, plus a number is 3,355 what are the numbers?

    asked by chidera
  30. 10th grade

    how does steinbeck prapare the reader for curleys wifes death by leenie

    asked by pari
  31. 3rd grade music

    In "The Lucky Old Sun" by Gillespie and Smith, thank you for lyrics Ms Sue, but what is the main idea of the song? Someone who is fed up with life, work, family? All they want to do is nothing? Not sure, please help. Thanks.

    asked by elaine
  32. Maths

    Transform the following relationships/funtions into linear form and identify expressions for the x and y variables. a) (x^2/a^2) + (y^2/b^2) = 1 where a and b are constants. b) k(T) = (kT/h)exp((deltaS)/R)exp(-(deltaH)/RT) where k, deltaS, deltaH and R are

    asked by Alice
  33. it 220

    Locate two Web sites that utilize a mixed structure, and list their URLs.

    asked by sam
  34. science

    what causes volcanoes in the Pacific Ocean basin?It is called the ring of fire.

    asked by CIERRA
  35. Math

    Graph line containing the given pair of points and find the slope. (5,1) (-4,-2)

    asked by Jessica
  36. broken arrow

    2x + Y = 1300

    asked by ken
  37. Math

    Solve by using Elimination method. 5r-6s=29 6r+5s=47

    asked by Amy
  38. Math

    One three consecutive passes, a football team gains 5 yards, loses 11 yards, and gains 16 yards. What is the total net yardage?

    asked by Anmy
  39. ENGLISH

    In what ways are full-sentence outlines more beneficial than topic outlines? If someone asked, “Wouldn’t it be simpler just to write your paper than to create a full-sentence outline?” how would you answer? Explain your response. What steps will you

    asked by Axia
  40. chemistry

    An element M forms an ion of M^3+. The atom and the ion have the same: a) radius b)number of electrons c)ionizaton energy d)nuclear charge e)chemical properties

    asked by carmin
  41. PHYSICS

    Two bullets have masses of 3.4 g and 8.1 g, respectively. Each is fired with a speed of 44.0 m/s. a) What is the kinetic energy of the first bullet? Answer in units of J. 009 (part 2 of 3) 10.0 points b) What is the kinetic energy of the second bullet?

    asked by billy
  42. English

    Analyze the childhood world of Jem, Scout, and Dill and their relationship with Boo Radley in Part One? Help me?

    asked by Kelly
  43. AP U.S History

    Can someone please explain what Federalism is? I don't quite get it yet. Please be specific.

    asked by Chloe
  44. math

    x+2=5

    asked by Anonymous
  45. R.E and History

    Please can someone tell me How many men are in a cohort? (thats my History question) R.E Question now: What items does an Orthodox Jewish man wear? Thanks

    asked by Chanel
  46. PHYSICS!!

    A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a

    asked by billy
  47. chemistry

    use the Rydberg equation to calculate the wavelength (in A) of the photon absorbed when a hydrogen atom undergoes a transition from n=1 to n=3.

    asked by kelsie
  48. college

    What is modern moral and political philosophy?

    asked by Sara
  49. Statistics

    Question 1 Use the following research question and data for questions 1 - 6. A researcher is examining the effects of a computer-based training program designed to teach algebra. The researcher randomly selects subjects for two groups and gives one group

    asked by J
  50. health care cost

    Impact of Healthcare Cost on Service Delivery would be like stem cell research and other new technologies coming out for patients correct? If I am wrong please get me on the right track. thanks

    asked by april
  51. COM 220

    what is the benefits of receiving a peer review? what benefit does the peer reviewer gain from their paper? what are some of the drawbacks to peer reviewing? what other methods can you use to provide effective peer feedback?

    asked by Aulease
  52. chemistry

    Consider a light-sensitive reaction. What energy, in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 307kJ/mol?

    asked by kelsie
  53. R.E

    What is the name of a famous Hindu leader?

    asked by Chanel
  54. english

    what type of sentence is this, "When the musher feels confident, we will ask her to leave, and she can begin her journey" ? Complex,simple,compound,or compound-complex sentence?

    asked by dana
  55. Physics

    were are doing free fall right now in the class the question is A worker drops a wrench form the top of a tower 80.0m tall. What is the velocity when the wrench strikes the ground? I know that the change of distance 80.0m I know aceleration of free fall is

    asked by Anonymous
  56. english

    How does "language represent you"? "language" as in the way you dress, speak, walk, smile, etc..

    asked by lana
  57. english

    Which change, if any, should be made to this sentence? "Though more snow is expected, she can make it through, and she'll deliver the supplies." Delete both commas,change commas to semicolons, or make no change.

    asked by dana
  58. math

    how can I make a factorization string for the number 48?

    asked by enia
  59. PHYSICS : )

    A flight attendant pulls her 69.1 N flight bag a distance of 280 m along a level airport floor at a constant velocity. The force she exerts is 32.7 N at an angle of 50.2◦ above the horizontal. Find the work done by the force of friction on the flight

    asked by Jay
  60. 11th grade

    Why do we need to polish magnesium before using it in an experiment?

    asked by Kace
  61. english

    Please sugest conjunctions and/or commas where needed in this sentence. "The Iditarod is a famous dogsled race_____ takes place every year _____ it stretches more than 1,150 miles.

    asked by dana
  62. college

    6. Who constitutes the “New Class”? How does the New Class differ from more traditional elites in its political attitudes? How do you explain the attitudes of the New Class? Are its members “enlightened” by higher education? Do they have class

    asked by Anonymous
  63. AP U.S History

    Are there any AP U.S History websites that explain the chapters in the American Pageant 13th edition book? I've been to certain websites but all they've done is outline the chapters from that book. I'm looking for a site that can teach me what happens in

    asked by Anonymous
  64. government

    Long ago, James Prothro and Charles Grigg discovered a problem with the views of Americans on democratic values. The general public manifest opinions that are often contrary to basic values essential to sustain a democratic government. Political elites are

    asked by elley
  65. government

    Information is the primary tactic employed by interest groups. For example, a study by John Deakin revealed that 40% of the legislation introduced into Congress was written either entirely or in part by interest groups. Why would members of Congress

    asked by Anonymous
  66. government

    Consider each of the following features of congress (including some that may no longer apply) and discuss the policy implications of each. Does each: (a) lead to more or less logical and coherent policies? (b) Lead to more or less representation of various

    asked by Anonymous
  67. math

    find the number of distinguishable permuations in the word mississippi then the word hippopotamus

    asked by kendal
  68. physics

    the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why?

    asked by Tiffany
  69. psychology

    1) What is The "why" of behavior most of the time referred to as? 2) What is the psychological consequemce of the state of deprivation called? 3) The psychological state of deprivation which an individual may experience and which may incite him to action

    asked by Katia
  70. math

    a book club assigns to each member a membership number that consists of 2 letters followed by 4 numbers. how many different membership numbers are possible. tne membership numbers look like XXxxxx where X are letters and x are letters.

    asked by joey
  71. chem

    Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq)-> Zn(aq) + H2(g) a sample of zinc is placed in a ice calorimeter. If 0.0657g of zinc causes a decrease of 0.109ml in the ice/water volume of the calorimeter, what is the enthalpy

    asked by tomi
  72. english essay

    hi. Can someoene please help me with an essay. I have to write an essay comparing John Mayer's song belief and the Crucible by Arthur miller. I know the crucible but I just don't understand the meaning behind belief. can someone please help me find a

    asked by adam
  73. Need some clarification...... plzz

    I am having a bit of trouble answering this question.... DO you mind giving a brief explanation of what it means and, if possible, some hints on possible answers? In what ways did the indigenous societies and the revolution in Haiti overcome or challenge

    asked by Martha
  74. math

    determine the number of combinations of 7 out of 10 items. and then determine the number of combinations of 4 out of 7 items.

    asked by howard
  75. US History

    Why Jefferson believed Classical Revival was a more appropriate style than Georgian for public buildings in the new United States?

    asked by Vania
  76. math

    in a high school there are 27 hockey players and 15 soccer players. if 8 persons played both sports, how many different people played in these sports.

    asked by olivia
  77. college

    Were prehistoric people capable of abstract thought, art and spirituality?

    asked by Lady Don
  78. math

    what is 121 divided by 4(8 - 2)!

    asked by bria
  79. DRWLS

    the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why? I would say yes, the discrepancy is probably significant, because the measurements should agree to

    asked by Tiffany
  80. math

    in a school of 100 students, 59 are taking math, 51 are in english, 35 are in history, 24 are in both math and english, 19 are in both english and history, 13 in both math and history, and 11 in all three courses. how many students are taking: a) none of

    asked by elisa
  81. math

    find the number of permutations of 5 out of 9. then find 6 out of 6

    asked by amal
  82. math

    how many 7 digit numbers can be formed with the numbers 1, 2, 4, 7. (they are in brackets). the question wants two parts. (a) if the numbers can be repeared and (b) if repetation is not allowed

    asked by ken
  83. Finance (Coupon Bonds)

    I am having a hard time starting on how to calculate this please. You purchased a $1,000 five percent coupon bond that matures in 10 years. How much would your bond be worth if interest rates fall to 4% the day after you purchase the bond? What would the

    asked by Kelly
  84. 9th grade- ART

    What are the good and bad uses of clay?

    asked by Sam
  85. math

    if a rectangle has 8ft base and a 3ft heignt, how nuch must eh heignt be incresed to make a new area of 56 sq. ft.? Hint:let the new height be x plus the old height

    asked by jessica
  86. elementary

    describe ancient greek culture

    asked by Anonymous
  87. math

    four times the difference of a number decresed by 3 is equal to 8 more than the product of 3 and the number.find the number.

    asked by jessica
  88. math

    You are having a party. How much giner ale should be added to vodka(let's say 100% alcohol) in order to obtaoin 5 qyarts of 40% alcohol beverage?

    asked by jessica
  89. math

    Adult tickets to a show cost $3.50 and children's tickets cost $1.50. Twice as many adult tickets as children's tickets are sold. if the total receipts for the show were $510, how many of eacy type of tickets were sold?

    asked by jessica
  90. PHYSICS

    A 58.3 kg diver steps o a diving board and drops straight down into the water. The water provides an average net force of resistance of 1596 N to the diver’s fall. The acceleration of gravity is 9.81 m/s2 . If the diver comes to rest 4.7 m below the

    asked by MIKE HUNT
  91. Math

    What is a perimeter?

    asked by jkajd
  92. math

    what is the number of distinguishable permutations of the word hippopotamus?

    asked by kendal
  93. english

    as if he was a statue: is it a metaphor or a simile

    asked by Anonymous
  94. Chemistry

    The specific heat of copper metal was determined by putting a piece of the metal weighing 33.6 g in hot water. The quantity of heat absorbed by the metal was calculated to be 47 J from the temperature drop of the water. What was the specific heat of the

    asked by Glenna
  95. Chemistry

    Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is the following. H2(g) + O2(g) H2O2(l) Calculate the enthalpy change using the following data.

    asked by Glenna
  96. Chemistry

    With a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) ÄH = -906 kJ What is the enthalpy change for the following reaction? NO(g) + 3/2 H2O(g) NH3(g) + 5/4 O2(g)

    asked by Glenna
  97. Chemistry

    Acetic acid, HC2H3O2, is the sour constituent of vinegar (acetum is Latin for "vinegar" ). In an experiment, 3.76 g of acetic acid was burned. HC2H3O2(l) + 2 O2(g) 2 CO2(g) + 2 H2O(l) If 54.6 kJ of heat evolved, what is ÄH per mole of acetic acid?

    asked by Glenna
  98. Chemistry

    Calcium oxide (quicklime) reacts with water to produce calcium hydroxide (slaked lime). CaO(s) + H2O(l) Ca(OH)2(s) ÄH = -65.2 kJ The heat released by this reaction is sufficient to ignite paper. How much heat is released when 29.0 g of calcium oxide

    asked by Glenna
  99. Chemistry

    When 20.8 g of calcium chloride, CaCl2, was dissolved in water in a calorimeter, the temperature rose from 25.0°C to 37.1°C. If the heat capacity of the solution and the calorimeter is 1258 J/°C, what is the enthalpy change when 1 mol of calcium

    asked by Glenna
  100. Science

    The specific heat of copper metal was determined by putting a piece of the metal weighing 33.6 g in hot water. The quantity of heat absorbed by the metal was calculated to be 47 J from the temperature drop of the water. What was the specific heat of the

    asked by Brittany
  101. SCIENCE .

    why conserving energy is important? What can each person do to conserve energy and help the environment at the sametime? (Provide at least three methods) How can the government be involved in conservation efforts?

    asked by scooby91320002
  102. physics please help.

    how do you measure uncertainy?? for instance.. if the average was .15 and the highest value among the data was .16 and the lowest is .13... how do you find the +-??

    asked by Tiffany
  103. physics uncertainty

    experiment times: .15, .13, .16, .14, .15, .14, .15, .14 so i found the average to be .15 and the highest value was .16 the lowest value was .13 so what is the uncertainty? (in other words... .15 plus or minus what number?) please explain. thanks

    asked by Tiffany
  104. Math

    In 1994, the life expectancy of males in a certain country was 67.8 years. In 2000, it was 70.6 years. Let E represent the life expectancy in year t and let t represent the number of years since 1994. The linear function E(t)that fits the data is

    asked by Amy
  105. Math

    Amy paid $84.46 for a pair of running shoes during a 25% off sale. What was the regular price? Round to the nearest cent?

    asked by Jessica
  106. English

    What are things most people do not notice? Please and thank you!

    asked by Karen
  107. Pre Calculus

    please explain the process of finding the complex zeros of f(x)=x^4+5x^2+4.

    asked by Lia