Questions Asked on
June 29, 2010

  1. Spanish

    where did sr andrade go to do the following errands write the names of the places could someone check my answers? 1 fue a cobrar un cheque.estuvo en -el banco 2 fue a ver al dentista estuvo en - el consultorio 3 fue a comprar unos palos de golf estuvo en -

    asked by Amy
  2. physics

    A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water

    asked by sandhya
  3. chemistry

    Assuming the density of a 5% acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to neutralize 25.0 mL of 0.10 M NaOH. Record this calculation on your report sheet.

    asked by love
  4. Chem

    25.0 mL of 0.100 M acetic acid (Ka= 1.8 x 10^-5) is titrated with 0.100 M NaOH. Calculate the pH after the addtion of 27.00 mL of 0.100M NaOH. my work CH3COOH + H2O H3O^+ + CH3COO^- 25mL x 0.100 mmol/ml = 2.5mmol CH3COOH 27mL x 0.100 mmol/ml = 2.7mmol NaOH

    asked by Anonymous
  5. chemistry

    How much 0.150 M sodium hydroxide would be required to just neutralize 15 mL of 0.175M hydrochloric acid? 15mL x 0.150M/0.175M=12mL correct!

    asked by Jetta
  6. chemistry

    Why are optical isomers not found for CH2ClBr?

    asked by Jetta
  7. physics

    1.A round wooden log of diameter 73cm floats with half of its radius above water. Determine the log’s density 2.An ideal gas doubles its volume in one of three different ways: at constant pressure, at constant temperature, and adiabatically. For each

    asked by sandhya
  8. chemistry

    THe thiocyanate ion acts as a Lewis base, donating a pair of electrons to the Fe ^ 3+ ion. Both sulfur and nitrogen atoms have lone pair electrons that can potentially be donated. Therefore, ther are two different structures (linkage isomers) that can be

    asked by Judy
  9. chemistry

    Why are cis and trans isomers not possible for ClCH2CH2Cl? Because it is a single bonded compound and cis-trans isomerism is only possible when fre rotation about a bond is restricted or a double bond or cycle is essential for existence of cis-trans

    asked by Jetta
  10. geometry

    A 30o-60o-right triangle is half of what other kind of triangle?

    asked by Superman
  11. Math 115 week 8 cum-test

    I was wondering if anyone has the questions for week 8 !@#$%^&-test due Sunday? the instructor will not post it until Wednesday night and I would like to start on it early because I am moving all week.I am taking classes with the University of Phoenix Axia

    asked by frustrated
  12. Chemistry

    A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What is the concentration of Na ions? I believe it is 0.3M but am having trouble understanding why when I write out the dissociation

    asked by Richard
  13. Geometry

    I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

    asked by Kathy
  14. criminal justice

    Individual Assignment: Barriers to Effective Communication Paper · Write a 1,050- to 1,750-word paper in which you describe the following: o The process of communication and its components o Differences between listening and hearing in communication o The

    asked by Florence
  15. chemistry

    why is C4H10 the simplest alkene that can have structural isomers? Because compounds wwith the same molecular formula but different structural formula are called isomers in C4H10

    asked by Jetta
  16. chemistry

    Why are optical isomers not found for CH2ClBr?

    asked by Jetta
  17. accounting

    __a__ 1. A responsibility center that incurs costs (and expenses) and generates revenues is classified as a(n) a. cost center. b. revenue center. c. profit center. d. investment center. _a___ 2. The most useful measure for evaluating a manager's

    asked by connie
  18. Spanish please help?

    Sra ramired is asking her family if they did everything they were supposed to do today write the excuses with the correct preterite form like i know what that is of HACER,IR,PODER,SER or TENER paquito fuiste a la biblioteca verdad? ay no mama no ________ 1

    asked by Marie
  19. Government Check

    1.)Which of the following is an example of the formal amendment process? a)The gradual expansion of the President's war-making power as commander-in-chief =b)The 1920 change to the Constitution that gave women the right to vote c)The 1954 Supreme Court

    asked by Ariel
  20. Government Check

    1.)What is the defining right of a representative democracy? The right to petition the government =The right to vote The right to freedom of religion The right to a jury trial 2.)Slavery was prohibited by _____. the Bill of Rights the Constitution =the

    asked by Ariel
  21. economics

    Is your school currently producing at capacity? What considerations might inhibit full capacity utilization?

    asked by shan
  22. Calculus

    Find all critical points of the function. f(x) = xe^3x so x= ? Show steps or tell me how I find them?

    asked by Nancy
  23. Mathematics: Pre-cal

    Consider a rectangular bathtub whose base is 12 ft^2. At what rate is water pouring into the tub if the water level rises at a rate of 0.9 ft/min? Please show steps. (I want to know how)

    asked by Rebecca
  24. chemistry

    why is unecessary to measure precisely 25.00mL of unknown acid into the beaker?

    asked by Jetta
  25. alg

    Multiply: 12m^5 / -2m^2 * 6m^6 / 28m^3 a) 9m^5 / 7 b) -9m^5 /7 c) 9m^6 / 7 d) -9m^6 / 7 d

    asked by sean
  26. alg

    simplify the rational expression x^2 - 81 / x^2 + 18x + 81 a) x - 9 / x + 9 b) x + 9 / x + 9 c) x + 9 / x - 9 d) x - 9 / x - 9 a

    asked by sean
  27. Chemistry

    A balloon has a volume of 2.75 liters at 25 degrees celsius. What would the balloon's volume be if the temperature is raised to 95 degrees celsius and the pressure remains constant?

    asked by gary
  28. chemistry

    Chlorine dioxide, ClO2, has been used as a disinfectant in air conditioning systems. It reacts with water according to the following equation. ... HCl If 142.0 g of ClO2 is mixed with 33.0 g of H2O, how many grams of which reactant remain if the reaction

    asked by Cynthia
  29. writing

    Can someone tell me if these are the correct verb tense? Education played a good part of successful financial planning. (Past) 2. I have some good ideas from the financial planning classes. (Present) 3. Education will play a good part of successful

    asked by Deb
  30. college

    A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

    asked by april
  31. English

    Can you please check if the following sentences are ok? Thank you in advance. 1) "Express your regret for the following situations using a wish construction". Example: I didn't study for the test. I got a bad mark. I wish I had studied for the test. 2)

    asked by Franco
  32. Biology

    what happens to co2 levels with increasing sugar concentration?

    asked by Kelly
  33. math

    A 16-ft ladder is sliding down a wall as shown in the figures below. The variable h is the height of the ladder's top at time t, and x is the distance from the wall to the ladder's bottom. Suppose that the top is sliding down the wall at a rate 5 ft/s.

    asked by Jacob
  34. Geometry

    Which is the hypotenuse-leg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of

    asked by Superman
  35. trig

    What is the angle B? Given that A=46 degree b=4 c=8

    asked by Bobby
  36. college

    the relationship between farenheit and celsius temp can be approximated by an equation of the form y=mx+b where x is degrees farenheit and y is degrees celsius. find the equation if the two ordered pairs that satify this equations are (50,10) and (86,30)

    asked by tonya
  37. high school

    according to jean piaget, in what is all learning based?

    asked by trina
  38. English

    I hope I don't bother u guys by explaining to me what hubris means in A Connecticut Yankee in King..etc Just a few examples would be really helpful

    asked by my teacher may be watching this site so no name
  39. chemisrty

    If 55.0 grams of KCIO3 is decomposed by the following equation, how many grams of oxygen can be produced? 2 KCIO3 > 2 KCL + 3 O2

    asked by gary
  40. physics

    The grath is a plot of work versus time. The power can determined from a)the xaxis, b)yaxis, c)the slope of curve,d)are under the curve, e)radius of curve

    asked by Anonymous
  41. geometry

    If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal? its talking about a right triangle.

    asked by Superman
  42. physics

    A big yo-yo(radius .2m, mass 20kg) has a string wrapped about its circumference. If yo-yo falls, how far does it fall in 2 seconds? (The yo-yo is shaped like a disk)

    asked by jeff
  43. chemistry

    a graduated cylinder weights 64.376g empty.when i measure 30.0mL into it weights 89.98g.what is the density of the liquid? 64.376g-89.98g=25.604g then i 25.604/30.0=.853

    asked by Jetta
  44. math

    I need to find what 0.10 is a percentage of 0.72. and what 0.10 is a percentage of 0.62. Please help asap!!!!!

    asked by shaista
  45. English

    What does "leave his 'second best bed' to his wife" mean? I could not understand that phrase. May someone please help me? Thanks in advance.

    asked by KL
  46. Government Check

    4got this one Which amendment applies the protections of the Bill of Rights to the States? First Fifth Tenth =Fourteenth

    asked by Ariel
  47. Government HELP

    This one is tricky to me Even if they are listed in the Constitution, the rights of the American people _____. =are all listed again in the Bill of Rights must be enforced by the government in order for people to actually exercise them are all unenumerated

    asked by Ariel
  48. physics

    a ring rotates ar 30rad/s and has a radius of 3m and a mass 0f 100kg. If a disk(mass=40kg and with a radius of 4m) is dropped on the ring so the centers are aligned, what will be the resulting rotational speed of the ring-disc combination?

    asked by jason
  49. Law - O.J.

    Why was O.J. Simpson acquited in the trial that occured in the mid-90's? He didn't actually kill the 2 victims himself, did he?

    asked by AL 92
  50. math 6th grade

    You have 15 yards of ribbon for your gift boxes. each box gets the same amount of ribbon. How much ribbon will each box get

    asked by Lauren
  51. algebra

    Describe the values for x that may not be appropriate values even when they are defined by your classmates’ function

    asked by Jackie
  52. physics

    A bothersome feature of many physical measurements is the presence of a background signal (commonly called "noise"). In Part 2.2.4 of the experiment, some light that reflects off the apparatus or from neighboring stations strikes the photometer even when

    asked by anna
  53. science

    how making inferences help the scientist in their discoveries?

    asked by anthony
  54. math..probabilities

    After three tosses of a fair die, which is more likely to come up: three distinct digits (e.g. 1,2,3), or three digits with at least one repeat (e.g. 1,2,1)? Distinct digits is more likely At least one repeat is more likely They are the same Cannot

    asked by M.A.
  55. algebra 2

    Lisa Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds that of the 7.2% investment?

    asked by Shakeria
  56. Math

    1. State whether f (x) = x^-1 has a minimum value, maximum value, or neither on the following intervals. Select all that apply. (a) (0, 3) (b) (1, 3) (c) [1, 3) Need Help.

    asked by Jessie
  57. teaching

    How do program and state standards for teachers promote professionalism in teaching?

    asked by crystal
  58. alg

    Divide: p^2 + 4p - 5 / p^2 + 7p + 10 * p + 4 / p - 1 a) p + 2 b) p + 2 / p + 4 c) p+4 / p+2 d)2 Just need to know if my answer is right or wrong and the answer i picked was c

    asked by sean
  59. alg

    Multiply: 8r + 16 / 24r - 24 * 6r - 6 / 3r + 6 a) 2/3r b) 2/3 c) 2 d) 2(r + 2) / 3r b

    asked by sean
  60. business

    The ABC Company purchased a solar powered electrical generator on March 9, 2005 for $1.5 million. At that time, it was estimated that the generator would have a useful life of 20 years and a salvage value of $50,000. Over its life span, it was estimated

    asked by suman
  61. English

    I forgot to include the following statements. I really hope you can have a look at them, too. 1) Are you excited about your holidays? 2) I'm not ashamed of what I did. I'm quite proud of it. 3) What have I done wrong? Why are you annoyed with ( at?) me?

    asked by Franco
  62. Corp Fed Tax

    Question Details: Gail and Mark from Sap Corp with the following considerations: Consideration Transferred Basis to Fair Market Number of Transferor Value Shares Issued From Mark Cash $50,000 50,000 installment obligation 140,000 250,000 30 From Gail Cash

    asked by Jessica
  63. English

    I have to explain what the terms below are within the framework of the study of texts: - Representation -Appropriation -Tranformation -Textual Intergrity

    asked by Nia
  64. 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 Anonymous
  65. business law

    What is the chronological order of the major legislation that makes up the history of employment law in this country?

    asked by Debbie
  66. geometry

    A 30degrees-60degrees-right triangle is half of what other kind of triangle?

    asked by Superman
  67. alg

    what are the non-permissible value for the rational expression (x^2 + x -6) / (x^2 + x -12)? a) x = 0 and x = -2 b) x = 0 and x = -4 c) x = 2 and x = -3 d) x = 3 and x = -4

    asked by sean
  68. music

    what kind of tip would you give me to do for counting the notes on the staves?

    asked by patsy
  69. earth science

    If all matter is made up of the same atoms from the periodic table, is there a big difference between living organisms and non living objects? why or why not?

    asked by Jessica
  70. PHYSICS

    If a car hs kinetic energy KE and if its speed increases by 41% what does the kinetic becomes

    asked by Anonymous
  71. math

    what is the decimal notation of 23 over 8

    asked by Roger
  72. Business

    Explain three benefits of conducting an external analysis

    asked by naaz
  73. EARTH SCIENCE

    Do you foresee humans colonizing the planets and moons of our solar system in the long term future of our species? What kind of terraforming would be necessary to make this possible?

    asked by Anonymous
  74. algebra 1

    Which two of the four equations represents parallel lines?

    asked by Arianna
  75. algebra

    6x-8y=-16 8y-6x=16

    asked by kelly
  76. chemisrty

    When 50.0 ml of 1.00 M KOH is reacted with 50.0 ml of 1.00 M HCL, the temperature rose from 20.0 degrees celsius to 28.7 degrees celsius. What is the heat generated by this neutralization? (Assume that the density of the two 1 M solutions is 1.00 g/ml and

    asked by gary
  77. physics

    An elevator of mass M rises a distance H in time T and acquires potential energy PE. If it rises the same distance in half the time the increase in potential energy will be?

    asked by Anonymous
  78. Fed Tax

    Locust Corp desires to set up a distribution facility in a southern state. After consideration negotiations with a small town in Alabama, Locust accepts the following offer: land (fair market value of $3 million) and cash of $1 million. a) How much gain,

    asked by Jessica
  79. mat 116 algebra

    function and function notation using the variable x and explain how we evaluate a function for a given x

    asked by faith10
  80. HCA 220

    I havnt received my textbook yet...can someone tell me what the condition of not feeling is? I know it has something to do with aesthesia but what is the correct word?

    asked by you know me...
  81. History

    what are hitlers qualities? xx

    asked by krisha
  82. Grade 11th Maths

    This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.

    asked by Akash
  83. Grade 11th Maths

    This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A⊂B, then prove that B'⊂A'

    asked by Akash
  84. Grade 11th Maths

    This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A-B=A then show that A∩B=Ø

    asked by Akash
  85. Grade 11th Maths

    This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø

    asked by Akash
  86. math

    how do i write $3,337.55 on a check in words on?

    asked by don
  87. statistics

    When you add the values 3, 5, 8, 12, and 20 and then divide by the number of values, the result is 9.6. Which term best describes this value: average, mean, median, mode, or standard deviation?

    asked by Anonymous
  88. statistics

    What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0? What is the median? what is the mean? What is the mode?

    asked by Anonymous
  89. computers

    hl=en&lr=&as_qdr=all&ei=pAQqTJXuBsP38AaSnPTRCA&q=how+does+an+information+system+work+what+are+its+people+organizational+and+technological+components+List+and+describe+the+people+organizational+and+technological+components&start=10

    asked by marty