Tracy

Most popular questions and responses by Tracy
  1. ENGLISH

    #speech. TopIc:afRican slaughter rituals should be allowed in the suburbs?

    asked on April 18, 2015
  2. Chemistry

    In which direction will the net reaction proceed. X(g) + Y(g) Z(g) .. Kp = 1.00 at 300k for each of these sets of initial conditions? 1) [X] = [Y] = [Z] = 1.0 M a] net reaction goes to the left [this one?] b] net reaction goes to the right c] reaction is

    asked on March 5, 2012
  3. Chemistry

    Consider this system at equilibrium. A(aq) B(aq) Delta H = +750 kJ/mol .. What can be said about Q and K immediately after an increase in temperature? a] Q > K because Q increased.. b] Q>K because K decreased.. c] Q

    asked on March 5, 2012
  4. Comp 155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting envent, musical performance, or television show. Bold each adverb. Underline each adjective. This is what I wrote but not sure if I have all the adverbs and

    asked on May 1, 2011
  5. health

    A friend plays video games 6 hours a day and gets upset when called to dinner with the family. This is a sign of? (a)anxiety disorder (b)a phobia (c)bipolar disorder (d)impulse control disorder

    asked on December 31, 2014
  6. physics

    Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time. What was the initial velocity of Jill's rock?

    asked on August 30, 2014
  7. Phyics

    A model rocket blasts off from the ground, rising straight upward with a constant acceleration that has a magnitude of 75.5 m/s2 for 1.58 seconds, at which point its fuel abruptly runs out. Air resistance has no effect on its flight. What maximum altitude

    asked on September 25, 2013
  8. chem

    The molar concentrations for the reactants and products at equilibrium are found to be [HCl] = 0.80 M, [O2] = 0.20 M, [Cl2] = 3.0 M, and H2O = 3.0 M. What is the value of the equilibrium constant for this reaction? the complete reaction is

    asked on November 19, 2012
  9. Chemistry

    Did I answer this equilibrium question correctly? 2CO(g) + O2(g) 2CO2(g) 1) How will increasing the concentration of CO shift the equilibrium? a] to the right [i chose this] b] to the left c] no effect 2] how will increasing the concentration of CO2 shift

    asked on March 5, 2012
  10. STATS

    Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

    asked on February 20, 2014
  11. Spanish Dos Questions

    1. Which of the following is a common greeting in the Spanish speaking world? a) ducharse b) despedirse c) pelearse d) besarse *** ^^^ IDK because to say goodbye seems kinda correct too except it's not as much of a greeting? 2. Paco esta a) durmiendo ***

    asked on June 1, 2016
  12. Chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 58.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 C when the reverse

    asked on February 18, 2012
  13. physics

    How high will a 1.85 kg rock go if thrown straight up by someone who expends 80.0 J of energy on it?

    asked on September 29, 2012
  14. Algebra please help out

    In each bouquet of flowers, there are 4 roses and 6 white carnations. Complete the 4 and 6 table to find out how many roses and carnations there are in 4 bouquets of flowers? Please help answer

    asked on October 29, 2014
  15. Chemistry

    At -15.0 C, what is the maximum mass of fructose (C6H12O6) you can add to 3.00 kg of pure water and still have the solution freeze? Assume that fructose is a molecular solid and does not ionize when it dissolves in water. I'm confused on how you pick the

    asked on February 16, 2012
  16. Calculus

    evaluate the integral of dx/square root of 9-8x-x^2

    asked on November 19, 2011
  17. Physics

    A rifle is aimed directly at the bull's eye of a target 50m away. If the bullet's speed is 350 m/s, how far below the bull's eye does the bullet strike the target?

    asked on September 10, 2012
  18. Math

    Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

    asked on February 20, 2014
  19. Chemistry

    Methane (CH4) is the major component of natural gas. 2.5 moles of methane were placed in a commercial colorimeter and subjected to a combustion reaction. The reaction released 2800 kJ of energy. Compare this energy value to the energy values of paraffin

    asked on April 23, 2016
  20. 5th grade English

    1. Many useful tools are made from metal. 2. Steel is an important metal for buildings and tools. 3. An iron bar will rust over time. 4. Oxygen from the air mixes with the metal. 5. That orange deposit on the outside surface is called rust. 1.

    asked on August 20, 2009
  21. Physics

    An olympic sprinter can run 100yd in 9.0s. At the same rate, how long would it take the sprinter to run 100m?

    asked on July 9, 2013
  22. Delcambre High

    a trail mix recipe calls for 1/3 pound of mixed nuts, 4/15 pound of raisins and 2/5 pounds of granola. What is the ratio of raisins to mixed nuts in simplest form?

    asked on June 4, 2014
  23. STAT - Please check answer

    In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured. Tread depth is measured in

    asked on February 24, 2014
  24. chem

    a.) At equilibrium, the molar concentrations for reactants and products are found to be [I2] = 0.50 M,[Cl2] = 0.60 M, and [ICl] = 5.0 M. What is the equilibrium constant (Kc) for this reaction? b.) The concentration of I2 is increased to 1.5 M, disrupting

    asked on November 19, 2012
  25. english

    the climax comes at the end of the middle section of the story after which the author "ties up loose ends" by telling the reader what happened to each major character. true or false

    asked on December 1, 2011
  26. Physics

    A rifle is aimed directly at the bull's eye of a target 50m away. If the bullet speed is 350 m/s, how far below the bull's eye does the bullet strike the target?

    asked on September 10, 2012
  27. Spanish Two

    1. Which word belongs in the blank? ______ compro el libro a Ana. a) La b) Le (MY ANSWER) c) Lo d) Ella 2. He brings us a cake on Sundays. a) Nos trae un pastel...(MY ANSWER) b) Me trae un pastel... c) Les trae un pastel... d) Os trae un pastel... 3. How

    asked on May 20, 2016
  28. Statistics

    In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured. Tread depth is measured in

    asked on February 25, 2014
  29. Stats

    Assume that event A occurs with probability 0.4 and event B occurs with probability 0.5. Assume that A and B are disjoint events. The probability that either event occurs (A or B) is A. 0.0 B. 0.7 C. 0.9 D. 1.0.

    asked on March 29, 2014
  30. Calculus please help

    Find the centroid of the area bounded by the parabola y=4-x^2 and the x-axis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)

    asked on November 22, 2011
  31. math

    a ladder reaches 12m up to a vertical wall and has a gradient of 4. how far is the bottom of the ladder from the wall

    asked on May 27, 2019
  32. chem

    When the concentration of I2 is increased to 1.5 M, the ratio of products to reactants is 28. The equilibrium constant for the reaction is 83. In which direction will the reaction shift to regain equilibrium?

    asked on November 19, 2012
  33. chemistry

    When will hydrogen bonding occur?Give an example of liquid other than H2O in which this type of force is important. In order for a hydrogen bond to occur there must be both a hydrogen donor and an acceptor present. The donor in a hydrogen bond is the atom

    asked on October 5, 2012
  34. STAT

    Calculate SP (the sum of products of deviations) for the following scores. Note: Both means are decimal values, so the computational formula works well. X Y 0 2 0 1 1 0 2 1 1 2 0 3 Assume a two-tailed test with  .05. (Note: The table does not list all the

    asked on March 3, 2013
  35. Geometry

    Angle JKL is congruent to angle MNP, KL= 21x - 2, NP = 20x, LJ = 15x, PM = 13x + 4. Find LJ. I don't understand how to do it! Please, help! :)

    asked on January 28, 2009
  36. Algebra

    Write 3 ratios equivalent to the ratio of boys to girls on the bus is 20/15? Please help answer

    asked on October 28, 2014
  37. Chemistry

    Calculate the quantity of heat to convert 25.0g of ice at -10.0 degrees celcius to steam at 110.0 degrees celcius?

    asked on January 12, 2011
  38. chem

    An 80 proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage.How many milliliters of alcohol are present in 700mL of brandy?

    asked on November 8, 2012
  39. computer sciece

    Let INFINITE PDA ={|M is a PDA and L(M) is an infinite language} Show that INFINITE PDA is decidable.

    asked on January 9, 2012
  40. chem

    Calculate the final concentration of a. 4.0 L of a 4.0 M HNO3 solution is added to water so that the final volume is 8.0L b. Water is added to 0.35L of a 6.0M KOH solution to make 2.0L of a diluted KOH solution. c.A 20.0 mL sample of 8.0% (m/v)NaOH is

    asked on November 8, 2012
  41. Math

    Cheryl gave Brenda 7 coins worth .92 cents. Two coins were quarters. What were the other 5 coins?

    asked on November 24, 2008
  42. Physics (CHECK)

    One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the

    asked on October 1, 2009
  43. Chemistry of Life Science

    1. In the introduction to this experiment, it states that you reacted 2.5 grams of salicylic acid with an excess of acetic anhydride, meaning that there would be a higher number of moles of acetic anhydride then salicylic acid, proportionally. Assuming the

    asked on April 6, 2016
  44. Inorganic Chemistry

    Hello, I am trying to write a chemical equation for a reaction I did and I cannot for the life of me figure out how to do it. I added cobalt chlorid hexahydrate, NH4Cl, NH4OH, H2O2 and HCl. The major product was [Co(NH3)5Cl]Cl2 but I don't know what the

    asked on November 18, 2007
  45. trig

    Complete the general solution to y = arcsin -. y=____±2k IM lost please help

    asked on March 24, 2010
  46. Business Math

    Nancy would like to accumulate $10,000 by the end of 3 years from now to buy a used car from her friend,Jin. She has $2,500 now and would like to save equal annual end of year deposits to pay for the car. Calculate how much should she deposit at the end of

    asked on July 1, 2017
  47. chem

    Zn^2+(aq) + 2OH^-(aq) ----> Zn(OH)2(s) a) how the addition of HCl affects the equilibrium? my answer is it will shift to the right b) how the addition of a small amount of NaOh affects the equilibrium?my answer is it will shift to the left c) how the

    asked on November 26, 2012
  48. math

    A group medical practice has 40,000 patients. Charts vary in thickness from 1/4 to 1 inch thick. The average of all charts is 1/2 inch thick. Using the average 1/2 inch thickness, how many inches of shelf space will be required for 40,000 charts?

    asked on October 16, 2012
  49. Physics

    An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff?

    asked on September 10, 2012
  50. physics

    One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the

    asked on October 1, 2009
  51. STATS

    Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. A. 45% of the student weights are above ____ kilograms? Z=.3264=x-75.5/10.3 Now what?

    asked on February 10, 2014
  52. Math

    In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family?" A total of 200 men and 200 women were asked this question. "Yes" was the

    asked on June 28, 2013
  53. Chemistry

    For A+2B 2C and Kc = 2.13 For 2C D and Kc = 0.254 Calculate the value of equilibrium contant for the reaction D A+2B I'm so sorry to bother anyone.. but am i only supposed to multiple 2.13 and 0.254 together in order to get the third value of Kc? That's

    asked on March 5, 2012
  54. chemistry

    how do you determine the last digit in any measured number?

    asked on September 16, 2011
  55. STAT

    An independent-measures research study compares three treatment conditions with a sample of n = 10 in each condition. The sample means are M1 = 2, M2 = 3, and M3 = 7 a. Compute SS for the set of 3 treatment means. (Use the three means as a set of n = 3

    asked on February 24, 2013
  56. General

    What can you tell about the meaning of astronaut from its Greek roots? 2. What do the latin prefix and root in transmit tell you about the word's meaning?

    asked on November 3, 2010
  57. MATH

    If the demand function for a commodity is given by equation p^2+12q=18 and the supply function is given by the equation 700-p^2+6q=0, find the equilibrium quantity and price

    asked on June 15, 2015
  58. Math Geometry

    A triangle has vertices P(a,b), Q(c,d), and R(e,f). You are asked to prove that the image triangle angle P'Q'R' of triangle angle PQR after reflection across the y-axis is congruent to the preimage. What coordinates should you use for the vertices of

    asked on January 28, 2009
  59. stat

    Explain why using the t statistic may be an appropriate alternative to using a z-score

    asked on February 5, 2013
  60. world history

    After World War II, Africa's economy was based on agriculture. I say false

    asked on January 22, 2012
  61. Chemistry quick question

    Ok so a quick question. I have the equation Ca3(PO4)2 --> 3Ca+2 + 2PO4-3 Sorr its confusing, int he first part the 3 4 and too are all little numbers at the bottom, for the second part the +2 and -3 are small numbers at the top to show the charges. Ok so

    asked on June 20, 2006
  62. world history

    What Japanese art form, meaning "pictures of the floating world," was created using woodblock prints and greatly impacted Western art, particularly Impressionists in Europe and America? I say haiku

    asked on January 24, 2012
  63. algebra

    evaluate and write in the solution in scientific notation 3x10^5\1.5x10^3

    asked on October 18, 2011
  64. algebra,math

    Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary. a = ?, b = 5, c = 8 A. 6.0 B. 6.1 C. 6.2 D. 6.3

    asked on October 24, 2011
  65. physics

    One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the

    asked on October 1, 2009
  66. Physics

    An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff?

    asked on September 10, 2012
  67. Finance

    Martell Mining Company's ore reserves are being depleted, so its sales are falling. Also, its pit is getting deeper each year, so its costs are rising. As a result, the company's earnings and dividends are declining at the constant rate of 3% per year. If

    asked on November 11, 2010
  68. Math

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = 2.6,.1x Correct: Your answer is correct. . + Correct:

    asked on June 28, 2013
  69. Algebra

    1. Why does the inequality sign change when both sides of the inequality are multiplied or divided by a negative number? Does this happen with equations? Why or why not? 2. Write an inequality for your classmates to solve. In your inequality, use both the

    asked on November 22, 2010
  70. statistics

    david electronics had a profit of $10 million in 2002. Profit doubled from 2002 to 2003 and profit increased eight fold from 2003 to 2004. what was the annual geometric mean rate of growth from 2002 to 2004?

    asked on September 3, 2011
  71. Algebra

    1. Why does the inequality sign change when both sides of the inequality are multiplied or divided by a negative number? Does this happen with equations? Why or why not? 2. Write an inequality for your classmates to solve. In your inequality, use both the

    asked on November 22, 2010
  72. english

    what is the complete subject in romans held this festival on february 15

    asked on September 25, 2013
  73. math

    If 1/2 of the students are girls and 1/3 of the girls have long hair, what percent of the girls have long hair

    asked on February 21, 2010
  74. math

    Rainfall for September in Fiji averages 11" according to World Travel Guide. This year it rained 3% less. How many inches did it rain this year? (Round to the nearest tenth.)

    asked on September 8, 2014
  75. chemistry 101

    If 15g of NaOh is dissolved in 285 g of water, calculate the following. Assume the density of the solution is 1.06 g/cc. a) Calculate the moles of NaOH in the solution? My answer is 15gNaOH/40g NaOH= .0375 mole NaOH b) Waht is the mass % w/w of the

    asked on December 8, 2012
  76. algebra

    The price of a small cabin is $85000 the bank requires a 5% down payment the buyer is offered two mortgage options: 20 year fixed at 9.5% or 30 year fixed at 9.5% calculate the amount of interest paid for each option how much does the buyer save in

    asked on November 7, 2012
  77. math

    write each addition vertically.decide which new groups you will make.then,add to see if you were correct. 256+1273___________ a new ten?____________ a new hundred?_________ a new thousand?____________ need answers and please explain

    asked on September 13, 2010
  78. world history

    Select the Japanese figure of the feudal warrior society whose role was similar to that of the knight in Medieval Europe. I say emperor

    asked on January 24, 2012
  79. geometry

    The equal sides of an isosceles trapezoid each measure 5, and its altitude measures 4. If the area of the trapezoid is 48, find the lengths of its bases.

    asked on March 19, 2011
  80. science

    1) In a syringe, what happens to the air paricles when you push the plunger? 2) In a syring, what happens the the air particles in the bubble from the bubble wrap when you pull up the plunger? 3) Are there more air particles in the bubble when it is

    asked on January 24, 2008
  81. health

    Self actualization means when you focus on yourself all the time

    asked on October 8, 2015
  82. world history

    What is true about the key German leaders who were responsible for the Holocaust? A. The Marshall Plan provided them with the opportunity to emigrate to the United States and avoid trial. B. The Potsdam Conference, held in Potsdam, Germany, revealed that

    asked on January 22, 2012
  83. world history

    Hitler�s �Final Solution� referred to the extermination of the Jewish population living in and around Germany during the time of World War II. This resulted in the execution of over 6 million Jews. true or false I say its true

    asked on January 22, 2012
  84. math

    wei made two square pyramids and glued the congruent bases together, how many faces does here figure have?

    asked on January 4, 2011
  85. science

    About how long does it take for sound to travel 1 Km?

    asked on September 15, 2007
  86. Math HELP

    Find the like terms in the expression 1.) y + 1.2y + 1.2z 2.) simplify 2 + 17x - 5x + 9 3.) simplify 3(5 =6) - 4 4.) Factor 81 – 27p

    asked on November 6, 2017
  87. physics

    An airplane starts from rest and moves forward with a constant acceleration of 5 m/s2 along a runaway 250 m long. How long does it take the plane to reach a speed of 46.0 m/s?

    asked on January 14, 2012
  88. computer sciece

    Baud Rate Generator: library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity br_gen is generic(divisor: integer := 3); port( sysclk:in std_logic; --system clock sel :in std_logic_vector(2 downto 0); bclkx4:buffer std_logic;

    asked on November 27, 2011
  89. Chemistry

    What is the enthalpy change if 25.0 g of methane are burned? 890kJ of heat released for every mole of methane that reacts. CH4 + 2O2 = CO2 + 2H2O

    asked on March 18, 2014
  90. Calculus

    Find the area in the first quadrant bounded by the arc of the circle described by the polar equation r = (2 sin theta)+(4 cos theta) A. 5pi/2 B. (5pi/2)+4 C. 5pi D. 5pi + 8

    asked on November 21, 2011
  91. acids

    Which of the following bases is the weakest? (CH3)2NH , Kb = 5.1 x 10–4 ClO–, Kb = 2.9 x 10–7 SO42–, Kb = 8.3 x 10–13

    asked on April 4, 2012
  92. algebra

    We did not find results for: suppose a company manufactures MP3 players and sell them to retailers for $98 each. it has a fixed cost of $262,500 related to the production of the MP3 players and the cost per unit is $23 what is the total revenue function,

    asked on July 10, 2010
  93. Algebra

    The amount of paint needed to cover the calls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and 8-foot walls requires 4.8 quarts of paint, find the amount of paint needed to cover

    asked on July 5, 2018
  94. Math

    An open box is formed from a piece of cardboard 12 inches square by cutting equal squares out of the corners and turning up the sides. Find the volume of the largest box that can be made. Help!

    asked on February 6, 2017
  95. chem

    How many grams of KBR, could be recovered by evaporating 650 g of a 15.0% KBr solution of dryness?

    asked on November 21, 2012
  96. CHEM

    what volume would 10.5g of nitrogen gas, N2, occupy at 200.K and 2.02atm?

    asked on November 2, 2012
  97. Elmentary Math for Teachers II

    A spinner containing 8 numbers is spun. What is the probability of the event that the spinner A.) lands on an odd number? B.)lands on a number divisible by 3? C.)does not land on 5,6, or 7? D.)lands on a number less than 4?

    asked on February 8, 2013
  98. Math

    You visited your local bank. Because of your good credit, they agreed to give you a personal loan, simple interest at a current interest rate of 12.5% APR. you will pay this back in 1 year Interest=prt= Total Payment =Principle +interest = Payment per

    asked on March 8, 2017
  99. Stats

    The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. The value of P(X < 10) is

    asked on March 29, 2014
  100. world history

    Which system of government rests furthest left on the political spectrum and, as a totalitarian regime, focuses on the government owning all aspects of the economy, including property and the means of production?

    asked on January 22, 2012

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