Anita

Most popular questions and responses by Anita
  1. chemistry 100

    How do I disassociate Li2CO3 I have tried Li_2CO_3--> 2Li^+ + 3CO^2- What am I doing wrong?

    asked on December 13, 2012
  2. College Chemistry

    Which of the following ions possess a dipole moment: ClF2+, ClF2-, IF2+, or IF4-?

    asked on May 8, 2011
  3. chemistry

    •Which of the following solutions will be the best buffer at a pH of 9.26? (Ka for HC2H3O2 is 1.8 x 10–5; Kb for NH3 is 1.8 x 10–5.) a)0.20 M HC2H3O2 and 0.20 M NaC2H3O2 b)3.0 M HC2H3O2 and 3.0 M NH4Cl c)0.20 M NH3 and 0.20 M NH4Cl d)3.0 M NH3 and

    asked on January 4, 2015
  4. Inorganic Chemistry

    Which of the following ions possess a dipole moment: ClF2+, ClF2-, IF2+, or IF4-? Please Help! :)

    asked on May 8, 2011
  5. physics

    One gallon of paint (3.79 Liters) covers an area of 25.8 m2. What is the thickness (in mm) of the fresh paint on the wall.

    asked on August 30, 2012
  6. Finance 370

    suppose the market price of corn is $5 a bushel but the government sets a price of $7. As a result,

    asked on June 5, 2012
  7. Maths

    A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7}

    asked on January 4, 2016
  8. algebra (23)

    How do you set up this problem? A boater travels 16 miles per hour on the water on a still day. During one particular windy day, he finds that he travels 48 miles with the wind behind him in the same amount of time that he travels 16 miles into the wind.

    asked on November 9, 2007
  9. physical science

    how many centimeters long is the proverbial "10 foot pole?" show work

    asked on March 3, 2016
  10. Calculus

    1) Which are true about the differential equation dy/dx = (x)/(x-4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel

    asked on June 20, 2018
  11. chemistry

    a typical alberta home heated with natural gas assume methane CH4 (g) consuems 2.00ML of natural gas during the month of December. What volume of oxygen at SATP is required to burn 2.00ML of methane measured at 0 degrees and 120 kPa? the answer is 2.62ML

    asked on March 23, 2012
  12. Asteronomy

    If Taurus is now rising at sunset, which constellation will rise at sunset next month?

    asked on August 26, 2011
  13. Physics

    A pole AB of length 10.0m and weight 800N from the end A and lies on horizontal ground. The end B is to be lifted by a vertical force applied at B calculate the least force that is required to do this.

    asked on April 21, 2019
  14. physical science

    a flower pot is dropped out a twentieth story window. how fast will it be moving after 7 seconds? how much is the acceleration 3 seconds after it falls?

    asked on March 3, 2016
  15. PRE-ALGEBRA

    SOLVE EACH FORMULA. F=5GH FOR H

    asked on September 22, 2007
  16. Chemistry

    For how long must a current of 1.5 ampares be passed through an aqueous solution of a copper salt .during electrolysis in order to deposited 2.50g of copper (cu 63.5)?

    asked on June 4, 2019
  17. Chemistry

    Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. (a) Calculate the mass in grams of a quantum dot consisting of 1.400 104 atoms of silicon. (b) Assuming that the silicon in

    asked on June 1, 2010
  18. physical science

    a piece of metal has a mass of 85 cg and a volume of 450L. What is its density in g/cm^3? What would be the mass of 300cm^3 of this metal? What would be the volume of 200 ounces of this metal?

    asked on March 3, 2016
  19. Maths

    A soak away was dug by 5 men in 24 days. How many days will it take 15 men to dig it if they were to work at the same rate.

    asked on January 4, 2016
  20. Maths

    Solve the equation: 3x-2/8 = 8+5x/2

    asked on January 6, 2016
  21. math

    explain how you can use a number line to show that 3/6 and 1/2 are equivalent fractions?

    asked on March 3, 2015
  22. science

    Which of these is a pure substance? grape juice, salt water, table salt or gasoline?

    asked on September 15, 2008
  23. Calculus

    A girl throws a tennis ball straight into the air with a velocity of 64 feet/sec. If acceleration due to gravity is -32 ft/sec2, how many seconds after it leaves the girl's hand will it take the ball to reach its highest point? Assume the position at time

    asked on June 19, 2018
  24. PHYSICS helppp!!!

    A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and carries a current I. Find an expression for the vector magnetic field at the center of the loop

    asked on November 10, 2013
  25. algebra

    Annie and Ravi have two candles. One of them is one inch longer than the other. Annie lights the longer candle at 7:00 and RAvi lights the shorter candle at 8:30. At 11:00 the two candles are the same length. The shorter candle burns out at 12:30 and the

    asked on February 11, 2015
  26. chemistry

    a saturated solution of barium chloride at 30c contains 150g water. how much additional barium chloride can be dissolved by heating this solution to 60c

    asked on November 30, 2013
  27. math

    For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger rectangle to the length of the smaller rectangle is 7:5. What is the ratio of the area of the two rectangles?

    asked on February 11, 2015
  28. Physics

    Amy walks at an average speed of 1.75 m/s toward her airport gate. When she comes within 57.5 m of her gate, she gets onto and continues to walk on a people mover at the same rate. (A) If she arrives at the gate 15.3 seconds after getting on the people

    asked on January 8, 2015
  29. PHYSICS

    A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and carries a current I. Find an expression for the vector magnetic field at the center of the loop

    asked on November 9, 2013
  30. Chemistry

    What is the mass, in grams, of 4.56 1023 molecules of aspirin, C9H8O4?

    asked on June 1, 2010
  31. Math

    What value for function y=3cos(t-pi) + 2 gives an instantaneous rate of change of 0? a) 0 b) pi/2 c) pi/3 d) pi/4

    asked on January 19, 2012
  32. Com/330

    What are two practical applications for communications research?

    asked on March 2, 2013
  33. chemistry

    (a) The phase diagram of the binary system, neodymium-scandium (Nd-Sc) is given below. There are two polymorphs in the solid state: α which is hexagonal close packed (HCP) and β which is body-centered cubic (BCC). Identify all phases present at points 1,

    asked on December 17, 2012
  34. MATH

    PIGS HAVE 4 LEGS - CHICKENS HAVE 2 EACH ... IF YOU HAVE A TOTAL OF 50 LEGS ON 18 TOTAL ANIMALS HOW MANY CHICKENS AND HOW MANY ARE PIGS?

    asked on January 23, 2008
  35. chemistry

    Lead chloride dissolves in water according to PbCl2(s)↔Pb2++2Cl−(aq) The solubility in pure water has been measured to be 4.44 g⋅L−1. Calculate the solubility product of lead chloride in pure water. Your answer should be in units of molarity raised

    asked on December 17, 2012
  36. Business Plan

    How do I answer this question for a cleaning business . How will your business grow and where will you see your business in five years?

    asked on December 25, 2013
  37. math

    For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger is 7:5. What is the ratio of the area of the two rectangles?

    asked on February 11, 2015
  38. poetry, part 2

    hopkins use of seared, bleared, and, smeared is an example of?

    asked on March 14, 2011
  39. Managerial Accounting

    a ski company plan to add five new chai500 a day for the lift. the lifts cost 2 million and to install the lift cost another 1.3 mil.The lift will allow 300 additional skiers on the slopes but only 40 days a year will be needed. The company will sell 300

    asked on August 23, 2009
  40. algebra (21)

    A polot flies 630 miles wit a tail wind of 35 miles per hour. Against the wind, he flies only 455 miles in the same amount of time. Find the rate of the plane in still air.

    asked on November 9, 2007
  41. College Physics

    At what frequency does the inductive reactance of a 42.0 µH inductor equal the capacitive reactance of a 42.0 µF capacitor? kHz

    asked on November 30, 2013
  42. Maths

    Use log to solve 2.647*0.00921/0.05738

    asked on October 2, 2019
  43. Algebra

    In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra

    asked on January 11, 2010
  44. Maths

    The ratio of the corresponding sides of two similar triangles are 2:5.Calculate the area of the larger triangle if the area of the smaller triangle is 28 square.

    asked on January 4, 2016
  45. chemistry

    The fictitious compound, pandemonium carbonate Pn(CO3)2 hase a Ksp=3.091×10−9 M3 in water at room temperature. Calculate the solubility of Pn(CO3)2 in an aqueous solution of 1.11 M pandemonium sulfate Pn(SO4)2 (aq). Express your answer in units of

    asked on December 17, 2012
  46. chemistry

    When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find

    asked on April 7, 2010
  47. math

    kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!

    asked on September 28, 2014
  48. economic

    what is the total size of the cleaning market. what is the current demand in target market. trends in target market-growth trends,trends in consumer preferences and trend in product development. please help

    asked on February 21, 2014
  49. chemistry

    The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of the solubility product Ksp.

    asked on December 17, 2012
  50. statistics

    Using the numerical data for your team project, conduct a two sample, two-tailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null hypothesis

    asked on July 8, 2012
  51. Finance 370

    a bond that has a $1000 par value (face value) and a contract or coupon interest rate of 10.9%. The bonds have a current value of $1,120 and will mature in 10 years. The firm's marginal tax rate is 34%. The cost of capital from this bond debt is what

    asked on June 6, 2012
  52. chemistry

    Consider the gold-platinum system which has a value of delta w of -4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole.

    asked on December 17, 2012
  53. i dont know this word...reading a website

    what does omni-powerful mean?

    asked on November 10, 2008
  54. CHEM URGENT PLZ

    1.Which of these substances has bent molecular geometry around the oxygen atom? Multiple correct answer may apply. a.water b.isopropyl alcohol (rubbing alcohol)** c.acetone** d.diethyl ether. 2.Which of these species are polar? Ignore slightly polar C-H

    asked on May 9, 2008
  55. Home language

    What prefix you can add to the word represent

    asked on April 3, 2019
  56. maths

    Volume of prism 1296 cube cm height 16/√3cm find whole surface area.

    asked on January 19, 2015
  57. algebra

    Can someone show me how to set this up rational expressions. A pilot can travel 400 miles with the wind in the same amount of time as 336 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 230 miles per hour.

    asked on November 9, 2007
  58. Math

    Marcus divided his rectangle into five equal parts. He plans to color the rectangle red,white,blue,green and orange what is the area of the part of the rectangle he will color red?

    asked on January 29, 2018
  59. Business plan

    Explain the fundamentals of the proposed business.. if I know the services I will supply please give me examples how I can make a profit I have a cleaning business. thank you

    asked on January 4, 2014
  60. PHYSICS

    A proton moves with a velocity of vector v = (6i hat bold - 3j hat bold + k hat bold) m/s in a region in which the magnetic field is vector B = (i hat bold + 2j hat bold - 3k hat bold) T. What is the magnitude of the magnetic force this charge experiences?

    asked on October 28, 2013
  61. Health care Information System, Question 2

    Collecting Information Predict ways that the collection of patient information will become more efficient, expansive, and accurate during the next 20 years. Provide specific examples to support your response.

    asked on October 10, 2012
  62. algebra math 208

    write each equation in slope-intercept form y+3= -3(x - 6)

    asked on July 15, 2010
  63. algebra

    siplify the expression 1/4(6b +2) - 2/3(3b-2)

    asked on July 14, 2010
  64. computers

    In creating a professional action plan, it's important to

    asked on July 10, 2008
  65. English

    Whats a correct principal part of a verb , and infinitive part of a verb? Verbs have three principal parts, although some dictionaries and grammars list four. So I'll show you four in case that's what you are supposed to know. For "regular" verbs: Base

    asked on September 6, 2006
  66. Maths

    what is the formula for calculating area of shaded part

    asked on January 9, 2016
  67. Law/421

    Sam is a high school math teacher. And, Becky is a student in his math class. During parent-teacher conferences, "Teacher Sam" tries to intimidate Becky's parents by telling them: "I'll teach your daughter math during class if you give me $1000." Is this a

    asked on August 2, 2012
  68. math

    WHAT IS 90 OUT OF 270?ROUND TO THE NEAREST TENTH OF A PERCENT?

    asked on September 4, 2011
  69. Math

    Residents of a small city voted on whether to allow a developer to build a shopping center. The number of voters in favor of the shopping center was 4,400. The number of voters against the shopping center was 17,600. What percent of voters were in favor of

    asked on April 8, 2018
  70. Maths

    the monthly charge C of an electricity company is made up of follows:A constant charge a and A charge which varies directly as N the number of units used . when N=80 C =820 naira . When N =124 , C =1040 naira find the relationship between C and N ,find C

    asked on January 9, 2016
  71. maths lit,physics,life science n tourism

    i don't know which career to choose can you help me ?I'm doing grade 11.

    asked on November 12, 2015
  72. math

    determine known length for a triangle one side is 2.5cm other side 1.6cm find how solve the third side

    asked on October 9, 2014
  73. business

    research please assist how do you start a hospital please give websites for contact information thank you

    asked on April 22, 2014
  74. PHYSICS

    A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

    asked on October 28, 2013
  75. CHEMISTRY

    The fictitious compound, pandemonium fluoride (PnF2) has a Ksp value in water of 3.091×10−9M3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity.

    asked on December 17, 2012
  76. Health care Information System

    Analyze the points at which information is collected during an in-patient encounter, determine the most likely point (or points) at which mistakes in that collect could occur, and recommend steps to avoid the mistake you identified.

    asked on October 10, 2012
  77. statistics

    Using the categorical data for your team project, conduct a two sample, two-tailed hypothesis test for the proportion, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null

    asked on July 8, 2012
  78. statistics

    H0: ƒÊX = ƒÊY The mean (average) gas price in city X equals the mean (average) gas price in city Y during January 2012. H1: ƒÊX ‚ ƒÊY The mean (average) gas price in city X does not equal the mean (average) gas price in city Y during January

    asked on July 8, 2012
  79. Statistics

    Using the numerical data for your team project, conduct a two sample, two-tailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null hypothesis

    asked on July 8, 2012
  80. Finance 370

    what is the future value of $5,000 in a bank account for 7 years at 4 percent compounded bimonthly

    asked on June 22, 2012
  81. Calculus and vectors

    A plane, π, has 3x-5z+3=0 as its Cartesian equation. Determine the Cartesian equation of a plane that is perpendicular to π and contains the point P(2,9,-3)

    asked on April 9, 2012
  82. Res/341

    what are some ways to reduce bias in focus groups or any data collection method?

    asked on March 23, 2012
  83. RES/341

    what are some commonly researched areas in business?

    asked on March 14, 2012
  84. statistics

    Come up with a unique way to choose random samples from a specific data set, also explain how you will assign each data item and how each item will be selected

    asked on November 9, 2010
  85. Chemistry

    How many moles of ammonium ions are in 0.807 g of ammonium carbonate?

    asked on June 1, 2010
  86. english

    choose the phrase that's correctly capitalized? A-an italian grocery B-the prudential building C-the renaissance D-CHEMISTRY 101

    asked on July 5, 2008
  87. English Survey(please post)

    what book do you think should be made into a movie? and why?(please state reason clearly.) consider the questions below: what's the benefit if it was made into a film? is there something that you think can be presented in the movie better than the book?

    asked on May 21, 2007
  88. English

    what is the preposition, conjunction, and artical of these sentances? 1. Stan enrolled in the driving course, and he looked forword to his first lesson. 2. He read a book of instructions or rules of the road. 3.Then, He practiced all the driving

    asked on September 6, 2006
  89. math

    how many pieces would that be a month

    asked on April 10, 2016
  90. Maths

    A cuboid is 24 cm long ,20 cm wide and 15 cm high . A similar cuboid is 16 cm long . what is it's height

    asked on January 6, 2016
  91. Maths

    The angle of depression of a point g on a horizontal ground top , T of an electric pole is 25 degrees .if the distance from g to the foot of the pole is 45 m , calculate the height of the pole to the nearest whole number.

    asked on January 4, 2016
  92. chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the total surface area of the balloon is 0.57 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked on December 15, 2012
  93. Health care Information System 4

    "Quality Improvement and Measurement" Discuss the challenges associated with measuring the quality of health care data and ways that those challenges may be addressed. Provide specific examples to support your response.

    asked on October 16, 2012
  94. Health care Information System, Question 4

    From your own Internet research, to find a report card for one or more of your local hospitals. From the e-Activity, discuss how you would use the information you found on the report card if you or a family member needed health care. Describe the effect

    asked on October 10, 2012
  95. Health care Information System, Question 3

    From your own Internet research, to find a report card for one or more of your local hospitals. "Using Information" Please respond to the following: Create a very brief scenario (1-2 sentences) in which specific information should be collected. Determine

    asked on October 10, 2012
  96. physics

    ignoring air resistance, describe how an object would fall to the ground using the words velocity and acceleration for a ball that is thrown straight up: a.) the velocity is __on the way up (increasing, decreasing, constant, zero) b.)the velocity is __at

    asked on October 9, 2012
  97. fourth grade math

    the passengers of a cruise ship were shocked to learn that their ship was sinking. the ship is 218 ft tall and is sinking at the rate of 1/2 ft per minute. how long do the passengers have to abandon the ship?

    asked on June 5, 2012
  98. chemistry

    In class, we did a decomposition reaction of sodium hydrogen carbonate, which makes water, carbon dioxide, and sodium carbonate. How do you know when sodium hydrogen carbonate is completely reacted?

    asked on January 31, 2012
  99. math

    do you under stand similar figures

    asked on December 8, 2011
  100. Math

    -4/5x=x+-1/5

    asked on July 5, 2011

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