Questions Asked on
July 9, 2012

  1. Chem 1046

    Consider the reaction: I2(g) + Cl2(g) 2 ICl(g) Kp = 81.9 at 25°C Calculate ΔGrxn for the reaction at 25°C under each of the following conditions: (a) standard conditions (b) at equilibrium (c) PICl = 2.48 atm; PI2 = 0.321 atm; PCl2 = 0.219 atm

    asked by Anonymous
  2. geometry

    An architect plans to draw a rectangular patio with segment LM representing one side of the rectangle. He wants to construct a line passing through Q and parallel to side LM. He uses a straightedge and compass to complete some steps of the construction as

    asked by Anonymous
  3. physics

    A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3400 m peak. (a) What is the hiker's change in potential energy?

    asked by Danny
  4. Chemistry

    Is ClO2>- a Bronsted acid, base, or both?

    asked by Robert
  5. MATH

    You’re building a rectangular frame 10 inches by 11 inches. How many feet of wood do you need?

    asked by TINA
  6. Stats

    In a study of children with a particular disorder, parents were asked to rate their child on a variety of items related to how well their child performs different tasks. One item was "Has difficulty organizing work," rated on a five-point scale of 0 to 4

    asked by James
  7. geometry

    You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?

    asked by Patty S
  8. math

    I have 200 canadian dollars and exchange them for 1/5 fewer us dollars. After spending 3/4 of my us dollars how much do I have left?

    asked by robbin
  9. reading

    the reason the test questions and answers is up there because its all wrong answers on purpose for cheaters. when i first started i passed two test by myself. then the last three test try to cheat to use the answers and failed three test then retook them

    asked by erica
  10. chemical equilibrium

    Calculate the value of Kc for 4NH3(g) + 3O2(g)= 2N2(g) + 6H2O(l)

    asked by mohamed
  11. Stats

    You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is $1200. Assume that the standard deviation is $230. Find a 95% confidence interval for

    asked by James
  12. Chem Scc

    5.82 g of CuNO3 is dissolved in water to make a 0.240 M solution. What is the volume of the solution?

    asked by Anonymous
  13. ALGEBRA

    A line passes through the points whose coordinates are (c,3c) and (2c,5c).Assuming that c is not 0 find the slope of the line A-2 B-1/2 C1/2 D2

    asked by RICARDO
  14. Finance

    Andrea Corbridge, Calculate the frontier for all possible investments combinations of Kalama Corp. and Adelphia Technologies (from 0% to 100%, in 1% increments). Determine the optimal risky portfolio if the risk-free rate is 3%.

    asked by Meika
  15. algebra ll

    The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there are 13,500 books

    asked by vane
  16. chem 1046

    Calculate the solubility (in grams per 1.00 102 mL of solution) of magnesium hydroxide in a solution buffered at pH = 9. Enter your answer to 2 significant figures.) Ksp = 2.06e-13

    asked by Anonymous
  17. Chemistry

    How would I find the limiting reagent in the chemical equation...CuSO4*5H2O+2K2C2O4*H2O-->K2[Cu(C2O4)2]*2H2O+K2SO4+5H2O I got that K2C2O4 was the limiting reagent but I don't know if that is correct.

    asked by Zachary
  18. Math

    A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice cream. What is the diameter of the mega-cone at its widest point?

    asked by Kayla
  19. chem

    For a mixture of 12.0mL of 0.004. M AgNO3 and 8.0mL of 0.0025 M K2CrO4, a colorimetric measurement of CrO4-2 in the equilibrium supernatant liquid found its concentration to be 1.5*10^-4 M. Calculate the Ksp of Ag2CrO4.

    asked by jerry
  20. Probability & Statistics

    You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is $1200. Assume that the standard deviation is $230. Find a 95% confidence interval for

    asked by James
  21. science

    two spheres carrying charge q are hanging from a same point of suspension with the help of threads of length 1 m in a space free from gravity . the distance between them is?

    asked by Juli
  22. College Chemistry

    give the balanced equation for oxidation of iron(II)ion by permanganate and find how many millimoles of permanganate ion react with one millimole of ammonium iron(II) sulphate. I have the balanced equation: MnO4+8H+5Fe^(2+) --> Mn+4H2O+5Fe^(3+) what would

    asked by Anonymous
  23. Government

    Why does Texas have so many special districts, and what are some of the problems associated with them?

    asked by Danielle
  24. maths

    the perimeter of the school is 128m. it is 24m wide. how long is it.what is it's area

    asked by rebecca
  25. Mathematics

    a credit union pays 8 percent per annum compound interest on all fixed deposits. a consumer deposited $24000 in an account. calculate the total amount of money in the account at the end of two years.

    asked by INDIANA
  26. math

    You have the following data: A plane flying at its maximum speed can go 190 miles per hour with a tailwind or 150 miles per hour into a headwind. (a) What is the wind speed?

    asked by darlene
  27. chem 1046

    calculate the equilibrium constants at 25°C for each reaction. ΔGf° for BrCl(g) is −1.0 kJ/mol Br2(g) + Cl2(g) 2 BrCl(g)

    asked by Anonymous
  28. Physics

    Two objects A and B are involved in a totally elastic collision The mass of A is 8.8 kg and the mass of B is 0.5 kg. The velocity of A is 4.5 m/s and the velocity of B is 0 m/s. If they collide elastically, what will be the final velocity of A in m/s?

    asked by M
  29. heron formula

    A RHOMBUS SHAPED SHEET WITH PERIMETER 40 CM. AND ONE DIAGONAL 12 CM., IS PAINTED ON BOTH SIDES AT THE RATE OF RS.5 PER METER SQUARE. FIND COST OF PAINTING.

    asked by manjeet
  30. Physics

    A 0.3 kg ball strikes a wall head on and then rebounds straight back. The initial speed was 10.0 m/s and the speed after it rebounds was 1.9 m/s. What was the magnitude of the total impulse on the ball during the collision in N*s?

    asked by M
  31. Math

    The sum of the angles of any triangle always equals ?

    asked by Ashley
  32. Math

    A cylinder measures 6 ft tall and 3 ft wide. If those measurements are tripled, find the volume of the cylinder in cubic feet?

    asked by Anonymous
  33. Physiology-help please:(

    A child is brought to the speech therapist because she does not pronounce high-pitched sounds (like "s"). Name the sensory organ that is most likely the problem and what area of the organ is being affected? She also experiences extreme dizziness and loss

    asked by Alison
  34. Algebra 1

    On 2 investments totaling 15,00, peter lost 2% on one and earned 8% on the other. If his annual receipts were $204, how much was each investment?

    asked by Daniel
  35. Physics

    A 3-kg mass attached to a spring with k = 145 N/m is oscillating in a vat of oil, which damps the oscillations. (a) If the damping constant of the oil is b = 14 kg/s, how long will it take the amplitude of the oscillations to decrease to 1% of its original

    asked by James
  36. physics

    The Moon can be considered to be a sphere with uniform density with mass MM and radius RM. At the (exact) center of the Moon, the gravitational force on a mass m due to the mass of the Moon is? I know the answer is zero but want to know why using gauss'

    asked by lanre
  37. Physics

    Assume you construct a new water tower for a town water supply. Assume the tank is in the shape of a sphere with a diameter of 21ft. Assume the tank is made of formes and welded .5 in steel plate that weighs 150 lb per ft3. What is the weight on each of

    asked by Lindsey
  38. Psychology

    One attribute that the Stanford-Binet,WAIS-III,and WISC-IV have in common is that they are all:

    asked by Sandra
  39. Algebra

    Hi! I just want you to check if my answers are correct. Factor the expressions: 1. 15a^2(b-2)^2 + 20a^3(b-2)^3 = my answer is 5a^2(b-2)^2 [3 + 4a(b-2)] 2. 18p^2q^3 (r-6)+ 24(r-6) = my answer is 6(r-6)[3p^2q^3 + 4] 3. 24(x-y)^2 + 48(y-x) - 72(x-y)^3 = my

    asked by Anonymous
  40. Accounting

    I have most of them done but would like to have these ones double checked... Please Help!!! 12. Research and development costs (R&D) are generally A. listed as "long-term assets" on the balance sheet. B. expensed and become part of the income statement. C.

    asked by sammie
  41. GSGS

    what is a limiting reagent of the reaction CuSO4 and Pb(NO3)2

    asked by GSGS
  42. Math

    Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^4x = 4.9

    asked by Anonymous
  43. Statistics

    I just need to know what formula I need to use to get started on this equation: A man that was shot out of a cannon and the mean is 140 feet, stand. dev. is 10, landing net is 28 feet long. To maximize the peron's probability of landing on the net, how far

    asked by DellaRae
  44. math

    the sum of one fifth of an integer and one tenth of that integer is at most 20. find the greatest possible integer.

    asked by meep
  45. Mathmatics

    A pile of sand that is stockpiled for winter road treatment is in the shape of a perfect cone. The beginning diameter is 110ft and the height at the center is 24ft. Assume wet sand weighs 3400 lbm/yd3. a) How many cubic yards of sand are in the pile? b)

    asked by Jacob
  46. algebra

    Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three times a larger number added to 4 times a smaller number totals 24. When twice the smaller

    asked by Cory
  47. Statistic

    A training center claims that 75% of people taking national exam on achievement. In a sample of 90 people who took the exam only 39 have passed the exam. Use hypothesis testing to determine whether the training center claim is justified. Use 5% level of

    asked by Mark
  48. physics

    a) You need to move a test particle across a floor. Given source that has a charge of q = 3e, What is the displacement between the source and the particle if you need the particle to travel 2.5m in t = 2.5s? Note: the source emits this charge only the

    asked by Anonymous
  49. English

    1. Who sent a postcard from Santorini? Judy did. 2. With whom is Judy traveling in Greece? He is traveling in Greece with Mom. 3. When did they arrive in Athens? They arrived in Athens five days ago. 4. What is the capital of Greece? It is Athens. 5. What

    asked by rfvv
  50. math

    Find the balance in an account that has $700 invested at 5.5% for 4 years compounded semi-annually.

    asked by dylan
  51. Foreing languages

    Could you check if everything is correct, Writeacher? 1) My husband and I would like to spend the period from August ... to August .. in . We are looking for a four-star hotel on a sea front , which offers a a kids’ club as well as a playground where my

    asked by John
  52. math

    2/3w+2=5/3w w=

    asked by sherri
  53. Trig

    Given y=2-4cos(3x-pi/4), find each of the following, giving the general representation of the location of all minimums. Also provide the graph of two full cycles, labeling everything. Domain = Range = Amplitude = Period = Ph. Shft. = Interval for one

    asked by Joe
  54. math

    the larger of two numbers is 6 more than 4 times the smaller. if the smaller number is one-fifth of the larger, find both numbers

    asked by meep
  55. Physics

    A spaceship and its occupants have a total mass of 170000kg . The occupants would like to travel to a star that is 31 light-years away at a speed of 0.40c. To accelerate, the engine of the spaceship changes mass directly to energy. How much mass will be

    asked by Jordan Stark
  56. parts of speech

    People express thoughts mainly by using

    asked by Anonymous
  57. health

    Our biological clocks make us feel most sleepy from? A. 9pm-5am B. 6pm-6am C. 10pm-4am D. 12am-7am

    asked by NItra
  58. MIT

    A 2kg block on a flat horizontal surface is pulled with a force of 15 N directed 10 degrees above the horizontal. It is found to accelerate at 2m/s^2. Find the coefficient of kinetic friction at the interface?

    asked by Joe Parterner
  59. chemistry please help me please!!!

    When one student did this experiment, he started with 19.5 mL of 0.118 M monoprotic acid. The endpoint was reached when 17 mL of base was added. What was the concentration of the base?

    asked by Sabrina
  60. Math - Probability

    You invent a new system to make excellent racing tires for the Indianapolis 500/ Your tires are good for an average of 105 miles, with a standard deviation of 7.5 miles. What is the probability that one of your tires can go for at least 44 laps? What is

    asked by Laura
  61. chemistry lab

    How does the presence of a common ion affect the solubility of a salt? Explain in terms of equilibrium.

    asked by craig
  62. Physics

    A thin rod L = 9.0 cm long is uniformly charged and has a total charge of 4.4 nC. Find the magnitude of the electric field at a point P located at a distance R = 13.5 cm from the center of the rod when: (a) The point P lies along the axis of the rod

    asked by Rain
  63. carpentry

    what is the angle of a ladder with a 4 metre vertical and a 1 metre horisontal

    asked by jan
  64. math

    find the value of x^3+y^3-12xy+64 when x+y= -4

    asked by siyad
  65. Western Civilization/ Social Science

    How has the two world wars, The Cold War and the Computer Revolution reduced the global economic clout of the Western European Atlantic powers and the U.S.

    asked by Ariel
  66. science

    is there any alloy which is equally dense with gold?

    asked by vimal
  67. algebra

    write in algebraic expressions: a number x increased by three times y

    asked by maria
  68. Math

    The vase company designs a new vase that is shaped like a cylinder on bottom and a cone on top. The catalog states that the width is 12 cm and the total height is 42 cm. What would the height of the cylinder part have to be in order for the total volume to

    asked by Gabi
  69. PHYICAL

    A ball,500g,thrown upward at 20 m\s reaches an elevation of 15m.how much energy is lost.

    asked by zz
  70. statistics

    A sample of 200 students in a English class were asked- How long did you sleep last night? sample mean: 6.4 hours S.D. = 1.6 HOURS Standard Error = .11 hours sample size = 200 What type of data is used in this example? my answer: MEASUREMENT DATA What

    asked by Sheri
  71. statistics

    A 95 confidence interval for the proportion of men that have ever dozed off while driving is 007 to 0.14. For women, a 95% confidence intervAL for the proportion that have dozed off while driving is 0.19 to 0.25. Assume both intervals were computed using

    asked by Sheri
  72. history

    Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life?

    asked by jen
  73. medical

    a. xenology b. morphology c. xenomorphology d.monumentology Which one of the above answers are the study of the form of body parts is called?

    asked by devon
  74. Math - Calculus

    how to solve limits?

    asked by John
  75. algebra

    A dump truck can haul 16 loads of dirt in 4 hours. How long will the dump truck spend hauling 25 loads?

    asked by Kami
  76. DeskToping

    If you accidentlly delete a word or group of words you can get it back by choosing the _____ command. A. F1 B. Cut C. Redo D. Undo I got D. A word processor's _______ feature compares the words in your document against those in an online dictionary. A.

    asked by Ciara
  77. stsats

    A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers? The researcher surveyed 92 undergraduate education students via an online survey. In the survey, the

    asked by Help Please
  78. Algebra 1

    On 2 investments totaling 15,00, peter lost 2% on one and earned 8% on the other. If his annual receipts were $204, how much was each investment?

    asked by Daniel
  79. math

    A person hired a fire to build a CB radio tower. the firm charges 100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25. more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next

    asked by Anonymous
  80. English

    e.g. You can stay with my mom. What is the meaning of the sentence above, #1 or #2? 1. You are allowed to stay with my mom. 2. You are able to stay with my mom.

    asked by rfvv
  81. geometry

    A cable that is used to support a 73 foot tower is secured to the fround 38ft from the base of the tower. Find the angle of elevation to the nearest degree that cable makes with the ground? Idont know how to do this? Explain?

    asked by Lilone
  82. geomerty

    a wheel has a dimater of 12 cm, how many turns does it take to go 2 meters?

    asked by billy
  83. american government

    is the public vulnerable to exploitation by powerful groups owing to their monoploy over information and why is the public vulnerable

    asked by michelle
  84. Statistics

    What formula do I use to find: a man that was shot out of a cannon, mean is 140 feet, stand. dev is 10, landing net is 28 feet long. how far away should the edge of the net be? I just need a push!

    asked by DellaRae
  85. History

    How did Alfred the Great secure his modern reputation as a state-builder?

    asked by Alma Dean
  86. PHYICAL

    What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|

    asked by ssoo
  87. PHYICAL

    What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|

    asked by z
  88. PHYICAL

    What is equivalent between points a and b when R=3 R R ----\/\/\/----\/\/\/---- a /\/\/\-----b \/\/\/\/-----

    asked by z
  89. INTERIOR DESIGN

    DRAW A ROUGH TIME SCHEDULE IN BAR CHART FORM FOR A 2000 SQ' RESIDENTIAL PROJECT TO BE COMPLETED IN TWO AND HALF MONTHS.

    asked by DESAI VIRALI D.
  90. Psychology

    The entire class was in an uproar.The teaching assistant had proctored the exam while the professor was attending a conference,and the test seemed unrelated to the chapters that they had studied.The students'complaints are based on the test's lack of:

    asked by Sandra
  91. geography

    Match each item on the left with an item on the right. Question 1 options: philosophy calling for greater economic equality in society creator of the Kremlin in Moscow country once controlled by the Soviet Union term that means "self-rule" organized

    asked by Kiri
  92. algebra 2

    SOLVE= log[6](x+3)+log[6](x+2)

    asked by leo
  93. College Math

    Write the mixed number as an imprper fraction. 7 1/9 = A. 64/9 b. 22/3 c. 7/1 d. 65/9 I think the answer is A.

    asked by Amanda
  94. Ethics

    Ethical contractarianism focus on agreements between individuals, individuals and the community. true or false

    asked by Victoria
  95. governement

    In 3-4 sentences, explain why is voting important in a democratic society.

    asked by victoria
  96. Grammar

    Which one is correct? There is a quarrel between he and Ralph. OR There is a quarrel between him and Ralph.

    asked by Anonymous
  97. ALGEBRA 2

    y varies directly with x, and y = 2 when x = 5. What is the value of x when y = 15? A. x = 25 B. x = 10 C. x = 6 D. x = 37.5

    asked by leo
  98. human development

    what are the goals of psychometric testing are:

    asked by maxine
  99. human development

    what are the results of renee baillargeon's sliding carrot research may suggest the object permanence

    asked by sally
  100. Integrated Math 1

    Suppose a parabola has its vertex at (0, 1) and its zeros at x = -3 and x = 3. Then equals _____. A. 9-x^2 B. 1-1/9x^2 C. x^2-1 D. x^2-9

    asked by Tifini
  101. Math

    Calculate the volume of a cylinder that is 5.615 mm in height and 17.03 mm in diameter.

    asked by Elisabeth
  102. Differential Equations

    Solve the differential equation below with initial conditions. Compute the first 6 coefficient. Find the general pattern. (1-x)y"-y'+xy=0 y(0)=1, y'(0)=1

    asked by Jason
  103. english

    the coordinating conjunctions that can be used to combine two complete sentences with a comma are for and nor because yet so is this true.

    asked by meca
  104. Statistics

    Are you annoyed with spam e-mail? Suppose a random sample of 200 Kent State students was asked this question of which 80% said that they are annoyed. From the provided information we can find the following: sample percent = 80% (sample proportion = .80)

    asked by Sheri
  105. Physio help please

    why might an endurance athlete wish to increase his or hematocrit?

    asked by Alison
  106. Math

    Solve the equation by expressing each side as a power of the same base and then equating exponents. 2x = 16

    asked by Anonymous
  107. math

    which of the following is a situation where finding the surface area would be appropriate

    asked by riah
  108. Physics

    Two balls are involved in a completely inelastic collision. The first ball has a mass of 0.25 kg and an initial velocity of 9.27 m/s in the x-direction The second ball has a mass of 0.50 kg with an initial velocity of 2.61 m/s in the -x-direction. What is

    asked by M
  109. English

    1. He tattooed a rose on the arm last night. 2. He obeyed the traffic rules yesterday. 3. His speech annoyed the audience very much. 4. He woos the lady to marry him every day. (Are the sentences grammatical?)

    asked by rfvv
  110. US History

    Did people in Virginia convert Native Americans to Christianity?

    asked by greeny