Questions Asked on
April 11, 2009

  1. Inorganic chemistry

    The following reaction occurs spontaneously. 2H+(aq)+ca(s) Ca2+(aq)+H2(g) write the balanced reduction half-reaction

    asked by Steve
  2. math

    The cross section of an attic is in the shape of an isosceles trapezoid. If the height of the attic is 9 feet, BC=12 feet, and AD=28 feet, find the length of line AB to the nearest foot. The triangle of the trapezoid is triangle ABE and the bases are BC

    asked by anthony
  3. finance

    A rapid rate of Growth in sales may require A. sales forcasts to be made less frequently B. higher dividend payments to shareholders C. the firm to be more lenient with credit customers D. increased borrowing by the firm to support the sales increase

    asked by deedra
  4. Inorganic chemistry

    Potassium hydrogen phthalate (molar mass = 204.2 g/mol is used to standardize sodium hydroxide. If 23.67 ml of NaOH (aq) is required to titrate 0.7719 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? HC8H4O4-(aq) + OH-(aq) =

    asked by Steve
  5. accounting

    what catergorie does accounts payable belong to? income statement or statement of changes in owner equity or balance sheet. im not sure but i think balance sheet.

    asked by anonymous
  6. accounting

    what catergorie does this fit in. utilities: does is fit in income statement or in statement of changes in owner equity or balance sheet. i think statement in chnges in owner equity is the answers if wrong please correct.

    asked by anonymous
  7. geology (science)

    Compare and contrast the geological features of a desert landscape and glacial landscape... can you help me think of a geological feature? once i get that i have to compare and contrast each of them right?

    asked by scooby9132002
  8. MATH

    what is the probability of getting 3 of a kind in poker? 3 of a kind is: Any three cards of the same rank with two other different cards. I know the answer it suppose to be 54912/2598960 But how do you get that?

    asked by Brad
  9. Inorganic chemistry

    A 50ml sample of vinegar is titrated with 0.774M NaOH(aq). If the titration requires 41.6ml of NaOH(aq), what is the concentration of acetic acid in the vinegar?

    asked by Steve
  10. Inorganic chemistry

    E naught cell for the following galvanic cell is +0.254V. Hg^2+(aq) + 2I^-(aq) ==> 2 Hg(l) +I2(s) What is the change G naught for this reaction?

    asked by Steve
  11. AP chem

    a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the

    asked by sarah
  12. English

    1. I drink a coke. 2. I drink a Coke. 3. I drink cola. 4. I drink a cola. 5. I drink a glass of coke. 6. I drink a glass of cola. (Which expressions are correct?) 7. My favorite food is seafood, rawfish, dumplings, salad, and live octopuses. (Is this

    asked by John
  13. math

    when you're looking at a graph that shows the height of a balloon over time, how can you know the rate in which it rises?

    asked by Angie
  14. audit

    What do you think the auditors meant by the term "substantive audit"? Was the substantive approach appropriately applied in EM's audit of Maxall?

    asked by Pinky
  15. economics

    Federal Reserve increases discount rate to 3.5 what will happen to the bank lending, supply of money, aggregrate demand and the interest rate and why?

    asked by adam
  16. economics

    US inflation rises unexpectedly relative to Japan what happens to the imports, exports, and capital flow to the US and the supply of money and why?

    asked by adam
  17. economics

    US demands fewer Japanese goods what will happen to t he demand for money and the supply for money and the interest rate and why?

    asked by adam
  18. economics

    US government purchases 20 new F-117A stealth fighters what happens to the aggregrate demand and why?

    asked by adam
  19. economics

    What happens if US MPC increases, and lack of foreign investments to the aggregrate supply?

    asked by adam
  20. economics

    US government cancels $12 billion in farm subsidies what happens to the aggregrate demand and the interest rate?

    asked by adam
  21. calculus

    A cubic polynomial function f is defined by f(x)= 4x^3+ab^2+bx+k where a, b, k, are constants. The function f has a local minimum at x=-2 A. Fine the vales of a and b B. If you integrate f(x) dx =32 from o to 1, what is the value of K?

    asked by adam
  22. Chemistry

    I am supposed to design a simple lever that could be raised and lowered smoothly using nitinol wires. Can anyone give me any ideas about that coz I don't know how to start with it. I think that it is related to nitinol wires' memory but I had no ideas

    asked by Anonymous
  23. accounting

    capital is balance sheet i think. but if i am wrong what catergorie does it fall in. income statement or statement of changes in owner equity, or balance sheet.

    asked by anonymous
  24. General

    has anyone heard of Dr. Franklin Frisby?

    asked by Anonymous
  25. History Ms. Sue

    What is one positive benefit of global peace and economics?

    asked by Kara
  26. History Ms. Sue

    I found this as pro of war and economics. Can you please explain to me what this means? Military spending and war mobilization can increase capacity utilization. Thank You

    asked by Kara
  27. Physics

    An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave? A. 2.0 x 10^6 Hz B. 4.8 x 10^-7 Hz C. 1.8 x 10^24 Hz D. 5.3 x 10^-22 Hz I got B..? When the currents in two parallel metal conductors are in the same direction,

    asked by sophie
  28. english

    Discuss the importance of superstition and supernaturals in Shakespeare's "Julius Caesar". please help, i need to make a thesis statement

    asked by ton
  29. Animal Community Paper (Ethics)

    Ok so I need help getting started on my essay. The topic: "Where do animals belong in the moral community? Should animals be seen as only having instrumental worth to humans, or do animals have some intrinsic worth? Should they be given any rights? Is it

    asked by Summer
  30. accounting

    capital is balance sheet i think. but if i am wrong what catergorie does it fall in. income statement or statement of changes in owner equity, or balance sheet.

    asked by anonymous
  31. accounting

    what catergorie does this fit in. utilities: does is fit in income statement or in statement of changes in owner equity or balance sheet. i think statement in chnges in owner equity is the answers if wrong please correct.

    asked by anonymous
  32. accounting

    what catergorie does accounts payable belong to? income statement or statement of changes in owner equity or balance sheet. im not sure but i think balance sheet.

    asked by anonymous
  33. math

    why is it necessary to find the gcf of two or more numbers

    asked by marty
  34. Inorganic chemistry

    write a balanced half-reaction for the reduction of permanganate ion, Mn04, to Mn02 in a basic solution

    asked by Steve
  35. Algebra

    2r-5s=-14 5r+2s=23 I know the answer is s=14 and r=3 but how do I wirte this down on my assignment? If I entr it wrong, I will get it wrong.

    asked by Shannon
  36. History Ms. Sue

    Global peace produces trade between countries. is that because those trading nations would be at ease with each and trade at their own will. Negotiations would not have to be made because everyone would be getting along with each other. Or is that not the

    asked by Kara
  37. History

    What are some cons of war being fought for freedom? Any ideas or websites that would be useful would be greatly appreciated. Thank you and have a Happy Easter.

    asked by Kara
  38. Inorganic chemistry

    A 50 ml sample fo 0.240M NH3(aq) is titrated with aqueous hydrochloric acid. What is the pH after the addition fo 15.0 ml of 0.0600M HCl(aq)? (kb of NH3 = 1.8 x 10^5)

    asked by Steve
  39. geology (science)

    Review the following animations on this weeks aXcess page: o Types of Dunes animation o Glacial Landforms animation „h Compare and contrast the geological features of a desert landscape and glacial landscape. Describe at least one process that creates

    asked by scooby9132002
  40. Inorganic chemistry

    Calculate the standard reduction potential for the following reaction at 25 degrees Celsius Ag(NH3)2^+(aq) +e^- ==> Ag(s) + 2 NH3(aq) given the following thermodynamic information Ag^+(aq) + e^- ==>Ag(s) E naught = 0.799V Ag^+(aq) + 2NH3(aq) ==>

    asked by Steve
  41. ecology

    I need to write an ecological profile for an animal. What exactly is an ecological profile? What does it include? Since I am not actually conducting research...it does not need abstract, materials, methods, results etc??? Please help. Thanks

    asked by Laura
  42. Inorganic chemistry

    Given the following two half-reactions, determine which overall reaction is spontaneous and calculate its standard cell potential. Cd^2+(aq) + 2e^- ==> Cd(s) E naught = -1.21V Sn^2+ + 2e^- ==Sn(s) E naught = -0.14V

    asked by Steve
  43. math

    A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?

    asked by sw
  44. math

    Write a proportion that is equivalent to the statement: If 2 pizzas can feed 7 people, then 6 pizzas can feed 21 people.

    asked by sw
  45. math

    Write a proportion that is equivalent to the statement: If 2 pizzas can feed 7 people, then 6 pizzas can feed 21 people.

    asked by sw
  46. Inorganic chemistry

    One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury oxide is reduced to mercury. HgO(s) + H2O(l) + 2e^- ==> Hg(l) + 2 OH^-(aq) If 2.5 x 10^-5 amperes flows continuously for 1095 days, what mass of Hg(l) is

    asked by Steve
  47. Math

    Why is it not possible to write the equation of the line through (8,-5) and (-8,-9) in slope-intercept form??

    asked by Angie
  48. Business

    Does the current regulations have resolved the auditing problems of the past?

    asked by Bryan
  49. math

    What is the slope of the line x=5? 1)5 2)-5 3)0 4)undefined

    asked by chris
  50. Inorganic chemistry

    Consider the half-reactions: Cu^2+(aq) +2e^- ==> Cu(s) E naught = +0.34V Sn^2+(aq) + 2e^- ==> Sn E naught = -0.14V Fe^2+ + 2e^- ==> Fe(s) E naught = -0.44V Al^3+(aq) = 3e^- ==> Al(s) E naught = -1.66V Mg^2+(aq) = 2e^- ==> Mg(s) E naught = -2.37V Which

    asked by Steve
  51. Inorganic chemistry

    Calculate E naught cell for the reaction b 5Cd(s) + 2MnO4-(aq) + 16H+(aq) ==> 5Cd^2+(aq) = 2Mn^2+(aq) + 8H2O(l) given the following standard reduction potentials MnO4^-(aq) + 8H^+(aq) = 5e^- ==> Mn^2+(aq) + 4 H2O(l) E naught = +1.52V Cd^2+(aq) + 2e^- ==>

    asked by Steve
  52. accounting

    1)utilities expense, 2)accounts payable, 3)commissions,4)capital, 5)withdrawals.where do they appear? income statement or statement of changes in owner equity or balance sheet.i think #1 is balance sheet #2 is income statement, #3 statement of chnges in

    asked by anonymous
  53. To: Reiny

    I don't understand how there would be 48 cards left if you took out 3 cards, wouldn't you have 49 cards?

    asked by Brad
  54. Inorganic chemistry

    Calc1ulate E for the following electrochemical cell at 25 degrees Celsius Pt(s) ! Sn^2+ (aq, 0.50M), S^4+(aq, 0.50M !!I^-(aq, 0.15M) ! AgI(s) ! Ag(s)! given the following standard reduction potentials. AgI(s) = e^- ==> Ag(s) + I^-(aq) E naught = -0.15V

    asked by Steve
  55. accounting

    1)the monthly service chrage of $15. is it b)deducted from the checkbook or deducted from the bank statement balance.2)interest earned by the company on an investment and automtically deposited to the companys account. is either a or c. A)added to

    asked by anonymous
  56. Statistics PLEASE HELP

    1. In a recent election Smith ran against Jones for Governor. A pre-election poll surveyed 1885 randomly selected voters. Of those surveyed 980 indicated that they planned to vote for Smith. The five questions below pertain to the problem of testing the

    asked by Winky
  57. Inorganic chemistry

    The following electrochemical cell has the potential of +0.617V at 25 degrees Celsius Pt ! H2(g, 1.00 atm) ! H+ (aq, 1.00M !! Ag^+(aq) ! Ag The standard reduction potential, E naught, of Ag^+ = 0.799V. What is the Ag+ concentration?

    asked by Steve
  58. Science

    For the DNA sequence of TACTTCTTCAAGACT, what information is contained in the genetic code for the first and last codon? Please be specific. I appreciate any help I can get.. Thank you!

    asked by Symone
  59. math

    In a coordinate plane, what is the total number of points 5 unita from the origin and equidistant from both the x and y axes? 1)1 2)2 3)3 4)4

    asked by patrick
  60. Math

    if you were to graph x=5, how would it look like? And where can I find an online graphing calculator? and what does it mean in math for something to be undefined? What exactly is x=5? is it a function or something?

    asked by Angie
  61. Inorganic chemistry

    Given the following standard reduction potentials, Fe^2+(aq) = 2e^- ==> Fe(s) E naught = -0.440V FeS(s) + 2e^- ==> Fe(s) + S^2-(aq) E naught = -1.010V determine the Ksp for FeS(s) at 25 degress Celsius

    asked by Steve
  62. Inorganic chemistry

    What change in coulombs, is required to deposit 0.301 g Cu(s) from a solution of Cu^2+(aq)

    asked by Steve
  63. Physics

    The mass of the Moon is 7.35x10 to the 22nd Kg. At some point between the Earth and the Moon, the for of Earth's gravitational attraction on an object is cancelled by the Moon's force of gravitational attraction. If the distance between Earth and the Moon

    asked by Renee =D
  64. Reply to Yorkie16

    Original qustion posted here: http://www.jiskha.com/display.cgi?id=1239379999 If you do computations Modulo some number, say Modulo 11, then you identify numbers from the ordinary number system that differ by a mulitple of 11. A rigorous mathematical

    asked by Count Iblis
  65. physics

    I've just read that the centripetal force on an electron is mv^2/r; and that this is also equal to the electrostatic force pulling the electron toward the nucleus. Does mv^2/r hold good in all Newtonian siuations as a formula for centripetal force acting

    asked by charlie
  66. math

    Three men, A,B and C upon forming a partnership, invest $1,800, $2,500 and $4,000 respectively. The net profits at year's end amounted to $415. How many dollars should B's share the profit be?

    asked by Anonymous
  67. spanish

    hi how do i say 'no i don't speak spanish'? would it be 'no i no hablan español'? I used a translator but i'm not sure if it's correct...

    asked by Anonymous
  68. A.P us history

    How does the American work force > change during the 1950’s, what causes this and what types > of new technology is developed?

    asked by brenda
  69. College

    How did imperalism and industrialization lead to World War1? and was it worth it. Term paper due, need to be pointed in right direction.

    asked by Dante
  70. Math

    Can a graph of a function ever have more than 1 x-intercept?

    asked by Angie
  71. Math

    What are you supposes to do to write the equation of a line that is perpendicular to the given line and that passes through the given point: 4x-12y=2; (10,-1)

    asked by Angie
  72. algebra

    Graph the function. Plot two points and the asymptotes of the graph of the function g(x)=3/2log(3 is lower next to log) (x-2)-1

    asked by ann
  73. Chemistry

    I got questions about catalytic converter. Can someone please help me out? Thanks in advance 1. Why is it necessarty to have additional air in exhaust before it enters the catalytic converter? 2. A catalytic converter is not effective when cold. Use the

    asked by Anonymous
  74. Physics

    If a ball is sliding along a frictionless horizontal surface is the total work being done on the ball zero? I think so because there is no mention of applied force. Am I correct? P.S. On this holiday weekend, I want to send a BIG THANK YOU to all the

    asked by KC
  75. accounting

    The limitations and risks of using the Internet in accounting and business activities are numerous.

    asked by MIl
  76. Astronomy

    Is the elipse more circular when the tacks are closer together or farther apart?

    asked by joe
  77. Astronomy

    If the elipse were a planet's orbit where would the sun be on the page?

    asked by joe
  78. Physics

    The polarity of an electromagnetic can be determined using the second right-hand rule. A. True B. False Is it false? Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced by the

    asked by sophie
  79. COM 140

    Can someone please tell me what the chart for the week 8 second checkpoint is suppose to look like?

    asked by Betty
  80. math

    Hannah took a trip yo visit her cousin. She drove 120 miles to reach her cousin's house and the same distance back home. a) It took her 1.2 hours to get halfway to her cousin's house. What was her average speed, in miles per hour, for the first 1.2 hours

    asked by Anonymous
  81. History

    What would be some negative effects that global peace would have on economics? I tryed searching what SraJMcGin had told me to do and had no luck. Any ideas would be helpful. Thank You Would one thing be if there was global peace there would not be enough

    asked by Kara
  82. Physics

    How can you easily increase the magnetic field strength inside a current carrying coil?

    asked by Michael
  83. Math

    A line passes through (2,-1) and 8,4). How do you write an equation for the line in point-slope form?

    asked by Angie
  84. Science

    A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. What instrument would be best for a scientist to use?

    asked by Christopher
  85. Physics

    In a refrigerator, I know there is a liquid called refrigerant circulates through coils within the refrigerator to absorb heat from the interior. But what would happen if too much refrigerant was present in the system? Too less? Please use phase changes to

    asked by Anonymous
  86. English

    I'm doing a pro/con argumentative essay. Is this topic sentence argumentative? The benefits of war and economics are better than global peace.

    asked by Kara
  87. Calculus

    Find the force on a hollow dome that is 1000 feet in diameter, that is a mile below the surface. HOw large can the dome be expanded and not surpass 600 billion pounds. I know the height will be 500, and i think that the intergral is 5280 to 4780 int

    asked by Jacob
  88. COM 140

    Finding a job in today’s competitive market not only takes time but also strategic planning. Creating résumés and job-application letters is only half the battle. Applicants also need to manage the interview process, including writing follow-up letters

    asked by Betty
  89. History

    What does this mean? Thank you for explaining this stuff to me. This is just a confusing topic for me. Without the "risk" factor of investments, there will be less financial gain. ( Would this be considered a negative effect that global peace would have on

    asked by Kara
  90. unscramble words

    toolsuni busiesttut lotta leantm broanalse

    asked by veronika
  91. Algebra

    Is this correct??? 2. Trains A and B are traveling in the same direction on parallel tracks. 2. Train A is travelling at 100 miles per hour and train B is traveling at 125 miles per hour. Train A passes a station at 5:10 A.M. If train B passes the same

    asked by Shannon
  92. Economics

    If the price of variable input increases, then: A. The total cost curve will shift up. B. The average total cost curve will shift up. C. The marginal cost curve will shift up. D. All of the above

    asked by Rose
  93. Intro to Ethics

    I have to write a paper over an ethics topic. And I chose: Where do animals belong in the moral community? Should animals be seen as only having instrumental worth to humans, or do animals have some intrinsic worth? Should they be given any rights? Is it

    asked by Summer
  94. spanish

    can anyone please check my grammar for these sentences, thank you? 1. Before the plane started to move, I took a deep breath. Antes de el avione empezó moverse, yo tomé respire hondo. 2. I felt a little bit nervous because it was my first time to fly by

    asked by no name
  95. History Ms. Sue

    How is this a negative thing related to war and economics. most wars create zones of intense destruction of capital such as farms, factories, and cities. These effects severely depress economic output. ( I understand that bombs and other wartime activities

    asked by Kara
  96. com 130

    Imagine you have been asked to communicate to several clients regarding a delay in the production of widgets your company produces. Your clients are both local and international. They have diverse backgrounds, technical experience, and understanding." Your

    asked by vee
  97. literature

    How do the seasons reflect Dexter's emotions in Fritzgerald's "Winter Dreams"?

    asked by valerie
  98. astronomy

    on which planets would you weih more than on the earth?

    asked by joe
  99. astronomy

    on which planets would you weigh nearly the same as on earth?

    asked by joe
  100. LOGIC - Strength of enumerative arguments

    #1 Here's my argument: Alice went to Lincoln High and earned a college scholarship. Ben went to Lincoln High and earned a college scholarhip. Carol went to Lincoln High and earned a college scholarship. Dan went to Lincoln High and earned a college

    asked by K
  101. Algebra

    I am really confused and I think I have the wrong idea. Can you please take a look? 8[-52-(65-61)] 65 - 61 = 4 + 52= 56 -8 * 56 -448

    asked by Shannon
  102. economics

    US goverment enacts a 5% coroprate profits dat what will happen the aggregrate supply, Long Run Aggregrate supply, Production Possibilit, and purchasing power of the money and why ?

    asked by adam
  103. economics

    Federal Reserve lowers reserve requirment to 1.25% what wil happen to the bank lending, supply of money, aggregrate demand and the interest rate and why?

    asked by adam
  104. economics

    Urban land rents increase in prpoerty boom what happens to the aggregrate supply, rate of growth, production possibility and the long ran aggregrate supply?

    asked by adam