Barbie

Most popular questions and responses by Barbie
  1. Geometry

    52. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______

    asked on January 9, 2015
  2. Chem

    Consider a salt of the composition, A2B3. For this salt, pKsp=82.55. What is the logarithm of the molar concentrtion of this salt? I'm really at a loss of where to begin. We didn't have any examples like this in class. Thanks!

    asked on February 27, 2008
  3. chemist ry

    if 500 g of KCLO3 decomposes and produces 303 g of KCL, how many grams of O2 are produced?

    asked on November 7, 2009
  4. Organic Chemistry

    1)1-cholorbutane 2)1-bromobutane 3)2-chloro-2-methylpropane 4)chlorobenzene 5)3-chloropropene 6)Benzyl chloride 7)allyl bromide 1. Compare Sn1 vs. Sn2 for the different halides used in this experiment. a)What type of halide is each of these; alkyl, vinyl,

    asked on December 7, 2008
  5. Oranic Chemistry

    2. Arrange the compounds of each set in order of reactivity toward an Sn2 reaction. a)t-butyl chloride, 1-chloropropane, 1-chloro-2,2-dimethylpropane, 1-chloro-2-methylpropane b)2-bromopropane, 2-chloropropane, 2-iodopropane

    asked on December 7, 2008
  6. math

    Thomas is playing Tic-Tac-Toe with a computer. It is the computer's turn to place an "x" on the board. If the computer makes its moves at random in the open spaces, what is the chance it will win on this move?

    asked on November 22, 2009
  7. spanish

    Which guaraní word is used to compliment a meal? A. hetereí B. tranquilopa C. jopar!@#$%^&* D. ahata ayu i think its c

    asked on February 7, 2019
  8. Social Studies

    The president of the United States is elected by the electoral college. What type of system is this? a) dicatatorship b) monarchy c) oligarchy d) pure democracy e) representative democracy

    asked on April 30, 2008
  9. us history

    what was captain Mahan's message? How did it influence Lodge and Roosevelt?-

    asked on October 22, 2013
  10. Literature

    In Act 5 of "The Tempest", why didn't Prospero tell Alonso about Antonio and Sebastian's plans to kill him? And because of his decision not to, what adjective would best describe Prospero?

    asked on August 2, 2012
  11. theoretical optics

    A man 1.5meter tall stands in front of a concave mirror whose radius is 30cm. Find the position of the man that will lead to his image on the screen 20 cm. from the mirror. How big is the man's image?

    asked on March 19, 2012
  12. Completing the square

    Please show the procedure for answering this quadratic equation using the completing the square method: x^2+14x+98 I think i understand the basics of the method, but in this particular question I'm finding it hard to use the appropriate factors of 98 - 7

    asked on May 20, 2011
  13. Social Studies

    In ancient Athens(Greece) tribes and generals took turns at power. this is an example of what type of political system? a) dicatatorship b) monarchy c) oligarchy d) pure democracy e) representative democracy

    asked on April 30, 2008
  14. physics

    one car moving on a straight road covers 1/3 of the distance with 20kmph and the rest with 60kmph find th average speed

    asked on May 20, 2012
  15. Geographyy

    Does the Messina Plate (small piece of oceanic crust between the African and Eurasian Plates, near Messina, Italy) still exist after its forced subduction underneath the Eurasian Plate, by the African Plate?

    asked on April 18, 2012
  16. math

    Century is to decade as dollar is to: (a) penny (b) nickel (c) dime (d) quater

    asked on November 21, 2009
  17. social studies

    without our two great political parties cutting across economic and geogaphic interests, democracy as we know it could never have been made to function. "the author of this statement probably meant to suggest that a) an important feature of the us

    asked on February 9, 2009
  18. math

    summer graded 25 math papers in 30 minutes.larry graded 22 papers in 20 minutes.what is the difference in the number of papers they can grade in two hours?

    asked on September 25, 2008
  19. theoretical optics

    Whereb must an object be placed from a concave mirror of radius of curvature of 6cm. to give an image on a screen four times as large as the object

    asked on March 19, 2012
  20. Geography

    How are Rift Valleys formed and which two plates formed the Thingvelir Rift Valley in Iceland? Please help!

    asked on March 1, 2012
  21. English Literature

    Can i please get the analysis of the poem "Horses" by Edwin Muir? This should not, however, be confused with another of his poems "The Horses". Thank you.

    asked on February 21, 2012
  22. catering

    According to your study unit, a catering resource that offers global networking for caterers, mentors, a caterer's telephone hotline, and many marketing opportunities is the A. International Caterers' Association. B. National Restaurant Association. C.

    asked on April 21, 2009
  23. Science

    The Smiths have four children, all girls but the fifth child is a boy. Why did this change occur? a) the law of averages finally catching up b) the conception classes taken by the parents c) the father's contribution of a Y chromosome d) the mother's

    asked on April 30, 2008
  24. Chemistry

    Write a balanced equation assuming iron oxidizes to iron (II). I used CuCl_2 in the experiment.

    asked on October 13, 2016
  25. chemistry

    an ionic bond will most likely form between elements from group_ a/2and3 , b/2and6 , c/3and4 , d/4and5 ,e/5and6

    asked on January 1, 2016
  26. Finace

    Wheel has just paid a dividend of $2.50 per share. The dividends are expected to grow at a constant rate of six percent per year forever. If the stock is currently selling for $50 per share with a 10% flotation cost, what is the cost of new equity for the

    asked on September 15, 2012
  27. English

    Can you say "Had they had an option, they would have picnicked somewhere else"?

    asked on August 12, 2012
  28. Computer Studies

    What happens to a disk when it is formatted?

    asked on April 12, 2012
  29. Science - Physics - Optical Fibres

    What problems are associated with optical fibres?

    asked on October 4, 2010
  30. 11th grade

    how much space does 150 g of mercury occupy

    asked on August 23, 2010
  31. Accounting

    How does one determine variance analysis? I am trying to understand this and my text book is confusing me. Also, to determine this, would one find the the answers in the balance sheet or cash flow statement, or from the revenue and expenses?

    asked on April 30, 2010
  32. social studies

    without our two great political parties cutting across economic and geogaphic interests, democracy as we know it could never have been made to function. "the author of this statement probably meant to suggest that a) an important feature of the us

    asked on February 9, 2009
  33. Chemistry Plz Help!

    How to calculate dimensional analysis using the density and molarity to calculate the percent (w/w)???

    asked on October 17, 2016
  34. Geography

    What is the difference between an Urban Area and an Urban Zone?

    asked on August 11, 2012
  35. french

    Is the Plus-que-parfait tense the same as perfect tense in English?

    asked on August 2, 2012
  36. Geography

    What is a rural settlement and what is an urban settlement?

    asked on July 29, 2012
  37. math

    a bag has 5 silver 3 gold and 2 brass buttons . what is the probability of choosing a silver then a gold button with replacement

    asked on June 15, 2012
  38. English Literature

    Describe Charles Dickens' style of writing. I think includes diction and figures of speech used.

    asked on May 4, 2011
  39. Mathematics (Help? Please. )

    Two parallel lines are cut by a transversal. Angles A and B are adjacent exterior angles. Angle A measures 87 degrees. What does Angle B measure?

    asked on February 27, 2011
  40. Organic Chemistry

    3. Compare Sn1 and Sn2 reactivities of alkyl halides with regard to a)stereochemical outcomes b)an increase in the nucleophilic concetration c)an increase in alkly halide concentration d)an increase in the polarity of the solvent e)rearrangements

    asked on December 7, 2008
  41. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the folloeing objects will accelerate EXCEPT a)a ball striking a wall, in which the force of the ball

    asked on April 30, 2008
  42. maths

    the difference of two numbers is 4 .3 times the smaller number is 4 more than twice the larger number. find the numbers

    asked on August 7, 2017
  43. math

    what is the gcf of 90 and 75

    asked on November 3, 2014
  44. math

    How many times do you need to multiply 6.5066 by ten to get 650.66?

    asked on October 11, 2014
  45. General

    what do you call someone who now sees life for more than they thought it was before?

    asked on August 10, 2012
  46. English

    What synonym of crumble can replace it in this sentence: "The town slowly crumbled"?

    asked on August 9, 2012
  47. English Literature

    Does anyone know where i can read "Nervous Conditions", by Tsitsi Dangarembga, online?

    asked on July 30, 2012
  48. physics

    1. a car starts from rest attains a velocity of 36kmph with an acceleration of 0.1 m/s^2 find the total time of travel of the car. 2. the distance travelled by a body in fourth second is twice the distance travelled in second of the acceleration of the

    asked on May 20, 2012
  49. Geography

    What is a gorge?

    asked on May 2, 2012
  50. Computer Studies

    What is the difference between storage media and storage devices?

    asked on April 12, 2012
  51. Geography

    How do earthquakes occur at faults?

    asked on April 1, 2012
  52. English Literature

    Can I please get help on the mood and atmosphere created by Allen Curnow in his poem "Continuum"? Thanks.

    asked on March 4, 2012
  53. math

    x + y = 4 , x + z = 4, y + z = 4

    asked on October 28, 2011
  54. Math

    5X-2=10x-8

    asked on August 14, 2011
  55. Biology

    Does the circulatory system transport red and white blood cells? If so, how?

    asked on May 15, 2011
  56. history

    Who are the Balkans and what relationship do they have with Russia or Germany or WWI?

    asked on October 6, 2010
  57. physics - light

    Which principle of light is used in vision?

    asked on October 3, 2010
  58. math

    Century is to decade as dollar is to: (a) penny (b) nickel (c) dime (d) quater

    asked on November 21, 2009
  59. biology

    Zola has a splinter in her finger. which of the following actions should she take before she uses a sewing needle to remove the splinter?Give reasons for your answer. a- wipe the needle with a clean cloth. b- wash the needle in hot soapy water. c- pass the

    asked on November 9, 2009
  60. biology

    what would happen if Australia had no laws to check imported goods

    asked on November 9, 2009
  61. math

    i Want to know some words that could be used in exam to say sum or sustract

    asked on March 21, 2009
  62. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the folloeing objects will accelerate EXCEPT a)a ball striking a wall, in which the force of the ball

    asked on April 30, 2008
  1. math

    Xkvwkvucsu

    posted on July 7, 2019
  2. HELP PLEASE NOW

    give us the da#! answers stop acting like 5 years old dang.

    posted on May 17, 2018
  3. Social Studies (check my answers)

    wow this is hilarious

    posted on May 16, 2018
  4. Physics

    Di ko knows huhu. 500g?

    posted on July 16, 2017
  5. Translating a sentence into a one-step equation

    34 is the product of Delia's savings and 2

    posted on May 6, 2017
  6. Physics

    What is the propper handling of a meterstick?

    posted on November 29, 2016
  7. Chemistry

    Calculate the percent yield of copper Fe+CuCl2-->FeCl2+Cu

    posted on October 13, 2016
  8. english

    English is the language of opportunity

    posted on April 24, 2016
  9. 330 mgt

    Bella is head serve at a chic Italian restaurant. What kind of manager is Bella... 1.Front-Line manager 2.Middle manager 3.excutive manager 4.Nonmanagerial employee

    posted on October 24, 2015
  10. Physics

    4.2 slices

    posted on April 3, 2013
  11. Literature

    I have already been to Sparknotes, but it doesn't answer my question.

    posted on August 2, 2012
  12. English Literature

    oh ok. thanks.

    posted on July 30, 2012
  13. Geography

    Thank you very much!

    posted on July 29, 2012
  14. Life orientation

    Sizanani & ndlovu

    posted on April 19, 2012
  15. Computer Studies

    Thanks!

    posted on April 13, 2012
  16. Computer Studies

    Thanks.

    posted on April 12, 2012
  17. theoretical optics

    A man 1.5 meter tall stands in front of a concave mirror whose radius is 30cm. Find the osition of the man that will lead his image on the screen 20 cm from the mirror. How big is the man's image

    posted on March 19, 2012
  18. Geography

    Thank you, I found my answer!

    posted on March 2, 2012
  19. English Literature

    I've understood from that the first two stanzas of the poem talk about the writer's childhood memories of the plough horses on his father's farm and how, being a young boy of maybe four or five years old, saw them as giant and mysterious creatures and

    posted on February 22, 2012
  20. English Literature

    I'm sort of a newbie at poetry analysis and i need guidance on this particular poem because I can't find it anywhere on the internet. Will check out these links though, but please help.

    posted on February 21, 2012
  21. Math

    Thank you.

    posted on August 14, 2011
  22. English Literature

    Thanks!

    posted on May 15, 2011
  23. Science - Physics - Optical Fibres

    thanks for trying to help, sra, but there are no answers to my question there...

    posted on October 4, 2010
  24. english phonetics

    sounds right to me (:. and i have a major in english for speech therapy

    posted on August 23, 2010
  25. HCR 210

    You can have your instructor fax a form to them explaining the course. I too had that problem. Once the facilities got the faxes, it was fine. This was explained to you in your Syllabus as well as the instructors notes during Week 1.

    posted on May 27, 2010
  26. International Business (am I correct) plz advis

    letter of credit= A letter of credit (LC) originates at a bank, and guarantees that a seller will receive payment of a set amount, at a set time, from a buyer as agreed upon. air waybill= An air waybill (AWB) is a shipping contract of sorts, between the

    posted on December 13, 2009
  27. catering

    need answers to this study please.

    posted on April 21, 2009
  28. math

    thank you sarah

    posted on March 21, 2009
  29. social studies

    so the answer could be a

    posted on February 9, 2009
  30. social studies

    the answers is b proffesor

    posted on February 9, 2009
  31. english: critical thinking

    B) The particular stretch of road is oriented north and south, the orientation that many of the major roads in the Inca system had because of the north-south orientation of the Andes chain.

    posted on September 13, 2008
  32. Chem 2

    Sorry about the units. It is 249.92mL of H20. Since the water is not in grams, what equation should I use?

    posted on February 27, 2008
  33. Chem

    step 1:[2A^+3][3B^-2]/[A2B3]=82.55=Ksp step 2:total concentration of the top part is [3.548E82]/x=82.55 step 3:[3.548E82]x 82.55=x step 4: x=2.92E84 Can you please check this if am correct and am in the right path...am just not good with this chemisty

    posted on February 27, 2008