Questions Asked on
July 12, 2014

  1. CHEMISTRY

    The solubility of KClO3 in 25 oC is 10 g solute per 100 g water if 15 g of KClO3 is embedded in 100 g water in 25 oC , then , what is the amount of KClO3 that can be dissolved ? is the solution unsaturated , saturated , or super saturated ? thank you

    asked by MAD
  2. US Government

    In the beginning of our nation seats were reapportioned after the first three years, but today we reapportion seats in the House every 10 years. A) True B) False

    asked by Casey
  3. chemistry step bystep thank a lot

    10L of hard water required 5.6g of line for removing hardness. Hence temporary hardness in ppm of cac03. The answer 1000 ppm= 1mg/1L cac03 = 100 g/mol who solve it for me clearly step by step Thank a lot all tutors

    asked by ken
  4. mathe

    Show that a right-circular cylinder of greatest volume that can be inscribed in a right-circular cone that has a volume that is 4/9 the volume of the cone.

    asked by ali
  5. material balance

    Wet air containing 4.0 mole% water vapor is passed through a column of calcium chloride pellets. The pellets adsorb 97.0% of the water and none of the other constituents of the air. The column packing was initially dry and had a mass of 3.40kg. Following

    asked by xavier
  6. science

    how fast would a "jet" fish have to swim to create an "aquatic" boom?

    asked by duane
  7. chemistry step by step for me clearly

    Al2(s04)3 solution of a molal concentration is present in 1 litre solution of 2.684g/cc. How many moles of bas04 would be precipitated on adding bacl2 in excess. The answer 6M I want some tutors to explain for me step by step clearly. I do not still

    asked by ken
  8. PHYSICS

    a ball is dropped from rest at 25m above the ground. how fast is it moving at 10 m above the ground and b) how much time does it take to reach the ground? no air resistance.

    asked by EMMA
  9. science

    Why when you look at a window from the inside at night, two similar images, one behind the other, are often seen?

    asked by duane
  10. Math

    There are 7 red skittles, 15 green skittles and 3 blue skittles in a bag.You reach into a bag and pick a skittle. You then put it back into the bag. You then reach into the bag and pick a skittle. What is the probability that you chose 2 green skittles?

    asked by Aspen
  11. RE: ALGEBRA

    Given 25x^2 - 10x = 0, which values of x will satisfy the equation? (Hint: Factor the polynomial into two terms, and find the values of x that will make each term 0.) A. x = 0 and x = 5/2 B. x = 0 and x = 2/5 C. x = 0 and x = 2 D. x = 0 and x = 5

    asked by Emma
  12. exam

    calculate the heat of formation of methane Ch4(g) is its heat of combustion is-780kjmol-1. the heat of formation ofCo2(g)and H2O(l) are -388kjmol-1 and -360kjmol-1respectively.

    asked by nay
  13. science

    what happens when you cut a bar magnet in half? if it were continually cut in half, then would it finally yield two magnetic monopoles?

    asked by duane
  14. physics

    1. which of the following is not true about magnetic field lines a) mag. field lines flow from North to South inside the magnet b) mag. field lines do not cross c) mag. field line density is proportional to field strength d) mag. field is strongest closest

    asked by Liz
  15. math

    Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 156 feet, and ball 2 is dropped from a height of 202 feet. Write a function for the height of each ball. h1(t)=159+t h2(t)=202+t

    asked by pmh
  16. Math

    There are 7 red skittles, 15 green skittles and 3 blue skittles in a bag.You reach into a bag and pick a skittle. You then put it back into the bag. You then reach into the bag and pick a skittle. What is the probability that you chose 2 green skittles?

    asked by Aspen
  17. Math

    A boat sails 40km from point A to point B, east of A on a lake. Lodge P is south of point A. Another lodge Q is south of point B. The bearing of Q from point A is S52degresE and the bearing of P from B is S39degresW. If P is 60km from Q, calculate the

    asked by Christopher
  18. chemestry

    What is the energy of the photon emitted when the electron in a hydrogen atom drops from energy level E5 to energy level E2?

    asked by christine
  19. babysitting

    5) Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans? A. Orange juice or other forms of Vitamin C B. Milk products or eggs C. Tea D. All of the above E. B and C 6) Which vegetable would

    asked by alexis
  20. Math

    Use the equation of the regression line to predict y when x = 20. x - 5 8 6 10 12 9 y - 18 20 15 25 30 25

    asked by Shelagh
  21. physics

    The escape velocity on the moon is: a) 5.64x10^6 m/s b) 1.68x10^3 c) 160 m/s d) 2.38x10^3 m/s

    asked by Liz
  22. Accounting

    I have completed all of my assignment except this one last question. I am having a heck of a time figuring out where to even start. Can anyone help me? The comparative year-end balance sheets of Sign Graphics, Inc., revealed the following activity in the

    asked by Lois
  23. English

    1. I am sure that he will succeed. 2. I'm not sure that he will succeed. 3. I'm not sure if he will succeed. -------------- Are all grammatical? is 'that he...' a noun phrase or an adverbial phrase? Is 'if he will...' a noun phrase or an adverbial phrase?

    asked by rfvv
  24. physics

    Background knowledge: For cars traveling along dufferin,the speed is 60km/h. The distance to cross the intersection is 34m. Assume the length of a typical car is 4.5m. For safety reasons, the Ministry of Transportation recommends that vehicles stop with an

    asked by saarah
  25. Algebra

    Given 25^2-10x=0, which values of x will satisfy the equation? (Hint: Factor the polynomial into two terms, and find the values of x that will make each term 0.)

    asked by Emma
  26. Math

    Part of the stage decoration is a "fan" shape and is to be covered with a white cloth. If the radius of the fan is x+3 and its area is 198 meter squared, what is the dimension of the fan?

    asked by Jonel
  27. Math

    Suppose that a pizza must fit into a box with a base 12"X 12" square. Use the quadratic function A= (pi)(r^2) to find the area of a pizza in term of its radius

    asked by Jonel
  28. Grammar

    Hi there, I am stuck on some Grammar questions, and need some help. 1. When are you having Jamie's surprise party? A. "When are you" is the complete subject. B. "You having Jamie's surprise party" is the complete subject. C."Jamie's surprise party" is the

    asked by N.
  29. Math

    The average amount customers at a certain grocery store spend yearly is $784.39. Assume the variable is normally distributed. If the standard deviation is $76.15, find the probability that a randomly selected customer spends between $712.05 and $932.88.

    asked by Shelagh
  30. PHYSÝC HELP

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

    asked by SUZAN
  31. science

    the speed of sound in air is given for still air. how would wind affect the speed? what would happen if you shouted into the wind?

    asked by duane
  32. science

    if the Moon's spherical surface gave specular reflection, what would it resemble at full moon?

    asked by duane
  33. Hunting training

    12. Which of the following statements is false? A. In a hunting test, a dog competes against a standard of perfection rather than against other dogs. B. A hunting test is a non-competitive event. C. Hunting tests are available for pointing breeds,

    asked by Anonymous
  34. Hunting training

    19. Which of the following is a reason for dismissing a dog from a lure coursing event? A. Interfering with the run of another dog B. Refusing to return to the handler C. Starting before the tally-ho is sounded by the huntmaster D. Failing to run I picked

    asked by Anonymous
  35. Math

    Assume a data set is normally distributed with mean 182 and standard deviation 30. If the data set contains 600 data values, approximately how many of the data values will fall within the range 122 to 242?

    asked by Shelagh
  36. physics

    Would the answer be c? The electrical potential 10 cm from an electron is: a) 1.4x10^-8 V b) 1.4x10^-10 V c) 1.4x10^-7 V d) 1.2x10^-4 V

    asked by Liz
  37. physics

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

    asked by Lema
  38. English

    1. Don't you get lonely being on your own all day? 2. Don't you get lonely because you are on your own all day? (Does #1 mean #2?)

    asked by rfvv
  39. English

    1. The earth moves around the sun. 2. The earth moves round the sun. (Which one is grammatical? Are both OK? Which one is commonly used?) 3. When does the movie come out in DVD? 4. When will the movie come out in DVD? (Which one is correct?) 5. I'm not

    asked by rfvv
  40. BABYSITTING

    Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans? A. Orange juice or other forms of Vitamin C B. Milk products or eggs C. Tea D. All of the above E. B and C PLZ HELP ME I THINK IT IS E.

    asked by EMMA
  41. Math

    Determine whether a correlation coefficient of r = 0.471 is significant at the 5% level for a sample size of 20.

    asked by Shelagh
  42. Math

    Find the area under the normal distribution curve between z = 0.35 and z = 2.95.

    asked by Shelagh
  43. English

    What bird is the symbol of peace? 1. A dove. 2. A pigeon. (Are both OK? Is the answer only #1? What is the difference between 'dove' and 'pigeon'?)

    asked by rfvv
  44. Math

    I know that I posted this already but my question has not been answered.. Solve in the exact form. Original problem: (sqrt of 4x+1)+(sqrt of x+1)=2 4x+1 + 2√(4x^2+13x+3) + x+3 = 4 Where does the 2 come from according to the equation above?? This 2:----->

    asked by Anonymous
  45. English (Grammar)

    Hi, I need some help some questions from my Grammar homework. Decide which of the following words should be capitalized: 1. elizabethan drama my answer: Elizabethan Drama 2. life in new york city my answer: life in New York City 3. civil war (not sure if

    asked by N.
  46. Math

    One side of a triangle is 5cm more than the other and 2cm less than the hypotenuse. Find the lengths of the 3 sides?

    asked by Jonel
  47. CHEMISTRY

    Dye of iodine is prepared by dissolving in ethanol , and 1% ( one percent ) of this solution contains 10 g of solute in 1000 g of solution 1) how many grams of solvent is there in the solution ? 2) how many moles of solute ( I2) is there? 3) what is the

    asked by MAD
  48. math

    Commuters were asked how many times a week they stop for coffee on their way to work. A survey found a mean of 3 times a week with a standard deviation of 0.55. Find the probability that the sum of 100 values is more than 290.

    asked by brewser
  49. math

    If the tax on an item is $16 and jerry wanted to buy two how much would the two items cost without the tax? Hint: Tax is 20% of the cost of the item.

    asked by Olivia
  50. MATH

    WHAT IS THE FOUR DISIT NUMBER WHOSE GREATEST AND SMALLEST NUMER ,DISITS ARE NOT REAPTING BUT UNIT DISIT 1.

    asked by HARDEV
  51. babysitting

    which vegetable would cause the blood glucose to increase more ? please answer me

    asked by Dylan river
  52. US Government

    The Senate is refered to as a continuos body, because not all Senators are up for re-election all at the same time. Instead, 1/3 of all Senators are up for re-election every 2 years. Meaning that about 33 seats are up for election in 2004, 33 different

    asked by Casey
  53. hunting training

    3. AKC Retriever field trial Derby stakes are open to which of the following dogs? A. Retrievers older than two years of age B. Retrievers younger than two years of age C. Retrievers that go directly to birds D. Retrievers that know how to do a blind

    asked by Anonymous
  54. Hunting training

    20. Which Best of Breed winner may not compete for Best in Field in lure coursing events? A. Greyhound B. Italian Greyhound C. Whippet D. Basenji I picked B

    asked by Anonymous
  55. Dynamics

    The acceleration of a perticle as it moves along a straight line is geven by a=(2t-1) m/s2. If x=1m and v=2m/s when t=0s, determine the particle's velocity and position when t=6s. Also, determine the total distance the particle travels during this time

    asked by Dynamics Problems
  56. Math

    An aptitude test has a mean of 300 and a standard deviation of 40. The test scores are normally distributed. If 1000 people take the test, find the number of people who will score between 280 and 360.

    asked by Shelagh
  57. Grammar

    I need help choosing between the correct words. 1. Mastery of English rules (lead, leads) to improvement in speaking and writing. **leads 2. Each of the runners (try, tries) to outdo the other. **tries 3. Nicole likes to play the piano, to march in the

    asked by N.
  58. Math

    Find the area under the normal distribution curve between z = 0 and z = –0.35.

    asked by Shelagh
  59. Math

    The average hourly wage of employees of a certain company is $14.58. Assume the variable is normally distributed. If the standard deviation is $3.99, find the probability that a randomly selected employee earns less than $9.79.

    asked by Shelagh
  60. math

    Fred earns $56 a week. 0.0613 of his pay is taken out for Social Security. To the nearest cent how much is taken out each week?

    asked by Johnny
  61. statistics

    the heights of the "basketball fans" at a highly anticipated basketball game.

    asked by Anonymous
  62. PHYSÝC

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

    asked by LOLA
  63. algebraic expression

    Warren is driving to phoenix with three other people . It will take them h hours . If they divide the driving time up evenly, how many hours will Warren drive? thank you.

    asked by S. Fuentes
  64. probability

    consider the experiment of the rolling a pair of fair dyes 1white and the other red are the events (a)doubles is rolled (b)The red is shown two or three,independ

    asked by pooja
  65. maths

    solve the following equation x=4/5(X+10)

    asked by cbse 8th
  66. maths needed fastly

    solve the following equations x=4/5(x+10) 2x/3+1=7x/15+3 2y+5/3=26/3-y 3m=5m-8/5

    asked by cbse 8th
  67. English

    1. I studied math for 10 years, but I'm still not good at it. 2. I have studied for 10 years, but I'm still not good at it. (Which one is grammatical? Do we have to sue the present tense or the present perfect tense here?)

    asked by rfvv
  68. English

    1. Some like summer and others like winter. 2. Some like summer and the others like winter. 3. Some like summer and another likes winter. 4. Some like summer and the other likes winter ----------------- #1 and #2 are right? Right? What about Sentence 3 and

    asked by rfvv
  69. math

    if f(x)=x[x]/sin[x] then show that lim f(x)has no existence x>0

    asked by soumitra
  70. electric circuit

    a 12 V battery is made of 36 cells each rates at 2V and 1.5 A for a given duty cycle. what is the line current and power that may be drawn from the battery? Tnx :)

    asked by Anne
  71. Math

    A swimming pool is to be constructed with a condition that its length must be twice its width. If the width of the pool is 2x+2 and its volume is 216 meter squared when its 2 meters deep. What is its dimensions?

    asked by Jonel
  72. maths

    Given(3x+3)/(6y+1)=3,find the value of7x/3y.

    asked by olivia
  73. math

    if a car Tyre has a 20 inch radius, how many revolutions per second would this car have to generate to arrive at 150 km/h speed.

    asked by wandile
  74. PHYSICS

    a swimmer develops an average of 200 watts in a distance of 100m in 80 seconds. what is the force resistance in the water?

    asked by Nolan
  75. Criminal Justice/Social Impact of Technology

    __________ theories hold that certain actions or practices are inherently right or wrong. A. Consequentialist B. Utilitarian C. Deontological E. Ethical I think it's C.

    asked by Pat
  76. Education/College

    In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?

    asked by Cathy
  77. algebra

    Find the slope and the y-intercept of the line. 9x + 5y=56

    asked by sharon
  78. science

    why do the tones sound full and rich when you sing in the shower?

    asked by duane
  79. math

    how do you go from dv/(v+2)(v-1) to -(1/3)/(v+2) + (1/3)/(v-1) dv?

    asked by sally
  80. science

    how would you go about locating the magnetic north pole assuming it were still on land?

    asked by duane
  81. hunting training

    2. Which of the following statements is true? A. Field trials are noncompetitive events. B. Field trials are open only to retrievers and pointers. C. Field trials are open only to dogs that have a conformation championship. D. Field trials are competitive

    asked by Anonymous
  82. hunting training

    7. Which of the following is not a characteristic of a good field trial or hunting test dog? A. Finding birds or other game B. Good scenting ability C. Running at the sound of a shot D. Retrieving downed birds from land or water picked A

    asked by Anonymous
  83. Ultimate medical academy

    What are at 10 least factors which have influenced healthcare?

    asked by Angel
  84. Math

    Assume a data set is normally distributed with mean 11 and standard deviation 3. If the data set contains 30 data values, approximately how many of the data values will fall within the range 8 to 14?

    asked by Shelagh
  85. Math

    Find the area under the normal distribution curve between z = –0.10 and z = 3.20.

    asked by Shelagh
  86. Math

    Find the area under the normal distribution curve between z = 0 and z = 3.20.

    asked by Shelagh
  87. Math

    Find the area under the normal distribution curve to the left of z = –1.50.

    asked by Shelagh
  88. Math

    Find the area under the normal distribution curve to the left of z = 2.35.

    asked by Shelagh
  89. Math

    Find the value for the correlation coefficient r. x - 21 30 25 24 29 y - 49 41 31 36 39

    asked by Shelagh
  90. Math

    Suppose the average size (in square feet) of homes in a certain region is 1747. Assume the variable is normally distributed with standard deviation 220. If a person in the region was intending to build a 1890 square foot home but downsized and built a 1274

    asked by Shelagh
  91. Math

    Use the equation of the regression line to predict y when x = 11. x - 2 4 3 5 1 y - 9 12 11 14 6

    asked by Shelagh
  92. Math

    The average hourly wage of employees of a certain company is $14.24. Assume the variable is normally distributed. If the standard deviation is $3.27, find the probability that a randomly selected employee earns more than $18.98.

    asked by Shelagh
  93. Math

    Find the equation of the regression line. x - 12 14 10 9 15 8 y - 29 35 28 23 36 18

    asked by Shelagh
  94. Math

    Find the equation of the regression line and predict y when x = 2.5. x - 1 5 4 2 3 6 y - 25 5 10 20 15 5

    asked by Shelagh
  95. physics

    If the electric field near a proton is 9.00 x 10^-3 N/C, what is the distance from the proton?

    asked by Liz
  96. algebraic expression

    linda spends d dollars. Then she spends 15 dollars more. How many dollars has Linda spent in all?

    asked by S. Fuentes
  97. physics

    Would the answer be a? Which two forces balanced in the Millikan oil drop experiment a) electric and gravitational b) electric and magnetic c) magnetic and gravitational d) none of the above

    asked by Liz
  98. algebraic expression

    Laurie Ann works 8 hours a day. Ken is leaving town for 6 days . How many cups of food will the cat eat while Ken is gone?.

    asked by S. Fuentes
  99. college algebra 1

    Order the fraction in each set frim least to greater 2/7,6/7,2/3,1/7,5/7

    asked by dongz sacal
  100. social psychology

    people direct their attention to those aspects of what they see that stand out rather than blend. this is called ?

    asked by Anonymous