Questions Asked on
June 7, 2010

  1. chemistry

    A student completes a titration by adding 12.0 milliliters of NaOH(aq) of unknown concentration to 16.0 milliliters of 0.15 M HCl(aq). What is the molar concentration of the NaOH(aq)?

    asked by taylor
  2. Chemistry

    Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.

    asked by Kelly
  3. physics

    It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air? Please help! I do not have any clue as to how

    asked by sarah
  4. Chemistry

    What is the H3O+ in a solution that contains 1.48 g HNO3 in 0.560 L of solution?

    asked by Angela
  5. physics

    A boat takes 3hr to travel 30 km down a river, then 5hr to return. How fast is the river flowing?

    asked by Kara
  6. earth science

    surface ocean currents located at 40 degrees south latitude 90 degrees west longitude generally flow toward the northeast?

    asked by ness
  7. math

    a rabbit climb up a flight of 10 stairs and can only hop 1 or 2 steps each time. he never hops down, only up. How many ways can the rabbit hop up the flight of 10 steps?

    asked by kC
  8. Chemistry

    How many grams of potassium chloride (KCl) could be dissolved in 200g of water at 80 degrees celsius?

    asked by Jessica
  9. Physics

    the energy of a ball rolling up an inclined place plane is?

    asked by Mary
  10. Chemistry

    Calculate the boiling point elevation of a solution made from 15.0 g of a nonelectrolyte solute and 250.0 g of water. the molar mass of the solute is 50.0 g and Kb = 0.51 degrees C/m

    asked by Christina
  11. Enthalpy Chemistry

    Can someone make sure I did this write! What is the molar change in enthalpy when 100 g of ice is heated from -18.2 C to -72 C (Cp = 37.4 J/K*mol) 100g of ice = 100 g/-18.2 C = 5.56 mol 5.56 mol * 37.4 J/K * mol * 53.8 K = 1118 J

    asked by Libby
  12. Chemistry

    Calculate the mass defect and the binding energy/nucleon of the nuclide 9/4 Be which has a mass of 9.012 182 24 amu. The mass of a proton is 1.007 276 47 amu and the mass of a neutron is 1.008 664 90. one amu= 1.6605*10^-27 and the speed of light is

    asked by Michael
  13. Reading (literally)

    TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and little-traveled trail led eastward through the fat spruce timberland.

    asked by Unknown
  14. Reading

    TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and little-traveled trail led eastward through the fat spruce timberland.

    asked by Unknown
  15. algebra

    The test scores from Mrs. Gray's Math class are shown below. 72, 73, 66, 71, 82, 85, 95, 85, 86, 89, 91, 92 Construct a box-and-whisker plot to display these data. --65--70--75--80--85--90--95--100-- ^what the graph looks like^ How would you solve this

    asked by Anastasia
  16. Chemistry

    Calculate the OH- of each aqueous solution aspirin, 5.9×10−4 M milk of magnesia, 1.5×10−9 M

    asked by Angela
  17. physics

    An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 15.0 s. What distance does the car travel?

    asked by sarah
  18. business

    What are some of the best practices or etiquette that should be followed when writing business e-mails. How is the Web affecting the way business is conducted? Are there changes in business practices that apply to a virtual company?

    asked by rose
  19. chemistry

    200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound? The Kb for water is 0.51 degrees Celsius/m

    asked by Christina
  20. math

    in each game there are 12 red checkers and 12 black checkers.If tom put all the checkers in the bag and randomly picked 2,what is the probability that both will be black?

    asked by angel
  21. Chemistry

    Which of the following redox reactions are spontaneous -- SN2+(aq)+BA(s)->Sn(s)+Ba2+(aq) 2AG+(ag)+2Cl-(aq)->2Ag(s)+C12(g) ZN(s)+F2(g)->2F-(aq)+Zn2+(aq) 2LI(s)+Co2+->(aq)->2Li+(aq)+Co(s) 2I-(aq)+K+(aq)->I2(s)+K(s) I believe it is A, C & E

    asked by Mary
  22. Chemistry

    Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.

    asked by Kelly
  23. magnetic field

    A square loop with resistance R=0.001 Ohms,mass 1.0 gram, and side length 1.0 m is falling into a region of uniform magnetic field. The magnetic field has strength 1 Gauss and is pointing out of the page. The speed of the loop just before it enters the

    asked by Physics
  24. Physics

    On your first day at work for an appliance manufacturer, you are told to figure out what to do to the period of rotation during a washer spin cycle to triple the centripetal acceleration. You impress your boss by answering immediately. Express in terms of

    asked by johnny
  25. Macroeconomics

    If it looks like a bank won't meet the Federal Reserve Bank's reserve requirement, normally it will first turn to the: A) other member banks and borrow at the federal funds rate. B) Fed and borrow at the discount rate. C) open market and borrow money

    asked by Steve An
  26. Chemistry

    Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.

    asked by Kelly
  27. Chemistry

    Calculate the mass defect and the binding energy/nucleon of the nuclide 9/4 Be which has a mass of 9.012 182 24 amu. The mass of a proton is 1.007 276 47 amu and the mass of a neutron is 1.008 664 90. one amu= 1.6605*10^-27 and the speed of light is

    asked by Michael
  28. math

    one positive integer is 3 less than twice another.The sum of their squares is 482.Find the integers?

    asked by kwante
  29. science

    A test liquid has a density of 1.1 g/ml. When you pour some of it into a cup of water,what will happen (assuming that their natures are such that they don't mix and that there is no chemical reaction between the two substances)? A.the test liquid will

    asked by lisha
  30. dynamath

    the value of 2 coins is 35 cents. one of the coins is not a quarter. what are the 2 coins

    asked by Jordan
  31. U.S. History

    The are SEVEN questions below from my U.S. History take home test... any and all help would be appreciated. 1. What were the international consequences of the stock market crash in 1929? How did world leaders respond to the global depression? with what

    asked by HELP NEEDED
  32. physics

    A basketball player can jump 2.16 m off the hardwood floor. With what upward velocity did he leave the floor? (use 9.8 m/s/s)

    asked by sarah
  33. e-commerce

    true or false a transaction always has one or more activities associated with it, and an activity will always be related to a transaction

    asked by Anonymous
  34. Geometry 10th grade

    Find the perimeter or given triangle. KLM if JHG~KLM, KM=6, HJ=3, JG= 4, and GH=6. The biggest triangle is FHL. KLM is part of right corner of the big triangle and JHG is the left corner of the big triangle.

    asked by T
  35. STATISTICS

    ONE of the following can be classified as Discrete and Quantitative data. The acceleration of your car as you drive to school. The different colors of the eyes of your classmates. The number of students in your school. The height of all the people in your

    asked by Jake
  36. English/Reading 10 HELP

    TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and little-traveled trail led eastward through the fat spruce timberland.

    asked by Ariel
  37. 1st grade

    Rewriting sentences with nouns and replacing them with pronouns.. The boys wanted to give a dad a gift.

    asked by Aretha
  38. Algebra 2

    a rectangle table is five times as long as it is wide if the area is 245 feet ^2 find the length and width of the table

    asked by Kate
  39. Marketing Principles

    Motivating and Leading The following are the four P's in marketing: Price Product Promotion Place Complete the following below: Choose a product or service with which you are familiar. Describe the product or service. In your own words, describe why and/or

    asked by Glo
  40. STATISTICS

    There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball )? 1/6 1/2 3/20 4/5

    asked by Jake
  41. ss

    1. what outcome did Richard Nixon have? 2. what is watergate scandal?

    asked by Sara!
  42. history

    What were the international consequences of the stock market crash in 1929? How did world leaders respond to the global depression? with what results?

    asked by Joe
  43. 10th grade Academic Math

    hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

    asked by Neil
  44. Communication and Gender Studies

    Hello everyone! I need help determining how are women in the United States today being discriminated against. I need to provide atleast 3 examples. Can anyone offer some ideas? Thank you!

    asked by Robert
  45. chemistry

    200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound? The Kb for water is 0.51 degrees Celsius/m

    asked by Christina
  46. business

    Prepare a 1,750- to 2,100-word paper in which you address the following as it relates to that organization: o Differentiate between management and leadership. o Describe the roles and responsibilities that organizational managers and leaders play in

    asked by Anonymous
  47. math

    If the measure of angle 1 is 123 degrees, find the measure of

    asked by Emily
  48. chem

    The full inoic equation for an electrochemical cell is Br2 + Zn yields 2Br- + Zn2+. write the half reaction that occurs at the anode and the half reaction that occurs at the cathode

    asked by Jessica
  49. 10th grade Academic Math

    hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

    asked by Neil
  50. english

    I need 5 sentences about the role of education in successful financial planning

    asked by junior
  51. Pharmacy

    when a generic form of drug is prescibed, which of the following must be included on the label? a. generic form name and expiration date b. generic form name and the brand name c. generic form name and the prescriber d. generic form name and the patient's

    asked by Mary
  52. marketing

    You are working in the product development department of a company that creates household products. Your team has come up with an idea for a revolutionary new cleaning product. Using the seven phases of new product development as a guide, describe how your

    asked by jane
  53. English

    what is a idiom? Is this one, " don't judge a book by it's cover"

    asked by Amy~
  54. statistics

    In a goodness-of-fit test where the sample size is 200, there are 5 categories, and the significanace level is .05. What is the critical value of x squared?

    asked by Amy
  55. geometry

    A board that is 19 feet long must be cut into two pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.

    asked by Anonymous
  56. stoichiometry problem

    how many grams of oxygen gas are needed to react with 5.7 moles of phosphorus

    asked by mimi
  57. trig

    6^(x-36)=52 solve for x

    asked by Jeanny
  58. physics - special relativity

    When a rocket is moving at a constant speed, it has a relativistic mass that is 60 percent greater than its rest mass. Find the speed of the rocket. **** So far, I tried using the relativistic mass equation.. 0.6m = mv / square root 1-(v/c)2

    asked by CL
  59. algebra

    The length of a rectangular field is 7 meters more than twice its width. If the perimeter is 140 meters, find the dimensions of the field.

    asked by Sheila
  60. business

    Explain how the company deals with the relationship between ethics, morality, and social issues in the legal environment

    asked by myde
  61. Asia

    What kinds of natural vegetation are found in each of Russia's climate regions?

    asked by Skye
  62. com220

    I need help with my research paper. I do not know how to do a full sentence outline

    asked by cynthia
  63. math

    how can I study for a math exam which is in 9 days???

    asked by chooey
  64. Chemistry

    what is the precipitate formed when benedicts solution reacts with glucose? give the net ionic equation for the reaction.

    asked by Mark
  65. algebra please check :(

    Are the lines parallel and how did I come to this conclusion? y + x = -5 and y - x = -5 first I it so y is by itself y = -x -5 second equation = y = x +5 Would the answer be yes? y= -5 and y = 5? Not sure I really understand thx.

    asked by bart
  66. chemistry

    what is the molarity of 20 grams of HCI mixed with water to make 1 liter of solution

    asked by jhjmjj
  67. economics

    Calculate the mid-point elasticity of demand. The online bookseller wants to increase its total revenue by offering 10% discount on every book it sells.Its custmers are divided in 2 groups Group A and group B Volume of sales before the discount for Group

    asked by Hilda
  68. STATISTICS

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information.

    asked by Jake
  69. Accounting

    Imagine you have been selected by your manager to present a training session to a group of new employees. The new hires do not have accounting backgrounds and have little or no work history in a responsibility center. The purpose of this training session

    asked by Jeff
  70. accounting

    JULY 12 Paid $300 to send employees to realtor’s workshop. Cheque 614. is this right:::: Salaries expense (Debit) Cash (Credit)

    asked by Thara!
  71. math

    The price of an antibiotic decreased from $86.25 to $52.75 for a bottle of 100 tablets. Find the ratio of the decrease in price to the original price.

    asked by rose
  72. Math

    Find the exact value of cot theda if theda is in standard position and (-7,2) is on the terminal side of Theda

    asked by Anonymous
  73. Physical Science

    how does the color of the light bulbs determine the amount of energy of the electromagnetic waves?

    asked by Diamond
  74. Chemistry

    Name this compound .................CH3 .................| CH(triple bond)C-CH-CH-CH3 ....................| ....................CH3 CH3 in the first row is directly above the CH in row 2 after the triple bond and the CH3 in the third row is directly under

    asked by Mary
  75. English

    Can you please check these sentences on "Dubliners"? Thank you a lot in advance. 1)Imagining the intensity of Michael Furey’s passion for Gretta, Gabriel realizes that in comparison his own relationship with his wife has been mediocre and emotionally

    asked by Franco
  76. History

    Why did president hoover's emphasis on voluntarism fail to resolve the problems of the great depression of the united states?

    asked by Bill
  77. algebra

    is the average of 27 - x, x - 8, and 3x + 11 is y, what is the average of 2y and 2y/3?

    asked by brooke
  78. 10th grade Academic Math

    hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

    asked by Neil
  79. algebra

    Factor completely 2x^3y-12x^2y-14xy 2x^2y-6xy-7xy could check this problem

    asked by keaton
  80. Statistics

    Suppose that the percentage returns for a given year for all stocks listed on the New York Stock Exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n= 5

    asked by Mary
  81. factoring help

    2 factor 4x -32x+48 and 2 2 2 factor (x -1)(x -4)(x -9) please and thank u verrry much is that this is due tommorow!!

    asked by eva
  82. math

    simplify cot(-theta)tan(theta)

    asked by Molly
  83. 10th grade

    in caesar how do the workman celebrate as the play begins

    asked by Anonymous
  84. English

    How would you describe a person who gets embrassed quickly? Into two or one word. Thanks

    asked by Amy~
  85. english

    What is the falling action and the rising action and the catastrophe of romeo and juliet?

    asked by Ted
  86. statistics

    The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

    asked by SARAH
  87. social studies

    I just needed some general help.................can you give me some tips on how to study for a socials final exam (PLEASE!). I am just not able to study, every single day I think that I will study and make my notes, but I keep postponing this, and now I

    asked by chooey
  88. algebra 117

    16v^2-1=0

    asked by Anonymous
  89. accounting

    Why is a bank reconciliation considered an internal control over cash? How does it provide control? What control violations might the bank reconciliation highlight?

    asked by kay
  90. Math

    what is mean by mathematical function.

    asked by Nepketo
  91. Communication and Listening Studies

    When a speaker is 20 years older that the person listening, the listener's ability to listen is affected by what factors?

    asked by Laurie
  92. accnting

    June: 1)Sold a house and collected a $6,000 commission. Ans: Cash (debit) Commission earned (credit) 2)Sold a building lot and earned a commission, $6,500. Payment is to be received on July 8. Ans: Accounts recievable (DR) comission Earned (CR) 3)Received

    asked by Thara!
  93. WRITING SKILLS

    an appositive is a noun that is placed after another noun in order to tell more about it and it's usually set off with commas. TRUE

    asked by NOOR
  94. RE English/Reading Help

    Are these right? "It was all pure white, rolling in gentle undulations where the ice jams of the freeze‑up had formed." "Fifty degrees below zero stood for a bite of frost that hurt and that must be guarded against by the use of mittens, earflaps,

    asked by Ariel
  95. medical coding

    discuss the basic specifications for designing a form

    asked by rochelle james
  96. teacher aide

    how children learn

    asked by Martin
  97. health model

    I have to select a model that best reflects my own personal approach to health, and I'm not sure if yo-yo dieting is the best model. Oh, and this might be the definition of "yo-yo dieting". You lose some weight and gain the weight back. (your weight

    asked by AL 92
  98. Pharmacy

    The instruction "take medication with plenty of water"s an example of a. direction to the pharmacist b. the prescription format c. the subscription d. auxiliary information I chose (d) but I am having second thoughts on (b) maybe.

    asked by Mary
  99. algebra

    X^2-4x+3/x^2+3x-18-X62-1/x^2+10x+24 can someone work this problem for me. I have tried it does seem to work right.

    asked by Ashley
  100. math due tommorow

    2 factor 2x +x-6 and 2 factor (2y -6u-5+10y please i need help due tommorow

    asked by eva
  101. calculus

    How do you find the limit of: 1(1 - (1/k))/2! as k increased with no bound? I know the answer is 1/2! But how do you get there? Are you supposed to divide both top and bottom by k?

    asked by Jake
  102. algebra

    I do not how to do this problem could some one help me please. x+1/x+2-x^2+1/x^2-x-6

    asked by Angelia
  103. Communication and Gender Studies

    How are women some how privileged over men in social contexts?

    asked by Michael
  104. History

    The year 1968 seems to be one of the most memorable and significant years of the postwar era in the U.S. Why do you think it held such significance? Be sure to address both foreign and domestic affairs?

    asked by Masm
  105. Physical Science

    How does the ozone layer cause global warming?

    asked by John Henry
  106. Algebra: ?

    Give the equation of a line that is perpendicular to the graph of each equation. I do not understand. y=12 Would I just write the opposite? y = -12

    asked by bart
  107. application statistic

    assume that a set of test score is normally distrubuted with a meanof 100 and a standard deviation of 20 find the quantities using the 68-95-99.7 rule to get: the percentage of scores less than 100: B) relative frequency of scores less than 120 c)

    asked by Latoya
  108. AED 204

    Write a 350-to 500-word statement that reflects on how your ethnicity influences your personal behavior, attitudes, and values. Can anyone help me on this. This is what I got so far. Well my ethnicity influences my persoanl behavior by the way that I act

    asked by Rayna
  109. math

    The voulme of fish tank with a square base is y^3-6y^2+9y cube inches. The hieght is Y. Find the length of a side of the square base. can some one help me please.

    asked by keaton
  110. us history

    what battle marked the beginnign of U.S involvement in Vietnam

    asked by thomas
  111. computer science

    Please design the ¡§Classes¡¨ that will work together for the implementation of the User Case ¡§Validate User¡¨ in the ATM machine. its just want us o write a diagram..

    asked by travis
  112. algebra

    x+1 over x+2 minus x^2+1 over X^2-x-6 I need help with this problem

    asked by Angelia
  113. chemistry

    the solubility of co2 gas in h2o depends on ...... while the solubility of h2 gas in h2o depends on.......

    asked by heba
  114. social studies

    I have to tell about the society of the Iroquois people. Does that include their system of government as well?

    asked by chooey
  115. RE

    Why is the cow sacred to hindus?

    asked by toby
  116. com220

    I need help with com220 week5 a full-sentence outline

    asked by cynthia
  117. accounting

    What are some internal controls related to cash? Why is control over cash important? What are the pros and cons of segregation of duties over cash?

    asked by kay
  118. social studies

    Should Nations pursue goals of international cooperation to ensure security

    asked by jake
  119. English

    It smells like something is burning. (Is this sentence correct? What does 'It' refer to?)

    asked by rfvv
  120. English

    For a narrative procedure, in the introduction is it general sentences about the procedure in the beginning. What would make my introduction and conclusion effective? Thanks Please if anyone could just answer the first one if they can and not a website?

    asked by Amy~
  121. ss

    what country were we at odds with during the cold war?

    asked by Sara!
  122. algebra

    1/3(x+3)+1/6(x-6)=x+3

    asked by zach
  123. ss

    who was the first african american supreme court justice?

    asked by Sara!
  124. chemistry help please!!!!

    write the symbol,mass and charge for all of the nuclear particles

    asked by Anonymous
  125. ss

    who was the oldest elected president?

    asked by Sara!
  126. chem

    write the symbol,mass and charge for all of the nuclear particles

    asked by Anonymous
  127. chemistry

    What are properties of metal and non-metal?

    asked by Anonymous
  128. chemm help

    write the symbol,mass and charge for all of the nuclear particles

    asked by Anonymous
  129. algebra1

    what formula should i use to solve this quadratic formula? 2x2 + 4x + 2 = 0.

    asked by ash
  130. The secotite of Gumbo Grove

    HELP! I need chapter by chapter summerys 8-12 plz HELP ME ASAP!!!!

    asked by Hadley
  131. social studies

    Why might Americans have chosen West Point as a good place for a fort?

    asked by Debbie
  132. English

    in a journal what would you include? Would I write down everything I did like: I put the cup on the sink. Then I turned on the faucet...

    asked by Amy~
  133. garmex academy. early childhood

    child care and protection act

    asked by stacy
  134. English

    What does this mean. Realizing who you are as a person. Could someone write some examples. Would it be that I'm determined... Thanks

    asked by Amy~
  135. project on alternative renewable energy souses

    should i do a power point or a model display

    asked by Chris
  136. English

    What is self-consciousness as in ... is it a mood, or thought? One word to describe this. thank you

    asked by Amy~