Questions Asked on
August 6, 2012

  1. chemistry

    How many moles of HNO3 are present if 0.236mol of Ba(OH)2 was needed to neutralize the acid solution?

    asked by Anon
  2. chemistry

    A volume of 100mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M NaOH to the reaction flask. Classify the following conditions based on whether they are before the equivalence point, at the

    asked by Anon
  3. math

    if log (x) = -0.123, what does x equal?

    asked by Loralei
  4. Dynamics

    A car travels around a horizontal circular track of radius 45m.If the car increases its speed at a constant rate of 1.2m/s2 starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s2. What is its speed at this instant?

    asked by ROHIT
  5. heath

    What are some benefits to asking for help? A. You may discover that others have had similar problems B. Asking for help is never beneficial C. People can get into your personal matters D. All of the above B?

    asked by Aya
  6. Health

    What are common causes of long-term stress? A. Money problems B. Having an argument C. Too much to do and not as much time D. All of the above D?

    asked by Aya
  7. MATH

    mike car traveled 237 miles on 7 9/10 gallons of gas, how many miles per gallon did he achieve? i multiply 7 by 10 and add 9 which my equation 237/1 x 79/10 and then got stuck, please help

    asked by @@@KEA
  8. Chemistry

    Please help me explain How a nuclear reaction differs from a normal chemical reaction and give examples.

    asked by Elie
  9. Math

    Brian rode his motorbike for 3 hours at 50 miles per hour and then rode the next 200 miles in 5 hours.What is the total distance he traveled? a)150 b)190 c)250 d)350 e)1150

    asked by Grace
  10. health

    If not effectively managed, stress can lead to ¬¬¬¬________. A. Fulfillment B. Drug and alcohol abuse C. Ulcers D. All of the above B?

    asked by Aya
  11. Math

    Suzie’s Silk Scarves is a start-up that sells high quality scarves out of a boutique store. The monthly rent of the store is $1,500 and Suzie has one manager who runs the store and earns $3,000 per month. She leases out a computer and other equipment for

    asked by JoyW
  12. Stastistic

    Finde the mean , variance , standard deviation N-127, P=0.66

    asked by David
  13. math

    need to make a venn diagram using 3 circles. A survey on subject being taken by 250 students at a certain college revealed the following info: 1. 90 were taking math 2. 145 were taking history 3. 88 were taking english 4. 25 were taking math and history 5.

    asked by kyle
  14. math

    what is math

    asked by sarah
  15. chemistry

    A volume of 100mL of a 0.800 M HNO3 solution is titrated with 0.640 M KOH. Calculate the volume of KOH required to reach the equivalence point.

    asked by LL
  16. Calculus

    Solve the differential equation dy/dx = -xe^y and determine the equation of the curve through P(1,2) I tried solving the differential equation and I get y = log(x^2/2 + C). Is this correct? Now I forgot how to find the equation. Thank you!

    asked by Robert
  17. physics

    A steel bowl has a mass of 14 kg and will displace a volume of 0.17m^3. What is the extra mass that can be added to the bowl before it will sink when floating in water of density 1000kg m^-3 ?

    asked by Rizal
  18. math

    592 divided by 8

    asked by zayne
  19. Biology

    Explain the importance of an arthropod’s exoskeleton. In your explanation, be sure to address how is it able to grow tens of times larger than it was at birth, even though it has an exoskeleton. Also discuss at least two benefits of an exoskeleton as

    asked by Anonymous
  20. math

    A bag of fruit weighs 0.84 kilograms. How can you write 0.84 as a fraction in simplest form?

    asked by tyquasia
  21. Chemistry

    Draw Lewis Structure for BrO3^- The textbook answer involves a central Br atom with one lone electron pair and five shared pairs (two double bonds and one single bonds). This gives Br twelve electrons rather than the typical eight. I understand that some

    asked by Parker
  22. to ms.sue project

    this is what it says for the paper: You will create a trait flipbook based on a character from the book Holes. You will need two sheets of 8 1/2 by 11 – inch white construction paper, scissors, a stapler, and colored pencils or crayons for this

    asked by Celest
  23. early childhood dev.

    Discuss the challenges teachers might face in orchestrating play for children with special needs. Be specific and provide examples. Summarize your findings.

    asked by Renee
  24. health

    Why is having excessive abdominal fat a serious concern? A. Because it places you at a greater risk for developing obesity related illnesses B. Because it places you at a lower risk for developing obesity related illnesses C. Because it places you at a

    asked by Aya
  25. chemistry

    determine the solubility product of the slightly soluble salt calcium oxalate,cac2o4 by titrating 200cm^3 sample of a suturated solution of this salt with 0.00135mol dm^3 HCl solution.calculate Ksp?

    asked by promise
  26. health

    What is physical stress? A. A physical reaction of the mind to various triggers B. A physical reaction to the heart to various triggers C. A physical reaction of the body to various triggers D. A physical reaction of the soul to various triggers What is

    asked by Aya
  27. Health

    What is stress management? A. Controlling and reducing the tension that occurs in stressful situations B. Controlling and reducing the tension that occurs in peaceful situations C. Controlling and reducing the happiness that occurs in peaceful situations

    asked by Aya
  28. HEALTH!

    What does it mean to relax with deep breathing? A. Inhale slowly through the nose, hold breath for a few seconds and exhale through the mouth B. Inhale slowly through the mouth, hold breath for a few seconds and exhale through the nose C. Inhale quickly

    asked by Aya
  29. College Algebra

    Find all zeros of the following polynomial. Write th polynomial in factored form. f(x) = x^4 - 256

    asked by Kameesha
  30. to ms.sue project

    so if i use construction paper, its the same length as the copy paper? but if i use construction paper, wont it be hard to write on?construction paper is kinda rough.

    asked by Celest
  31. Calculus AB/AP

    Use the rectangles with the given dimensions to approximate the area of the region in the first quadrant bounded by the graphs of y = 4 – x2 , y = 0, and x = 0. 4 _ 3|_|-. 2|_|-|-. 1|_|-|_|_ |_|_|_|_| 1 2

    asked by Pam
  32. Fitness And Nutrition

    Which one of the following weight management plans is the most effective? *A. One that can be followed over the course of a lifetime B. One that requires specialty foods, such as canned drinks C. One that causes a person to lose a lot of weight in a short

    asked by Ariyan
  33. Math

    Find the amount of compound interest earned in an account that opens with $27,000, earns 5.8% interest compounded daily, and is held for 5 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

    asked by Kay
  34. Vocabulary

    In order to change the meaning of the word teach from "to give instruction" to "to give instruction with" you would add the prefix

    asked by Anonymous
  35. medical transcription

    The young appearing patient went to the doctor's office.

    asked by susan
  36. Math

    Angela's aunt put aside $15,000 for her MBA graduation present on March 31, 2001. As an incentive, the aunt invested the funds in Italy, Australia, and China at 3% per year. The funds were divided equally with $5,000 converted to each local currency on

    asked by JoyW
  37. Math

    Acme Manufacturing produces a variety of window coverings, e.g., an assortment of blinds, shades and shutters. State and define three financial measures/metrics that could be useful in making a decision to add a new product line, such as bamboo blinds.

    asked by JoyW
  38. Financial management

    Im having a little trouble can someone please help me. Im not sure if my answers were right or what the rest would be. 1. _________C__________ is the interest rate in which NPV equals zero. a. Required Rate of Return b. Annual percentage rate (APR) c.

    asked by Christian
  39. physics

    Two pellets, each with a charge of 1.0 microcoulomb (1.0×10−6 ), are located 4.0 (4.0×10−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?

    asked by julie
  40. Calc AB

    How do you simplify: (x^(3/2))(x+x^(5/2)-x^2)

    asked by Em
  41. law/421

    When the local customs and laws conflict with the customs and laws of an organization operating abroad, which should prevail? Explain why.

    asked by amt
  42. early childhood dev.

    Summarize your findings that teachers might face in orchestrating play for children with special needs

    asked by Renee
  43. Physics

    A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk at 2.0 m/s, also to the east. If Sally’s mass is 65 kg, what is the speed of the boat as she walks along?

    asked by Chad
  44. math

    i am trying to figure out how much in interest would u have paid out on 18,000$ if u paid it out over five yrs at 11%

    asked by sandi
  45. to ms.sue project

    i just searched my house and went to the store but there is no white construction paper that is 8 1/2 by 11 inch. is it ok if i just use copy paper?

    asked by Celest
  46. algebra

    Kiesha buys pens and notepads. Pens come in packs of 10. What is the minimum number of packs of each that she needs to buy in order to have an even number of each with none left over?

    asked by Jaquita Bell
  47. math

    Richard took a loan of $10,000 at a rate of 5%. If he paid $2,500 in interest, how many years did it take him to pay back the loan?

    asked by mandi
  48. math

    Which teams won less than of their games? b. Which teams won more than of their games? c. Which teams won just under of their games?

    asked by gea
  49. Physics

    A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0O angle (above the horizontal) toward center field. (a) Determine the impulse (in N.s) acting on the ball. (b) If the impact time is 0.00080 s,

    asked by Chad
  50. Math

    If a girl had completed 4 pages of homework everyday for 7 days how many pages of homework did she complete in all

    asked by Makenzie
  51. chemisty

    How many moles of Ba(OH)2 are present in 295mL of 0.800M Ba(OH)2?

    asked by LL
  52. basic statistics

    What is construct a 95 percent confidence interval about the sample mean N= 11?

    asked by Tracy
  53. Chemistry

    If an oil molecule is 100*10^-10m in diameter,then can 10^24 molecules fit exactly in a cube 1m on a side? Please help me answer this showing working out.

    asked by Elie
  54. Chemistry

    A hydrocarbon gas burned completely in O2 to give CO2 and H2O. It was found that 1volume of a hydrocarbon gas at STP produced 2volumes of CO2 and 3 volumes of steam at STP. What is the emperical formula of this gas? Please help me on how to work out the

    asked by Elie
  55. math

    . Richard took a loan of 10,000 at a rate of 4%. If he paid $16,00 in interest, how many years did it take him to pay back the loan?

    asked by lawana
  56. math

    If the surface area of a cube is 150e2 what is the volume of the cube?

    asked by Grace
  57. Trigonometry

    Prove that sin^2(Omega) - Cos^2(Omega) / tan(Omega) sin(Omega) + cos(Omega) tan(Omega) = cos(Omega) - cot (Omega) cos (omega)

    asked by Anonymous
  58. aig math (please answer Ms.Sue)

    other than the digit 3, what is a number that could belong in the box? 1'3=1___ "1'3" is in exponents my answer is 1 am i right if not tell me why

    asked by lidia
  59. Growth and phsical development

    can anyone help me out i have an assingment and need to identify growth and physical charateristics identifed and them also in action

    asked by Kendra
  60. math

    How do I work out the problem 7/9x3/5= what.

    asked by Anonymous
  61. math

    a diving board is 4 feet above a pool that is 15 feet deep. The total length of a person's dive is 10 feet. How many feet below the surfac of the water did the person dive

    asked by joe
  62. math

    How do I work out the problem 5.2x 3.4= what.

    asked by Anonymous
  63. Calculus - Riemann Sum

    Given a function f(x) = squr(3 + 2x), on [-1,1], subdivided into 4 equally large intervals, calculate the Riemann sum SR4 = 4Ei=1 f(xi)delta(x). my attempt at the solution: [-1,1], a = -1 and b = 1 delta(x) = 1 - (-1)/n = 2/n xi = a + delta(x)i xi = -1 +

    asked by Robert
  64. Reading

    I am reading this book called "The Last Book in the Universe" and I have to answer some questions and one of the questions asked : (chapter 2) What happened in the big times that changed the way people live? What do we call this phenomenon? Can you explain

    asked by Sara
  65. english

    Explain How Sean's Feelings Toward Vid And His Hobby Changed During The Beginning Middle And End Of The Story '' Stuck In Storage''

    asked by marisol
  66. Business

    Compare and contrast possible compensation plans for the Food service manager and a reservation manager?

    asked by love
  67. Trigonometry

    Prove that sin^2(Omega) - Cos^2(Omega) / tan(Omega) sin(Omega) + cos(Omega) tan(Omega) = cos(Omega) - cot (Omega) cos (omega)

    asked by Anonymous
  68. math

    alex has twice as much money as jennifer. jennifer has $6 less than shannon. together they have $54. How much money does each have?

    asked by lee
  69. english

    Compare and contrast possible compensation plans for the Food service manager and a reservation manager?

    asked by love
  70. chem lab question

    1. This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More

    asked by joan
  71. physics

    A rubber ball filled with air has a diameter of 21.7 cm and a mass of 0.523 kg. What force is required to hold the ball in equilibrium immediately below the surface of water in a swimming pool?

    asked by SAUCEDO
  72. physics

    A rubber ball filled with air has a diameter of 21.7 cm and a mass of 0.523 kg. What force is required to hold the ball in equilibrium immediately below the surface of water in a swimming pool?

    asked by SAUCEDO
  73. chemistry question on fats

    . This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More

    asked by joan
  74. math

    how do I work out the problem 5.2x 3.4= what.

    asked by Anonymous
  75. calculus

    if log (x) = -0.123, what does x equal?

    asked by Elias
  76. Chemistry

    Can somebody help me calculate the energy released when 1g of uranium 235 undergoes fission reaction.Explain each step when the mass of particles are given as: 235U92 = 235.04u , 142Ba56 = 141.92u and 92Kr36 =91.92u. Im stuck on these calculations.Pls

    asked by Elie
  77. math

    Thanks Ms. Sue for the website. My answer is 5.2x 3.4= 17.68

    asked by Math Geek
  78. Physics

    A block of mass m 1 sits at rest on a table over a hole in the table. From below the table, a bullet of mass m 2 is fired vertically upwards into the block. The bullet imbeds itself in the block. The block and bullet rise to a maximum height h. What is the

    asked by Jason
  79. Physics

    An air-hockey puck of mass m floats across the table essentially frictionless on a cushion of air. This puck bumps nearly head-on into a second puck that has 3 times the mass, moving in the opposite direction but with the same speed, v i , as the lighter

    asked by Joe
  80. math

    How do I work the problem 5lb.-13oz.= what. Ms.Sue if you answer this question I'm sorry for bothering you so much.

    asked by Math Geek
  81. social studies

    what are the traditions of cheetri caste?

    asked by saloni basnet
  82. Math

    What is the limit of cosx/log(x-phi/2+1) if lim x is to phi/2

    asked by Anzi
  83. science

    1) - Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a

    asked by brianna
  84. science

    An element emits one alpha particle, one positron, and three beta particles. Its atomic number.... decreases by 2 decreases by 1 stays the same increases by 1 increases by 2

    asked by Jan
  85. Maths

    If Q(x)=x^2 for x less than or equal to 1 =ax+b for 1

    asked by Jiskhaa
  86. geometry

    A rectangular pyramid has the same height and base of a rectangular container where volume is 300 m^3 (cubic meter). what is the volume of that rectangular pyramid?

    asked by riza
  87. math

    Dear Ms.Sue is the answer to 5lb.-13oz. 67oz. By the way your helping my future,I want to be a math and science teacher.

    asked by Math Geek
  88. Organic Chemistry

    1a. When sodium benzyloxide is reacted with excess acetic anhydride it produces benzyl acetate and byproducts. What are those byproducts? If extracting with dichloromethane, what could be added to the aqueous layer to sequester the byproducts? Which layer

    asked by Tasneem
  89. Math

    If x-1/3y=3, then the value of 3x-y-6=? a) 15 b) 9 c) 6 d) 3 e) 0

    asked by Grace
  90. geometry

    A rectangular container is 5 cm. wide and 12 cm. long and contains water to a depth of 7 cm. A stone is placed in the water and the water rises 1.7 cm. Find the volume of the stone.

    asked by Anonymous
  91. Chemistry

    A hydrocarbon gas burned completely in O2 to give CO2 and H2O.It was found that one volume of hydrocarbon gas at STP produced two volumes of CO2 and three volumes of steam corrected at the same temperature and pressure. What is the emperical formula of

    asked by Elie
  92. geometry

    A right prism has a square base. The perimeter of the base is 24 m. and the height is 10 m. What is the surface area

    asked by Anonymous
  93. Math

    The acceleration of an object g = -9.8 m/s^2. From the top of a building of 245 m., an object is thrown upwards at an initial velocity of 12m/s (a) What is the function for the velocity of the object? I put vf^2 = Vi^2 + 2a(yf-yi) vf^2 = 216.09 + 19.6 (yf

    asked by Paul
  94. Chemistry

    I have a 40 ml solution of pH 4.36. I need to make this solution at pH 8.5 by adding extra 10 ml of HCl and NaOH. Thanks

    asked by AAA
  95. mit math

    Odometer. A Ford SUV comes standard with rims (which correspondes to a tire with diameter). Suppose you decide to later upgrade these tires for rims (corresponding to a tire with diameter). If you do not get your onboard computer reset for the new tires,

    asked by nikko
  96. Elementary Algebra

    How do you solve by elimination this linear equation? 8x-3y=-6, 5x+6y=75

    asked by Wanda
  97. calculus

    find one point on the graph of y= x+2cosx such that the tanget is horizontal

    asked by kenisha
  98. Elementary Algebra

    I need help setting this problem up? AT&T one rate 10cents nation wide direct plan for $2.99 a month plus 10cents per minute. Quest 5cent long distance plan for $4.99 per month plus 5cents per minute. For what number of minutes per month will the two plans

    asked by Wanda
  99. chemistry

    describe a prepare a 0.25 L.0.5 mol standart solution of NaoH

    asked by bihah bi
  100. physics

    In a hydraulic piston, the small piston has a diameter of 2cm and the large piston has a diameter of 6m. How much more force can the larger piston exert compared with the force applied to the smaller piston?

    asked by nick
  101. MAth

    I am having trouble solving this problem. Q - One mile is 5280 feet. Justin has a stride of 32 inches. How many steps will he take to run a 26-mile marathon. I tried 5280 x 32 = 168,960 incorrect. 5280 x 26 = 137,280 divided by 32 = 4290 incorrect.5280

    asked by SARA
  102. math

    Brett took a loan of 25,000 at a rate of 8%. After 4 years what is the interest he had to pay?

    asked by Anonymous
  103. paper

    is an 8 1/2 by 11- inch white construction paper the same as an 8 1/2 by 11- inch white copy paper?

    asked by Celest
  104. health

    What does it mean to change your body image? A. It means changing what you eat B. It means changing how much you eat C. It means changing the way you think about your body D. It means losing weight to fit a Barbie doll-like image C??

    asked by Aya