Keith

Most popular questions and responses by Keith
  1. English

    CHECK MY ANSWERS, I NEED to 100% 1. Choose the word that best defines the italicized word. The rescue workers discovered the dog (cowering) in the closet. A - barking B - cringing (my answer) C - dying D - sleeping 2. Read these lines from Robert Burn’s

    asked on February 12, 2018
  2. english

    17. In Shirley Jackson’s “The Lottery,” how does the author use Tessie’s late arrival to help create suspense? (1 point) A The reader does not know what event Tessie has arrived late for. B The reader knows that the townspeople are aware of

    asked on May 12, 2014
  3. Chemistry

    Gasohol contains ethanol (C2H4OH)(l), which when burned reacts with oxygen to produce CO2(g) and H2O(g). How much heat is released when 12.5g of ethanol burns? C2H5OH(l) + 3 O2(g) --> 2 CO2(g) + 3H2O(l) Delta H = -1368kJ

    asked on May 19, 2010
  4. KIPP Believe

    The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?

    asked on September 1, 2014
  5. Chemistry

    The equation below shows the incomplete combustion of ethene. C2H4(g) + 2O2(g) ==> 2CO(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mol O2, a) identify the limiting reagent. b) calculate the moles of water produced. Show all steps.

    asked on March 28, 2010
  6. English

    16. What is the effect of the author’s use of assonance in the following line from “The Raven?” “For the rare and radiant maiden whom the angels name Lenore—” (1 point) A It creates emphasis on Lenore. B It explains Lenore’s appearance. C It

    asked on May 12, 2014
  7. Algebra

    Find the missing term of the arithmetic sequence 24, __, 36, ... A. 34 B. 30 C. 42 D. 20

    asked on March 14, 2019
  8. Math

    CAMERON AND HIS FAMILY WERE EATING LEFTOVER LASAGNA. There was 1/2 of the lasagna left. Cameron has one brother, one sister, and two parents. If everyone gets the same size pieces, what fraction of the original lasagna does each member of cameron's family

    asked on March 24, 2015
  9. Chemistry

    The complex ions of Zn2+ are colorless. Why? Keith, Natali, Cindy, Joel, or whoever, Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a

    asked on April 27, 2007
  10. Titration/Acid-base chem

    a .4000 M solution of nitric acid is used to titrate 50.00 mL of .237 M barium hydroxide (Assume that volumes are additive). a) Write a balanced net ionic equation for the reaction that takes place during titration. b) what are the species present at the

    asked on May 6, 2007
  11. trig

    Because of prevailing winds, a tree grew so that it was leaning 4 degrees from the vertical. At a point, 35 meters from the tree, the angle of elevation to the top of the tree is 23 degrees. Find the height h of the tree

    asked on June 10, 2008
  12. Algebra

    Suppose you drop a tennis ball from a height of 9 feet. After the ball hits the floor, it rebounds to 80% of its previous height. How high will the ball rebound after its third bounce? Round to the nearest tenth. A. 5.8 feet B. 1 feet C. 4.6 feet D. 7.2

    asked on March 14, 2019
  13. Chemistry

    what do limiting reagents have to do with... 5F2(g) + 2NH3(g) ==> N2F4(g) + 6HF(g) a)If you have 66.6 g NH3, how many grams of F2 are required for complete reaction? b)How many grams of NH3 are required to produce 4.65g HF? c)How many grams of N2F4 can be

    asked on April 5, 2010
  14. Physics

    A square coil with 30 turns has sides that are 18 cm long. When it is placed in a 0.31-T magnetic field, a maximum torque of 0.60 N⋅m is exerted on the coil. What is the current in the coil?

    asked on March 3, 2015
  15. Microeconomics

    Answer the following questions based on the graph that represents J.R.'s demand for ribs per week of ribs at Judy's rib shack. a. At the equilibrium price, how many ribs would J.R. be willing to purchase? b. How much is J.R. willing to pay for 20 ribs? c.

    asked on November 27, 2011
  16. Chemistry II

    Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823 degreees C. Calculate it's heat vaporization.

    asked on September 5, 2011
  17. physics

    A lobsterman's buoy is a solid wooden cylinder of radius r and mass M. It is weighted on one end so that it floats upright in calm sea water, having density . A passing shark tugs on the slack rope mooring the buoy to a lobster trap, pulling the buoy

    asked on November 30, 2009
  18. Math Help

    In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid confusion between "O" and zero and between "I" and one, the letters "O" and "I" are not used. How many distinct license plates can be

    asked on April 23, 2015
  19. Chemistry

    What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate? 2Al(s)+3CuSO4(aq)==>Al2(SO4)3(aq)+3Cu(s)

    asked on March 27, 2010
  20. Math

    A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?

    asked on August 12, 2014
  21. L.O

    Name, in full three(3) institutions which deal with human rights violations

    asked on June 5, 2019
  22. physics

    A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is suspended from a spring scale and completely submerged in the oil. Determine the equilibrium readings of both scales. (Use rho_1

    asked on November 15, 2009
  23. College physics

    Gun sights are adjusted to aim high to compensate for the effect of gravity, effectively making the gun accurate only for a specific range. (a) If a gun is sighted to hit targets that are at the same height as the gun and 100.0 m away, how low will the

    asked on June 25, 2017
  24. Chemistry

    The reaction of flourine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride. 5F2(g) + 2NH3(g) ==> N2F4(g) + 6HF(g) a)If you have 66.6 g NH3, how many grams of F2 are required for complete reaction? b)How many grams of NH3 are required to

    asked on April 5, 2010
  25. AP Chemsitry

    A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of base had been added. From a second buret, exactly 18.74 of 0.100 M HCl were added to the titration solution. The pH was then

    asked on April 1, 2012
  26. Basic Statistics

    The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random sample of 200 homes found that 115 were heated by natural gas. Does the evidence supports the claim, or has the percentage changed?

    asked on October 15, 2014
  27. math

    Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

    asked on November 7, 2016
  28. chemistry

    you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity

    asked on December 8, 2011
  29. Electrochem

    A baby's spoon with an area of 6.25 cm^2 is plated with silver from AgNO3 using a current of 2.00 A for two hours and 25 minutes. a) If the current efficiency is 82.0%, how many grams of silver are plated? b) What is the thickness of the silver plate

    asked on May 12, 2007
  30. Algebra

    What is the period of the function? y=4 cos pi x A. 1 B. 2 C. pi D. 2pi

    asked on May 21, 2019
  31. Trigonometry

    A dancer completes 3.2 revolutions in a pirouette. What is her angular displacement?

    asked on July 16, 2018
  32. math

    Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how many pounds of potting soil does she buy? b. if her father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

    asked on September 22, 2014
  33. College Algebra

    If a person is 66 inches tall is standing 15 feet away from a streetlight. If the person casts a shadow 84 inches long, how tall is the streetlight?

    asked on June 24, 2011
  34. Chemistry

    Distinguish between efflorescent and hygroscopic substances.

    asked on April 13, 2010
  35. Physics

    A house painter stands 3 m above the ground on a 5.3-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 638 N and the ladder weighs 143 N. Assuming no friction between the house and the upper end of the ladder,

    asked on March 17, 2012
  36. physics

    A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is suspended from a spring scale and completely submerged in the oil. Determine the equilibrium readings of both scales. (Use rho_1

    asked on November 15, 2009
  37. Physics

    A block of mass M hangs from a rubber cord. The block is supported so that the cord is not stretched. The unstretched length of the cord is L_0 and its mass is m, much less than M. The "spring constant" for the cord is k. The block is released and stops at

    asked on December 2, 2009
  38. Science

    Please help check my answers 1. On a weather map, the center of the mid-latitude cyclone is labeled as an area (high/low) __________pressure. 2. On a weather map, a mid-latitude cyclone usually forms between these latitudes: A. 90 degrees and 180 degrees

    asked on October 30, 2017
  39. physics

    a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the brake pedal, after which the car decelerates at 2m/s^2. find the distance needed for the car to come to stop after the light turns

    asked on January 25, 2011
  40. Public administration/Govt

    Why are mandates such a cause of friction in intergovernmental relations? This is an essay question I am working on and am stuck as to some of the major points to highlight. Any assistance would be appreciated in getting me started.

    asked on November 29, 2007
  41. Electrochem

    An electrolytic cell produces aluminum from Al2O3 at the rate of ten kilograms a day. Assuming a yield of 100% a) how many moles of electrons must pass through the cell in one day? b) how many amperes are passing through the cell? c) how many moles of

    asked on May 13, 2007
  42. physics

    A turntable must spin at 33.7 rpm (3.53 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.5 revolutions, starting from rest? The turntable is a uniform disk of

    asked on March 17, 2012
  43. science

    number of grams of MgCl2 needed to prepare a 250ml of a 12% aqueous solution with 1.1g/ml density

    asked on June 28, 2016
  44. physics

    The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.93 s of the dive?

    asked on January 12, 2011
  45. algebra

    Find two possible numbers that differ by 8 and whose reciprocals differ by 1/6.

    asked on December 1, 2010
  46. algebra 2

    Why is a stick of gum like a sneeze?

    asked on January 14, 2010
  47. social studies

    what factor did not contribute to the conquest of the Aztecs in the early 16th century? A. The spread of European diseases B. The technological and cultural weakness of the Aztec state C. Alliances with other indigineous forces D. Religious beliefs among

    asked on August 7, 2007
  48. Statistics

    Assume that​ women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in​, and a standard deviation given by sigma equals 3.1 inσ=3.1 in. Complete parts a and b.

    asked on July 24, 2016
  49. physics

    You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 372 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 248 N and the beam's weight is 49 N. The beam's length is 1.30

    asked on March 17, 2012
  50. Public Administration

    Which of the following is an alternative to the bureaucratic paradigm? A. An organization is defined by the resources it controls B> An organization sticks to routine and focuses on its own needs C. An organization empowers front line employees D. An

    asked on December 15, 2007
  51. college algebra

    Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) x +2z=5 3x-y-z=12 6x-y-5z=27

    asked on April 24, 2017
  52. Physics

    A skydiver has an air resistance force of 1193 N and a mass of 94 kg, what is her current acceleration? Take down to be POSITIVE and use g = 10 m/s/s. Please report your units as "m/s/s"

    asked on November 2, 2010
  53. Algebra

    Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) 3x-3y+6z=15 x+2y-z=11 5x-8y+13z=19

    asked on April 24, 2017
  54. English

    12. What does the following quote reveal about Montressor’s intentions? "'Pass your hand,’ I said, ‘over the wall; you cannot help feeling the nitre. Indeed it is very damp. Once more let me implore you to return. No? Then I must positively leave

    asked on May 12, 2014
  55. Probability

    6 sided die is rolled 8 times, how many sequence of rolles are there?

    asked on April 24, 2012
  56. Physics

    A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The police car has a malfunctioning siren that is stuck at 992 Hz. What is the wavelength behind the police car in meters?

    asked on December 6, 2009
  57. Physics

    A 3.0 kg block is being pulled with a horizontal force of 29.7 N. If the block is accelerating at 3.2 m/s/s, what is the coefficient of kinetic friction between the block and the table?

    asked on November 2, 2010
  58. mat 101

    Equation for a line that passes through (6,26) and has a slope of 3 Equation for a line that passes through the points (5,5) and (10,20) Equation for a line that passes through (9,25) and has a slope of -3. Equation for a line that passes through (1,) and

    asked on June 26, 2010
  59. Social Studies / World Civilizations

    What was the most important factor that led to the defeat of the Chinese Nationalists by the Communists? A. Their cooperation with local landlords and regional officials. B. Their alliance with Japan that ended the war. C. They appealed to workers who were

    asked on September 11, 2007
  60. Social Studies

    Last question from my study guide that I am having problems with. The Scientific Revolution; A. Implied rapid changes involving large numbers of people B. Did not involve more than a few hundred human beings C. Progressed steadily from one correct thought

    asked on August 17, 2007
  61. algebra

    The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What fraction of the population is single?

    asked on February 11, 2015
  62. Computers C++

    1). After the assignment statement result = isspace('\t'); result has the value ________. 2). The data type of islower('g') is ________. 3). What will be output given the following information: float * pointer; float pay = 3.75; pointer = &pay; cout

    asked on July 14, 2013
  63. buisness

    Throughout the corporate world, businesses are transforming labor into a more flexible (and variable) cost. Among such companies are Hewlett-Packard, General Electric, DuPont, Sun Microsystems, and British Airways. Discuss whether direct labor is a fixed

    asked on November 18, 2010
  64. Chemistry

    1.a radioscope which is neutron poor and very heavy is most likely to decay by? alpha , beta, electron capture, positron emission 2. When a 235-U nucleus is struck by a thermal neutron, fission occurs often with the release of neutrons. If fission

    asked on April 27, 2007
  65. buisness

    Industry downsizing has been a major part of the corporate world, even government agencies are downsizing. GovernmentExecutive website "covers the business of the federal government and its huge departments and agencies - dozens of which dwarf the largest

    asked on November 18, 2010
  66. chemistry

    Which element is obtained primarily from the distillation of liquid air? N, He, P, Sb, Ar There are two answers to this question. http://en.wikipedia.org/wiki/Liquid_air

    asked on April 27, 2007
  67. physics

    A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the equilibrium position Use conservation of energy to find the speed of the spring when it is halfway to the equilibrium position Find

    asked on November 21, 2013
  68. microeconomics

    Many factors determine the supply and demand for labor. Identify and explain two factors that would increase or decrease the demand for labor. Identify and explain two factors that would increase or decrease the supply of labor. Use the readings and/or the

    asked on November 30, 2011
  69. m-100

    find the slope-intercept form of the straight lines,given by the following equations: (a) -4x + 2y =4 (b) 2x = 1-4y

    asked on May 5, 2011
  70. physics

    The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.93 s of the dive?

    asked on January 12, 2011
  71. Physics

    A skydiver has a terminal velocity of 9.0 m/s. If they have a mass of 98, what is their k value for their air resistance? Use g = 10 m/s/s and do not report units on your answer, they should be N s/m.

    asked on November 2, 2010
  72. chemistry

    what is the electron configuration for carbon

    asked on September 30, 2009
  73. Social Studies

    I have read the chapter concerning this subject several times in my text book and cannot find the answer for my study page. Please assist. Mercantilism encouraged economic polic makers to: A. Develop national monopolies over trade and resources B.

    asked on August 10, 2007
  74. Science

    1.what term best describes the measure of the increase in the concentration of a product per unit time? A)activation energy B)kinetics C)reaction rate D)reaction time 2. In the following equation, which of the reactants that is a bronsted-lowry acid

    asked on April 27, 2007
  75. Algebra

    Sam two student loans totaled $31,000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Sam owed $1024.40 in interest. What was the amount of each loan?

    asked on January 13, 2011
  76. Math

    The question is: A Woman is selling an (X) amount of Oranges The first time she sold half of the total Oranges and half of an Orange. The second time she sold half of what is left of the Oranges and also half of an Orange. The third time she sold half of

    asked on February 4, 2009
  77. PLEASE PLEASE help - Social Studies

    This is due Monday and I am having problems. Only have an educated guess but want to see what you all think. Industrialization in Europe A. Allowed many European artisans to become factory owners. B. Forced many artisans to become permenant wage laborers

    asked on November 9, 2007
  78. Electrochemistry

    I have an electrochem based question. I'm trying to solve for E* based on a chart in my book. I know the equation for solving this is E*= E*ox + E*red. The chart in my book gives a list of reactions and a E*red value. My teacher told us that the greater,

    asked on May 12, 2007
  79. law

    In your opinion what do you think is more important, civil liberties or security? Do you think that one outweighs the other?

    asked on February 15, 2015
  80. Math

    I need to see how this is answered. 1. Lauren deposited $200 into her savings account with 1% interest rate compounded annually. After 4 years her balance was $208.12. Colby deposited $200 into a savings account that earned a 2% simple interest rate for 4

    asked on February 10, 2015
  81. law

    What is the context of the juvenile justice system

    asked on November 16, 2014
  82. Advanced Algebra

    What is the inverse of each of the functions defined by the following equations, if the inverse exists. If the inverse does not exist for the largest possible domain, limit the domain so that the inverse will exist. In each case, give the domain and range

    asked on November 15, 2014
  83. Trigonometry

    rectangular form to polar form xy=12 rsinÆŸ rcosÆŸ=12 would the answer be: r^2=12/cosÆŸ sinÆŸ please show steps, Thanks

    asked on December 19, 2012
  84. physics

    A spinning flywheel has rotational inertia I = 401.9 kg · m2. Its angular velocity decreases from 20.5 rad/s to zero in 257.1 s due to friction. What is the frictional torque acting?

    asked on March 17, 2012
  85. calculus

    At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?

    asked on December 2, 2010
  86. algebra

    15000(1+0.07/2)^2*4

    asked on September 26, 2010
  87. mat 101

    What would my balance be if I had $100 in a savings account that had a 2% interest rate and I kept the account for a 5 year period, using continuos compounding?

    asked on July 6, 2010
  88. pre calc

    solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12

    asked on May 19, 2010
  89. 3rd grade

    What is the key words of the Vowel Pair and the Vowel Digraph?

    asked on May 13, 2010
  90. 10th grade

    how to simplify radicals

    asked on February 2, 2010
  91. public administration

    LAST QUESTION I PROMISE> I AM STUCK PLEASE HELP In the area of public administration, which of the following is considered to be a reformer? A. Franklin D Roosevelt B. Dwight D Eisenhower C. Gerald R Ford D. Calvin Coolidge

    asked on January 13, 2008
  92. Public Administration

    I believe I have the correct answer for this one, but just want to make sure. According to theories of French and Raven, Martin Luther King Jr exemplified which style of power in his leadership of the civil rights movement? A. Referent power B. Coercive

    asked on December 15, 2007
  93. Public administration/Govt

    Whay are federal grant programs so important to state and local governments? This is another essay question I am workming on and am stuck as to where to begin. If you could help with some highlights or pointers I would greatly appreciate it. This course is

    asked on November 29, 2007
  94. World History / SS

    I am having trouble finding the answer to the following homework question. Can someone please assist me so I can get on the right track? Since world war ll, the European imperial countries have: A. Tried to reestablish their former empires especially in

    asked on October 3, 2007
  95. Social studies

    The first European country to adopt a program of social welfare legistaltion was A. Germany B. France C. Britain D. Russia

    asked on September 11, 2007
  96. Social Studies / World Civilizations

    In the initial years after the wars of independence, Latin Americans: A. Had driven out their colonial rulers B. Challenged the colonial economic and social structures C. Capitilized on popular, grassroots movement to effect social changes D. Both B and C

    asked on September 11, 2007
  97. History

    I am doing well with my History class, but am struggling with a few end of chapter study questions. Please assist. What Philosophies of the enlightenment did monarchs adopt in Europe? A. They sought to use education to rationalize their political and

    asked on August 19, 2007
  98. Social Studies

    I am doing well with my History class, but am struggling with a few end of chapter study questions. Please assist. What Philosophies of the enlightenment did monarchs adopt in Europe? A. They sought to use education to rationalize their political and

    asked on August 17, 2007
  99. Social Studies

    From the 16th to the 19th century, Europeans: A. Retreated from political dominance of the world B. Exerted political dominance over much of the world C. Possessed an innate cultural superiority that aided their conquest of territories D. Both B and C I am

    asked on August 10, 2007
  100. chem

    In a solution at constant H+ concentration, iodide ions react with hydrogen peroxide to produce iodine. H+ + I- + 1/2H2O2 --> 1/2I2(aq) + H2O The reaction rate can be followed by monitoring the appearance of I2. The following data were obtained:

    asked on May 10, 2007

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