Mona

Most popular questions and responses by Mona
  1. chem

    what is the balanced equation for aqueous zinc chloride and aqueous sodium chromate? Is it, ZnCl2+NaCrO4-->ZnCrO4+NaCl2 and how do I know if it is reactive or not?

    asked on October 11, 2015
  2. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Plaese help!!!!!

    asked on November 13, 2013
  3. math

    Mary and Peter had a total of Rs 480.After Peter spent Rs 20, he had 3 times as much as Mary.How much did Mary have?

    asked on December 9, 2012
  4. Chemistry 104

    A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?

    asked on May 8, 2014
  5. chem

    Consider the reaction: CO(g)+Cl2(g)⇌COCl2(g) Keq= 2.9×1010 at 25 ∘C A 5.89 −L flask containing an equilibrium reaction mixture has [CO]= 1.9×10−6 M and [Cl2]= 9.3×10−7 M . How much COCl2 in grams is in the equilibrium mixture?

    asked on June 5, 2016
  6. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!

    asked on November 13, 2013
  7. Geometry-8th gr

    Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m

    asked on January 31, 2013
  8. Physics

    A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball horizontally at 8.50 m/s, (a) how fast must the dog run to catch the ball

    asked on February 13, 2018
  9. Programming in Python

    A customer in a store is purchasing five items. Design a program in python that asks for the price of each item, and then displays the subtotal of the sale, the amount of the sales tax , and the total. Assume the sales tax is 6 percent.

    asked on September 7, 2012
  10. chemistry

    How many grams of sodium chloride are needed to prepare 250 mL of a 2% solution?

    asked on March 9, 2011
  11. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!

    asked on November 14, 2013
  12. Maths

    Two poles 13m and 18m high stand upright on a playground if their feet are 12m apart find the distance between their tops

    asked on November 5, 2014
  13. moral science

    UNSCRABLE THESE WORD..ineisfsirdne; htotvulfhgrsen

    asked on December 10, 2014
  14. Math

    The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?

    asked on July 24, 2011
  15. chemistry

    Consider a mixture of , albumin solution, and starch solutions in a dialyzing bag. The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the dialyzing bag in

    asked on October 16, 2013
  16. chemistry

    Each of the following is placed in a dialyzing bag and the bag is then immersed in distilled water. Which substances will be found outside the bag? Check all that apply. NaCl solution albumin solution starch solution

    asked on October 17, 2013
  17. chemistry

    How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution?

    asked on October 18, 2013
  18. calculus 1

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on March 25, 2010
  19. physics

    An RV travels 45 km east and stays the night at a KOA. The next day it travels for 3 hours to the north, traveling 110 km. What is the displacement over the two days for the RV? Please help, thank you!

    asked on August 29, 2012
  20. Geometry

    In the triangle, angles ABC and ADE are right angles. If AC = 35, AE = 11, and BE = 10, then what is AD?

    asked on March 29, 2015
  21. chemistry

    Referring to the following reaction: Pb(NO3)2 (aq) + Na2SO4 (aq) -->PbSO4 (s) + 2NaNO3 (aq) A solution of 0.114 M Pb(NO3)2 with a volume 10.6 mL is added to 12.4 mL of a solution of 0.105 M Na2SO4. Calculate the number of grams of PbSO4 that will form. I

    asked on May 6, 2015
  22. physics

    A body is projected vertically upwards with a speed of 40 m/s.Find the distance travelled by body in last second of upward journey?(g=9.8m/s2 neglect effect of air resistance)

    asked on May 30, 2014
  23. science

    A uniform disk with radius 0.320m and mass 28.0kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. The angle through which the disk has turned varies with time according to è(t)= (1.20rad/s)t +

    asked on June 9, 2014
  24. Chemistry 104

    The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.

    asked on May 8, 2014
  25. fine art

    How are the elements of art used in the artwork titled "winged genie fertilizing a date tree?"

    asked on April 9, 2015
  26. Math

    Ethan's quiz average in spelling for the past 7 quizzes is 93. How many total points does he have for the 7 quizzes?

    asked on September 19, 2017
  27. Algebra

    x -1 -1 -2 -2 y 0 -1 2 3Part A: Does the table represent a relation that is a function? Justify your answer by using the values shown in the table. (4 points) Part B: The function f(h) shown below represents the number of tennis matches Diana won each

    asked on May 6, 2014
  28. math

    A car that weighs 15,000 N is initially moving at 60 km/hr when the brakes are applied. The car is brought to a stop in 30 m. Assuming the force applied by the brakes is constant, determine the magnitude of the braking force

    asked on February 7, 2018
  29. physics

    A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 36 and is 50.0 long. Estimate its speed when it reaches the bottom. Assume friction coefficint Mk=0.18.

    asked on March 15, 2012
  30. epidemiology

    A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is

    asked on May 21, 2011
  31. Calculus

    I don't understand how to get q for this problem? The next steps for the problem, you just need to plug q in, but I'm not sure what to do? Do you set revenues equal to expenses? Problem: Revenue is given by R(q) = 750q and cost is given by C(q) = 6000 +

    asked on November 10, 2016
  32. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.

    asked on November 12, 2013
  33. Grade 2 english

    What is the hidden word in the letters below:- aeeilnnstv Thanks

    asked on February 16, 2010
  34. Statistics

    A 10 question test is all multiple choice. Each question has four choices. Determine the mean number of questions answered correctly as well as the standard deviation for the number of correct answers if someone were to guess on all ten questions. So far,

    asked on March 27, 2016
  35. mrr high school

    Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.

    asked on January 2, 2015
  36. chemistry

    If the thyroid test requires 3.2mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine-131 solution?

    asked on November 1, 2013
  37. penn foster

    what should you do if you find a bone or foreign matter in your food after you've already put it in you mouth?

    asked on March 13, 2010
  38. english

    what is the prefix for dismayed.

    asked on October 28, 2009
  39. chemistry

    Which term has the same numerical value for the forward reaction as it has for the reverse reaction, but with opposite sign? a. ^E ( delta E) b. Ea1 c. Ea’ d. Ea2

    asked on December 13, 2014
  40. epidemiology

    A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is

    asked on May 20, 2011
  41. quantitative maths

    in a race A beats B by 100m. the ratio of their speeds is 5:4 . what is the length of the racecourse?

    asked on December 7, 2014
  42. calculus 1

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on March 25, 2010
  43. science(chemistry)

    Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. 1) K and P

    asked on November 13, 2009
  44. dynamics of catering

    john is a caterer who encourages his staff to make suggestion on work procedures and frequently incorporates their thoughts into his management program. what kind of management style does john exhibit?

    asked on March 13, 2010
  45. Science

    improper functioning or regulations of which of the following might lead to poor regulation of membrane permeability? albumin, fibrinogen, platelets, lymphocytes, chloride ion levels

    asked on July 22, 2008
  46. aps rk puram .math

    Q=if a three 3 digit units digit tense digit hundreds digit are in the ratio 1:2:3.if the difference of original number and the number obtained by reversing the digit is 594.find the no.

    asked on September 15, 2016
  47. Math

    The right triangle has an angle of 53 degrees. The opposite side is 6.4cm long. What is the adjacent ?

    asked on May 26, 2016
  48. math

    Jay is going to cover his kitchen floor with tiles that are each 1 square foot. The floor is shape in a rectangle that is 4 feet wide and 9 feet long. How many tiles are needed to cover the floor.

    asked on March 23, 2016
  49. Geometry-8th gr

    IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.

    asked on January 31, 2013
  50. math

    Eight-twentieths of a ton is how many hundredths of a ton?

    asked on July 13, 2010
  51. GRADE 5 -MATHS

    USE MENTAL MATH TO ADD OR SUBSTRACT: USING COMPATIBLE NUMBERS 1. 80+79+20 2. 308+95+5 3. 480+255+20 4.365+289 5. 523-198 6. 537+180 7. 325+239+75 8. 87+38+62 9. 4500-280

    asked on September 21, 2009
  52. French

    It is customary to greet someone on the street with "allo." Is this true or false? Please help! Connections Academy

    asked on April 11, 2018
  53. Geometry-8th gr

    Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

    asked on February 1, 2013
  54. Geometry-8th gr

    The perimeter of triangle ABC is 120. LIne segment BD bisects

    asked on February 1, 2013
  55. social studies

    How is the physical geography of northern Europe connected to the economies of northern Europe?

    asked on January 26, 2012
  56. englis 3

    my garden is full of water, because of yesterday"s rain.

    asked on October 25, 2010
  57. Physics

    a transverse wave on a string has a period of 0.1 s and an amplitude of 1 cm. What is the maximum transverse acceleration at any point along the string?

    asked on November 15, 2016
  58. Calculus

    log (base 3) x^2 = 2log(base 3)4-4log(base 3)5 And I need to solve for x.

    asked on July 6, 2015
  59. History

    How did imperialism in Africa and Asia, and the value of the U.S. exports in 1870-1920 increasing support a policy of the Open Door?

    asked on August 14, 2014
  60. Geometry-8th gr

    The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.

    asked on January 31, 2013
  61. physics

    1. If m1= 3kg and m2= 2kg then find acceleration and tension action on the system. 2. A batsman deflects a ball by an angle 45 degree without changing its initial speed which is equal to 54km/hr.What is the impulse imparted to the bal.(mass of the ball is

    asked on August 14, 2012
  62. Algebra

    solve the amount of money (in cents) of x quarters and (x+6) dimes the value of a quarter is 25 cents and a value of a dime is 10 cents

    asked on November 29, 2011
  63. ALGEBRA- MATH

    Avery paid $168 for a cell phone. What was the original price of the phone if he got it at a 30% discount?

    asked on November 1, 2011
  64. math

    Find the area of each circle and round to the nearest tenth. radius= 3 and two thirds

    asked on March 7, 2011
  65. math

    Find the distance around and the area of each figure. Round to the nearest tenth. quarter circle: 5 inches

    asked on March 7, 2011
  66. math

    Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

    asked on March 7, 2011
  67. 2nd grade english

    What is the hidden word in these letters. tiningtesre Thanks.

    asked on March 8, 2010
  68. Grade2 eng

    What is the hidden word in these alphabets? abbceeru Thanks

    asked on February 8, 2010
  69. GRADE 5 MATH

    USE MENTAL MATH TO ADD OR SUBSTRACT: 1. 80+79+20 2. 308+95+5 3. 480+255+20 4.365+289 5. 523-198 6. 537+180 7. 325+239+75 8. 87+38+62 9. 4500-280

    asked on September 21, 2009
  70. ALGEBRA

    I need help with two problems to finish my assignment. #1 The length of a rectangle is fixed at 29cm. What widths will make the perimeter greater than 86 cm? If I could get the equation for this I would be able to figure it. I saw this one posted and no

    asked on May 3, 2009
  71. English

    What's the conflict in the poem of A voice by pat mora?

    asked on March 3, 2016
  72. Is this right?

    Between 1857 and 1903, the United States acquired many new territorial possessions around the globe. Why do you think so many of these new possessions were islands located in the Pacific Ocean? So that they could stop their ships there and refuel them.

    asked on August 14, 2014
  73. science

    Draw a free body diagram to show the relationship of forces on a 200 kg boulder resting on a 15degree incline. Include the magnitude of the force applied by an aadvark as it holds the boulder in place.

    asked on May 3, 2012
  74. Math

    Determine a relationship between the x- and y- values in the equation {(0,1), (1,0), (2, -1), (3, -2)}. Write an equation......y=?

    asked on March 20, 2012
  75. social studies

    If you had to move to a Northern European country, how would you decide which country you would move to?

    asked on January 26, 2012
  76. statistics

    Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval to estimate the population mean is

    asked on April 25, 2011
  77. Math

    if x = 10 what is 3x² - x + 14 ?

    asked on April 12, 2011
  78. number patterns

    mrs brander has 30 tomato plants .she wants to plant the same number of plants in each row of her garden.explain how she could decide the number of rows to plant

    asked on October 20, 2010
  79. number patterns

    joshua is raising fruit flies for a science project.at the begining of the first day,he had 4 fruit flies,his fruit flies double in number each day.how many fruit flies does he have at the end of three days

    asked on October 20, 2010
  80. math

    three-fourhs of a gallon is how many eighths of a gallon?

    asked on July 13, 2010
  81. math

    one thousand three hundred twenty feet are what part of a mile. Since there are 5,280 feet in a mile the answer will be 1/4 of a mile. how would you set this up in a fraction?

    asked on July 13, 2010
  82. 5th grade maths

    Choose a reasonable metric unit to complete each sentence and how did you do it. 1. 1 mile is about 1.6---- 2. 1 yard is about 1------ Thanks

    asked on May 3, 2010
  83. Advanced physics

    A child on a swing is traveling at 2 m/s as she passes through the lowest part of swing’s arc. What is the period of the motion?

    asked on November 13, 2016
  84. Physics 30

    A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the

    asked on January 23, 2016
  85. Physics 30

    A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the

    asked on January 23, 2016
  86. Maths

    a box contains 3 black balls , 7 white balls and 5 red balls . one ball is lost . the probability that a red ball is drawn is 2/7 . The colour of the lost ball is

    asked on July 14, 2015
  87. Geometry

    Points F, E, and D are on the sides line AB, line AC, and line BC, respectively, of right triangle ABC such that AFDE is a square. If AB = 12 and AC = 8, then what is AF?

    asked on March 29, 2015
  88. math

    Evaluate. 8 • [5 + (18 – 7)] ÷ 4

    asked on September 8, 2014
  89. TIme zones

    1. If its 12 noon in Greenwich time, what time is it in Moscow, Denver? I said 3 PM. 2. If its 2:30 PM in Abidjan, what time is it in the zone labeled +7? I put 9 PM In the zone labeled -4? I put 10 AM

    asked on August 14, 2014
  90. statistics

    A neuropsychologist is interested only in studying the most deviant portion of this population, that is, those individuals who fall within the top 10% and the bottom 10% of the distribution. She must determine the ages that mark these boundaries. What are

    asked on February 5, 2014
  91. Geometry-8th gr

    The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.

    asked on March 8, 2013
  92. Geometry-8th gr

    Can you please help me solve this question? Express the ratio x^2 + 4x -12/ x^2 - 4 in simplest form. Thanks.

    asked on February 1, 2013
  93. science (physics)

    A chairlift carries skiers to the top of a ski hill. If the chairlift does 180 kJ of work in 15s, what is the power of the chairlift?

    asked on May 18, 2012
  94. science

    During the shot put competition at a track and field meet, a shot putter transfers 245J of energy to a 7200g steel ball he is throwing. What is the velocity of the ball?

    asked on May 9, 2012
  95. confidentiallity in allied health

    when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?

    asked on December 13, 2011
  96. disease

    what is the relation between high Blood glucose level (not Diabetes) and Urinary tract infection.

    asked on September 19, 2011
  97. english macbeth

    i really nedd to know what i'm suppose to write in macbeth's theme superstition? i know that it's about the witches and their prophecies and apparitions and about banquo's ghost but what should i emphasize on??

    asked on May 27, 2011
  98. math

    Two of these statements are false. Identify them. 1.4x12>3x15 2.96/231+13 Answers: 1. 48>45 2. 4844 48

    asked on March 23, 2011
  99. Math

    Two of these statements are false. Identify them. 1.4x12>3x15 2.96/231+13

    asked on March 22, 2011
  100. Grade 2 english

    Hi What is the hidden word in the following letters- panirlea Thanks

    asked on February 22, 2010

Pages

  1. 1
  2. 2