Questions Asked on
May 31, 2014

  1. Chemistry

    A sulfuric acid solution that is 65.0% H2SO4 by mass has a density of 1.55 g/mL at 20°C. What is the mass of h2so4 per liter of solution?

    asked by Veronica
  2. Solution and colloids

    Which pairs of liquids are likely to be miscible? a. H2O and CH3OH b. H2O and C6H6 c. C6H14 and CCl4 d. CCl4 and CH4OH

    asked by Kan
  3. Chemistry

    What is the mass percent of an aqueous sodium hydroxide solution in which the molality of NaOH is 6.25m? The density of the solution is 1.2219 g/mL

    asked by Veronica
  4. Chemistry

    How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution is 1.22 g/mL.

    asked by Veronica
  5. History

    Ms. Sue please help! 1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? (5 points) a dramatic increase in women's participation in the workforce a shift in social attitudes brought on

    asked by Austin
  6. math

    a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.

    asked by comfort
  7. Maths

    Ax=b-cx.make x the subject of the formula

    asked by Brighton madakwenda
  8. geography

    What are the 5 themes of geography for los angeles, california? **do you have any sites to suggest to find the 5 themes of geography**

    asked by thalia
  9. Statistics/I am confused

    The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 115 and a variance of 25. The material is considered defective if the breaking strength is less than 105 pounds. What is the probability that a single,

    asked by Mary Ann
  10. physics

    A stone is projected vertically to reach a maximum height 'h'. The ratio of kinetic energy to potential energy at a height 4h/5 is 1) 5:4 2) 4:5 3) 1:4 4) 4:1

    asked by aaa
  11. math pls help!!!!!

    these are the few i don't know/im not sure. pls help! The distance from Newtown to Oldtown on the highway is (6x^2 + 2x – 2) miles. Using the back roads, the distance is (5x^2 – 8x – 6) miles. How many miles shorter is the second route? A. 11x^2 +

    asked by zumai
  12. physics

    Consider a pulse of laser light aimed at the Moon that bounces back to Earth. The distance between Earth and the Moon is 3.84 * 108 m. Show that the round-trip time for the light is 2.56 s.

    asked by Peg

    The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.

    asked by Anonymous
  14. intro to computers

    A user calls the help desk and says she cannot install a Windows application on her Windows 8 computer because she is being denied. What is the most likely reason?

    asked by sam
  15. Grammar Help

    Choose the sentence that contains no error in capitalization or punctuation. "Now, wait just one moment!" Mr. Symond insisted. "Now, Wait just one moment!" Mr. Symond insisted. "Now, wait just one moment"! Mr. Symond insisted. "Now, wait just one moment"

    asked by Janon
  16. Physics

    A solid rubber ball has a diameter of 8.0 cm. It is released from rest with the top of the ball 80 cm above a horizontal surface. It falls vertically and then bounces back up so that the maximum height reached by the top of the ball is 45 cm, as shown. 80

    asked by Jeevan
  17. Chemistry

    a sulfuric acid solution that is 65.0 h2so4 by mass has a density of 1.55 g/mL. What is the molality of sulfuric acid in this solution

    asked by Scott
  18. Statistics/ is this how I do it.

    Find the range and the standard deviation (correct to two decimal places). 83,96,100,100,103 find the range and standard deviation Do I that 5 numbers add that divide by 5 for the range I am not sure how to do standard deviation. Thank you

    asked by Mary Ann
  19. math 1 question!!!!!!

    3. Which ordered pair is NOT a solution of y= –12x – 3? A. (-3, 33) B. (8,-98)

    asked by Anonymous
  20. Chemistry

    Fish breathe the dissolved air in water through their gills. Assuming the partial pressures of oxygen and nitrogen in the air are to be .20 atm and .80 atm respectively, calculate the mole fractions of oxygen and nitrogen in the air dissolved in water at

    asked by Rachel
  21. algebra

    4. A triangle has vertices (–2, –3), (3, 5), and (8, –1). a. Write a matrix expression to represent reflecting the triangle across the x-axis. Evaluate the matrix expression and list the coordinates of the vertices of the transformed figure.

    asked by me myself and i
  22. English

    Traditional African marriage is an advantage for men only not women

    asked by winnie
  23. Law

    1. What is a roving wiretap? A. A wiretap that does not need a warrant B. A wiretap that can cover international phone use C. A wiretap that does not have an expiration time D. A wiretap that covers multiple phone lines is it A 2. A survey of police chiefs

    asked by Amy
  24. Chemistry

    At 20°C, an aqueous solution that is 18.0% by mass in ammonium chloride has a density of 1.0512 g/mL What is the molarity of ammonium chloride in the solution?

    asked by Veronica
  25. america gov

    Which of the following goods would you guess that the American colonies did not export to England?

    asked by nan
  26. math

    Which is a rule that describes the translation of a point form (4, –8) to (7, –10)? A.(x,y)--->(x+34,y-2) B.(x,y)--->(x+34,y+2) C.(x,y)--->(x-34,y-2) D.(x,y)--->(x-34,y+2) My answer:B

    asked by Anonymous
  27. Chemistry

    Chemistry and engineering topics how chemistry relates to engineering for my 10 page research paper

    asked by Mario Garcia
  28. Algebra 1--Please, check my answer!

    Solve. 1. ((3)/(s-6)) = ((4)/(s)) + ((1)/(2s))

    asked by Victoria
  29. Algebra 1

    Solve. 1. ((3)/ (s-6)) = ((4)/(s)) + ((1)/(2s))

    asked by Victoria
  30. Statistics

    A class obtained the following scores on a test. Test Score TestScore Frequency 90 1 80 6 70 10 60 3 50 2 40 3 What I did was 90+6(80)+7(10)+3(60)+2(50)+3(40)=1040 than divided by 25 which should give me the means it give me a fraction, I got the median

    asked by Mary Ann
  31. algebra

    A pet boarding facility wants to build two adjacent pens of equal size. They are using the length of the dog kennel as one side of the two pens. They have 324 feet of fencing to build the pens. What width should he make the pens to maximize the total area

    asked by Samantha
  32. physics

    A 3 kg object traveling 6m/s east has a perfectly elastic collilsion with a 4kg object traveling 8 m/s west After the sollision, the 3 kg object will travel 10 m/s west a. What was the total momentum before the collision? b. What is the total momentum of

    asked by Manuel
  33. statistics

    A sample of n= 4 scores has SS equals 48 what is the estimated standard error for the sample mean

    asked by Jamie
  34. Pre-Calculus

    if cos theta =7/13, where 0

    asked by Jessica
  35. Chemistry

    If 56 mL of 1.93 M hydrochloric acid is mixed with water to create a solution with a concentration of 0.9 M , how many liters of water were added?

    asked by Mikay
  36. romeo and juliet

    can you help me on y,m post that i have posted earlier i just need that and im done please

    asked by reina bonilla Please Help
  37. math

    how much is a 1/2?

    asked by Elina
  38. math

    can you help me on this problem 12*12

    asked by Elina
  39. english

    1. I stayed there for two weeks. 2. I stayed there two weeks. Are both grammatical? my sister needs help

    asked by Elina
  40. history

    10 examples of prejudice or bigotry

    asked by Anonymous
  41. history

    10 examples of racism/white supremacy.

    asked by kate
  42. Science

    Hello! I need help on this one question. I know that the Earth's gravitational force pulls the train towards the ground, but I do not understand how the other forces act on it. Explain how gravitational, electrical, and magnetic forces act on a maglev

    asked by Amy
  43. Science

    Hello! I am having some trouble with this one question. I know that the Earth's gravitational force pulls the train towards the ground, but I do not know how the other forces act on the train. Any help is super appreciated:) Q: Explain how gravitational,

    asked by Amy
  44. chemistry

    What is the significance of atomic nuclear decay? What is your analysis on the societal implications of using this process?

    asked by slomomo
  45. social studies

    How does earth climate change and tectonics plates impact Latin Americans inhabitats

    asked by Saige
  46. math(urgent)

    During a Merdeka Day celebration,a furniture company marked down the price of a queen size bed by 25%,selling it for $1200. At this reduced selling price,they made a markup of 10% on the selling price. a) find the regular price of bed before marked down.

    asked by fizz
  47. Algebra 1--Please, check my answer!

    Solve. 1. ((3)/(a-4)) = ((a) / (a-2)) A: a = 6 or a = 1

    asked by Victoria
  48. Physics

    A shell is fired from the ground with an initial speed of 1.54 ✕ 103 m/s at an initial angle of 52° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range. (b) Find the amount of time the shell is in motion.

    asked by anonymous
  49. math

    how many minutes from 11:35 am till 12:50 pm?

    asked by lucy
  50. Algebra 1-- Explain How to Solve

    Add or subtract. Simplify your answer. 1. (x^2 + 8x)/ (x - 2)/ (3x + 14)/ (x - 2) A: ? 2. (2t)/(4t^2) + (2)/(t) A: ? 3. (m^2 - m - 2)/ (m^2 + 6m +5) - (2)/(m + 5) A: ?

    asked by Victoria
  51. Algebra 1

    Multiply. Simplify your answer. 1. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 2. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (This the correct expression. There is no typo.) A: ?

    asked by Victoria
  52. Economics

    What are the costs and consequences of providing the subsidies and welfar?

    asked by Sbusiso
  53. English

    1. Do you know the man standing at the gate? -------------------- What does 'the man' mean? a. a male person b. either a male person or a female person

    asked by rfvv
  54. Englsih

    1. He waited for the plane reading a newspaper, 2. He waited for the plane while he was reading a newspaper. 3. He waited for the plane while he read a newspaper. ----------------------------- Does #1 mean #2 or #3? Which one is similar to #1, #2 or #3?

    asked by rfvv
  55. math

    Bridget Morrow is a sophomore at State College and is running out of money. Wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?

    asked by tota
  56. math

    The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided

    asked by Kathy
  57. physics

    6. Two particles are moving with a constant speed v such that these are always at a constant distance d apart and their velocities are equal and opposite. After what time do these return to their original positions

    asked by Anonymous
  58. physics

    7. The speed of a man with and against the water currents in a river are 15km/h and 5km/h respectively. Find his speed in still water and the speed of the water currents.

    asked by Anonymous
  59. english

    10 rhyme word

    asked by monty
  60. Ela

    I'm writing a legend on why turtles have shells .. What should I write about ???

    asked by Anabelle
  61. romeo and juliet

    theme: revenge method: forshadowing this happens when Tybalyt sees romeo and promises reevnge right? "I will withdraw, but this intrusion shall / Now seeming sweet convert to bitter gall" what are two more example of this?

    asked by reina bonilla
  62. Finance

    I am borrowing $ 10,000 for 5 years at 7% . Payments are made on a monthly basis and are determined using the add- on method. 1: How much total interest will I pay on the loan if I held it for the full 5 year term ? 2 : What would my monthly payments be

    asked by Joyce
  63. biology

    How does insulin and glycogen help maintain homeostasis in one's body ?

    asked by gilberry
  64. math

    gail borrowed $3600 from a bank to buy a washing machine she pays back the loan in 24 monthly instalments at a simple interest rate of 2% a)calculate the simple interest on the loan b)the total amount to be repaid c)if gail repays the loan in 24 equal

    asked by John
  65. American History

    Which of the following statements is most accurate regarding America's political climate between 1876 and 1896? A. Southern states tended to vote Republican. (B.) The influence of the president over Congress diminished. C. The party that won the

    asked by Vicky
  66. math

    If I make 600$ every 14 seconds, how long would it take me to get 1,000,000$?

    asked by josh
  67. romeo and juliet

    can you check my essay i'm still not done i need only one more body paragraph and the ocnclusion

    asked by reina bonilla
  68. math


    asked by nick
  69. Math

    Rectangular cake pans X and Y are similar. The ratio of the width of pan X to the width of pan Y is 3 : 4. The length of pan X is 10 inches, and its width is 5 inches. What is the perimeter of pan Y ?

    asked by Miki
  70. Algebra 1--Please, check my answer!

    Add or subtract. Simplify your answer. 1. ((2t)/(4t^2) + (2)/(t)) A: 5/2t

    asked by Victoria
  71. Law

    Each of the following is a duty or responsibility of the United Nations EXCEPT: A. Promote respect for human rights B. Fight terrorism and drug trafficking C. Assist refugees D. Consumer protection in the United States is it D

    asked by Amy
  72. Psychology

    I wanted to know if someone could give me an example of hypotheses for a 2 x 2 factorial anova

    asked by Student
  73. Chemistry

    the solubility of 1-butanol in water is 7.9g per 100g of water. What is the maximum amount of 1-butanol that will dissolve in 5.9g of water

    asked by Veronica
  74. reading romeo and juliet

    theme: revenge method: verbal irony only 3 examples

    asked by reina bonilla
  75. Physics

    Please Help I have no idea how to approach this problem In a "Rotor-ride" at a carnival, people rotate in a vertical cylindrically walled "room." If the room radius was 5.7m , and the rotation frequency 0.35 revolutions per second when the floor drops out,

    asked by Diana
  76. Physics.

    A 500 g block lies on a horizontal tabletop. The coefficient of kinetic friction between the block and the surface is 0.25. The block is connected by a massless string to the second block with a mass of 300 g. The string passes over a light frictionless

    asked by Lissa.