Most popular questions and responses by Ron
  1. english

    which of the following is an example of an adverbial clause fragment? 1.Wherever there is a chance for a fabulous meal,2. who described the book as a compelling masterpiece or 3.that the poet choose words carefuly to convey a particular tone. I think it is

    asked on December 3, 2011

    2. Two electronics technicians are looking at the technical manual for a piece of electronic equipment. The manual refers to a particular resistor as a “2.2 megohm resistor.” Technician A says that this means that the resistance value of the resistor

    asked on July 19, 2012
  3. Physics

    Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 4.43 m/s, while Jane takes off in a direction 60.2o north of east at 5.07 m/s. How long is it before they are 24.7 m apart?

    asked on March 3, 2016
  4. chemistry buffers

    What molar ratio of HPO4 2- to H2PO4 - in solution would produce a pH of 7.0? Phosphoric acid (H3PO4), a triprotonic acid, has pKa values: 2.14, 6.86, and 12.4. Only one of the pKa values is relevant here. how do i know which pka value to use.. please

    asked on September 9, 2012
  5. chemistry 2

    A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?

    asked on April 18, 2008
  6. Algebra

    Please let me know if i answered these correctly thanks 1.Which property of the real numbers is illustrated by the following statement? 4(3x) = (4 ∙ 3)x answer: distributive property 2. Which property of the real numbers is illustrated by the following

    asked on August 3, 2012
  7. math

    a) What is the area of the tri-angle determined by the lines y= − 1/ 2x + 5,y =6x and they-axis? (b) If b > 0 and m < 0, then the line y = mx +b cuts off a triangle from the first quadrant. Express the area of that tri-angle in terms ofm andb. (c) The

    asked on October 2, 2011
  8. chemistry

    Nitrous acid, HNO2, has a Ka of 7.1 x 10^-4. what are [H3O+], [NO2-], and [OH-] in .920 M HNO2?

    asked on November 15, 2010
  9. Physics

    A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the

    asked on October 13, 2008
  10. ab calculus

    Air is being blown into a spherical balloon at the rate of 75 cm3/s. Determine the rate at which the radius of the balloon is increasing when the radius is 28 cm.

    asked on October 26, 2016
  11. Algebra

    Suppose a box is to be constructed from a square piece of material of side length x by cutting out a 3-inch square from each corner and turning up the sides. Express the volume of the box as a polynomial in the variable x

    asked on September 15, 2015
  12. Physics(quick Check)

    i am not sure if i am correct. A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what direction so that the resultant of the two forces points westward? A: southeasterly It is from the southeasterly direction rite

    asked on October 1, 2009
  13. Algebra

    A rectangular field is four times as long as it is wide. If the perimeter of the field is 400 yards, what are the fields dimensions? The width of the rectangular field is ____ yards.

    asked on October 29, 2015
  14. Trig

    The Leaning Tower of Pisa is 55m tall. The tope edge of the tower is 5m out from the bottom edge. What is the angle created between the ground and the tower? Round your answer to the nearest degree. tan -1 (55/5) = 85 degrees but my Brother says I did it

    asked on January 29, 2016
  15. english

    When you write in second person, you’re acting the part of a/an A. critic. B. observer. C. participant. D. advocate.

    asked on October 16, 2015
  16. physics

    a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second Squared to a full stop. Approximately how far does the roller coaster travel during its deceleration?

    asked on September 17, 2010
  17. Geometry

    In a right prism whose bases are regular hexagons what is the measure of the dihedral angle between adjacent lateral faces?

    asked on January 25, 2010
  18. chem 203

    Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.

    asked on April 13, 2008
  19. social studies

    which reigion was home to the sioux

    asked on September 25, 2019
  20. chemistry

    You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the smallest number of moles?

    asked on June 3, 2013
  21. English lll

    Which of the following statements about Anne Bradstreet is NOT true?

    asked on August 19, 2012
  22. Physics Help..

    A small cube (m=0.290 kg) is at a height of 261 cm up a frictionless track which has a loop of radius, R = 28.71 cm at the bottom. The cube starts from rest and slides freely down the ramp and around the loop. Find the speed of the block when it is at the

    asked on February 12, 2014
  23. pre-calculus

    An urn contains 7 red marbles labeled (1,2,3,4,5,6,7) and 5 green marbles labeled (1,2,3,4,5) four marbles are pulled out at once. what is the probability. A. all four marbles are red B. more of the marbles are green than red C. both red and green marbles

    asked on May 16, 2011
  24. physics

    A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. After 18.0 s, the wheels have made 190 rev. What is the angular acceleration of the wheels? What is the angular velocity of the wheels after 18.0

    asked on April 25, 2016
  25. math

    Angela, Mary and Tiff are all standing near the intersection of University and 42nd streets. Mary and Tiff do not move, but Angela runs toward Tiff at12 ft/sec along a straight line, as pictured. Assume the roads are50 feet wide and Tiff is60 feet north of

    asked on October 1, 2011
  26. Chemistry

    A gas weighing 23.6 g occupies a 10.0 L flask at 27 C and 780. torr of pressure. Calculate the molar mass of the gas.

    asked on November 23, 2015
  27. English

    Determine whether the statement represents a progressive view or a traditional view of literature. 1.There is no such thing as classic literature. 2.Literature can only be understood in the context of history. 3.Harry Potter books are not literature.

    asked on January 24, 2011
  28. History

    Was Hitler one of the reasons why World War II began? Yes, because he threatened world peace as a dictator when he and Germany showed agression against other countries; shortly after, WWII

    asked on April 30, 2007
  29. Precalc

    1) Janet is offered a job with a starting salary of $15,000, and a guaranteed annual increase of $600. If she takes the job, what will be her guaranteed salary for the 10th year? What would her total earnings be for the first 10 years? Answer: $21,000 ; $

    asked on November 12, 2015
  30. Math

    Justin had 5 packages with 8 bottles of water in each package. He drank some of the bottles before the trip. During the trip, he drank 5 bottles a day. He drank all of the bottles before he went home. How many bottles of water did Justin drink before the

    asked on November 3, 2015
  31. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.

    asked on November 17, 2009
  32. Microbiology

    What is the diferece between a partial diploid clone and a partial diploid cell?

    asked on November 13, 2006
  33. physics

    Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two.

    asked on April 29, 2007
  34. MATH

    1/2 - 1/64 =

    asked on February 12, 2019
  35. statistics

    6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11. This means that A. in every 100 bridge deals, each player has one ace exactly 11 times. B. in one million bridge deals, the number

    asked on November 1, 2011
  36. history

    In the context of criminal punishment, desert refers to:

    asked on May 30, 2016
  37. chem

    Predict the order of the increasing vapor pressure for the following compounds: FCH2CH2F FCH2CH2OH HOCH2CH2OH Result:the order its written that the oreder it's increasing but im not sure

    asked on June 11, 2007
  38. Physics

    The crankshaft of an engine increases its spin from 1,200 rpm to 1,500 rpm in 0.50 s. What is its angular acceleration

    asked on December 11, 2014
  39. Physics

    Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include

    asked on April 19, 2008
  40. English

    Does anybody know the author to the poem The Tide Risen the Tide Falls? by: Henry Wadsworth Longfellow

    asked on January 9, 2007
  41. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 4HNO3 -->

    asked on November 17, 2009
  42. chem -please help!!!!!!!!!!!!

    An unknown compound, X, is though to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa between 5 and 8. When 75 mL of 0.1M NaOH is added to 100 mL of a 0.1M solution of X at pH 2.0, the pH increases to 6.72. Calculate the pKa

    asked on September 10, 2012
  43. math

    2 4 6 8 -1 2 4 3 4 -4 0 0 -2 1 0 0 0 0 0 0 piviot the system about the element in row 2 colum 1 enter the augmented matrix with the cell in their original position

    asked on January 24, 2019
  44. statistics

    below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got cs?list their test

    asked on October 4, 2011
  45. Spanish II

    Fill in the blank with the correct conjugation of the verb in parentheses. ¿Cuándo (regresar) mi tía de México? A)regresamos B)regresan C)regreso D)regresa (There are more, help needed before Friday please.)

    asked on November 3, 2015
  46. chemistry

    How many grams of carbon dioxide will form if 4.4 g of propane reacts with 16.0 g of oxygen producing 7.2 g of water?

    asked on May 20, 2013
  47. math

    Write a decimal that has 3 in the tenths place and 1 in the ten-thousandths place

    asked on August 10, 2011
  48. Com 155

    I need to know if I have found the errors for an assignment. Thanks! I put the corrections in parenthesis. Comparative forms of superlative adjectives: Since 1995, the third week in April has been TV-Turnoff week. A not-for-profit group in Washington,

    asked on October 29, 2010
  49. Physics

    A motorist travels 1600 m at 80 m/s and 750 m at 100 m/s. What is the average speed of the motorist for this trip.

    asked on December 12, 2012
  50. DrBob222 : need help with the problem

    An unknown compound, X, is though to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa between 5 and 8. When 75 mL of 0.1M NaOH is added to 100 mL of a 0.1M solution of X at pH 2.0, the pH increases to 6.72. Calculate the pKa

    asked on September 11, 2012
  51. algebra

    6.67x10-11 nm2/kg2 write the gravitational constant using positive exponents

    asked on January 4, 2011
  52. budgeting

    You are estimating the contractor’s material handling cost as a factor of the material cost. After examining 6 previous contracts you have the percentage (factor) for each contract: 2.5% 6.2% 3.2% 12.9% 7.0% 15.3% All of the following would be reasonable

    asked on February 8, 2012
  53. english

    I'm having trouble with identifying the word in parathesis in the sentence- The Puritans considered buttons a (sign) of vanity.I think buttons is the direct object and sign a predicate adjective.

    asked on September 21, 2011
  54. pre calculus

    A state makes auto license plates that have two letters (excluding I, 0, and Q) followed by four digits of which the first digit is not zero. How many different license plates are possible?

    asked on March 30, 2010
  55. Fedora

    . If /home/jenny/draft and /home/alex/letter are links to the same file and the following sequence of events occurs, what will be the date in the opening of the letter? __________ a. Alex gives the command vim letter. b. Jenny gives the command vim draft.

    asked on November 7, 2013
  56. Math

    When you divide a whole number by a fraction with a numerator of 1 explain how you can find the quotient?

    asked on January 23, 2013
  57. chemistry grade 12

    Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.

    asked on November 17, 2009
  58. math

    calvin has 90 stamps. for every mexican stamp, calvin has 8 U.S. stamps. How many mexican stamps does Calvin have?

    asked on October 12, 2016
  59. Math

    Sue has 8 yards of twine she cuts the twine into equal pieces of 3/4 feet each how many pieces can he cut?

    asked on January 23, 2013
  60. Physics

    The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but

    asked on April 19, 2008
  61. statistics

    The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is the probability that their mean time for playing games is more than 8 hours per week?

    asked on November 2, 2011
  62. english

    which is less likely to be the prupose of descriptive writing? to call people to action, entertain readers with a funny sotry or recount events of a historical date.

    asked on September 7, 2011
  63. physical science

    A moving vehicle changes speed from 10 m/s to 35 m/s in only 5 seconds. What would be the acceleration rate of this vehicle?

    asked on September 7, 2011
  64. Physical Science

    why does the maximum initial reaction rate cannot be reached at low substrate concentrations.

    asked on August 1, 2011
  65. Physical Science

    Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate. What does this suggest about the importance of temperature-regulating

    asked on July 31, 2011
  66. Physics

    The deceleration(negative acceleration) of an automobile in a full skid on the dr pavement is a little greater than one half "g" or half the acceleration you would experience in free fall. Suppose you are going down the high way and you suddenly decide you

    asked on April 18, 2011
  67. chemistry grade 12

    Thanks DrBob222 for previous answers. Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O

    asked on November 17, 2009
  68. calculus

    A 13 foot ladder leaning against a wall makes an angle of degree radians with the ground. The base of the ladder is pulled away from the wall at a rate of 2ft/sec. How fast is degree changing when the base of the ladder is 5 feet way.

    asked on November 4, 2012
  69. Chemistry

    I have a question regarding the titration curve. When the ph is equal pKa that mean there are equal amount of conjugate acid to conjugate base. When a weak acid dissociates for example H3Po4 H+ H2PO4- My problem: I don’t understand how the ph rises

    asked on September 13, 2012


    asked on January 5, 2011
  71. physics

    Four point masses, each of mass 2.0 $kg$ are placed at the corners of a square of side 1.4 $m$. Find the moment of inertia of this system about an axis that is perpendicular to the plane of the square and passes through one of the masses. The system is set

    asked on April 25, 2016
  72. Physics

    An arrow is shot into the air at a velocity of 25 m/s and an angle of 32 degrees above horizontal. It lands at the same level that it was shot from. How long is the arrow in air? How far does the arrow travel?

    asked on October 17, 2012
  73. Physics

    The brakes on a parked car fall and it accelerates at a constant rate, rolling into a lamp post down the hill. the car reaches a velocity of 4.3m/s by the time it smashes into the lamp post. The time between the brakes failing and the smashing of the car

    asked on April 18, 2011
  74. chemistry grade 12

    Canada is a major producer of aluminum by the electrolysis of bauxite. However, there are no bauxite mines in Canada, and all the ore must be imported. Explain why aluminum is produced in Canada. Be sure to cite your sources.

    asked on November 17, 2009
  75. Math

    A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy? A 6 B 8 C 9 D 12 D 12

    asked on April 9, 2007
  76. Calculus

    A wire of length 12 meter is cut into two parts; one part is bent to form a square, and the other is bent to form an equilateral triangle. Where the cut cut should be made if a) the sum of the two areas is to be a maximum? b) the sum of the two areas is be

    asked on October 30, 2014
  77. busness math

    two vendors are competing for your busness.vendor A is offering you a 6/8/12 discount and vendor B is offering a discount of 7/9/10.what is the single equivalent discount being offered by each vendor(round to the nearest hundredth percent)

    asked on June 3, 2011
  78. math

    Please help me I'm stuck on this one: (5x4)-2=12+ I'll try (5x4) 20-2=12+ answer 18 or (5x4) 20-2=18 12+18=30 Really I don't think either is right

    asked on March 8, 2011
  79. accounting

    Why might an analyst incorporate the industry-market-size factor and the interrelationships among the growth, price-recovery, and productivity components into a strategic analysis of operating income?

    asked on February 2, 2011
  80. Physics

    A city planner is working on the redesign of a hilly portion of the road. An important consideration is how steep the road can be so that even a low-powered car can get up the hill without slowing down. A particular small car with a mass of 1368 kg can

    asked on February 3, 2016
  81. MATH

    if john spent $130 and matt spent $480, john will have three times as much money left as matt. how much money did each boy start with ?

    asked on October 2, 2013
  82. Physics

    On a hot day in summer, your friends decide to go rafting down a local river. Since you are afraid of water, your job is to provide them with refreshments from a bridge as they pass. When the first raft is 10 meters away, traveling at 3.5 m/s, you drop a

    asked on October 8, 2012
  83. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 10HNO3

    asked on November 19, 2009
  84. Math

    I don't want the answer I want to know how you solve the problem! A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels

    asked on April 9, 2007
  85. Physics

    A 25.2 kg block of wood is pulled across a floor at a constant 9.74 m/s with a constant 62.7 N force. The bottom of the box has a surface area of 65.1 cm2. If the block was put on its side (which has twice the surface area of the bottom) and pulled with

    asked on January 4, 2016
  86. allied school

    glady swan slipped from a sidewalk curb and twisted her right ankle. because of the severe pain cpt codes icd 9 codes icd codes

    asked on November 22, 2015
  87. Business Communication

    Which of the following is NOT an example of parallel structure? A. "Yoga can help you develop flexibility, reduce stress, and increase relaxation." B. "Learn how to analyze business audiences, improve your style, and edit thoroughly." C. "You are all

    asked on July 29, 2012
  88. Engllish

    What conclusion can you draw about Samuel Pepys from his account of the Great Fire of London? A. He maintained relations with all social strate. B He became the spokesperson of the aristocracy. C he felt responsible for organizing rescue issions. I think

    asked on December 18, 2011
  89. statistics

    in a sample of 1000 people ,113 are left handed.the results of the sample are shown in the table.find the probability that a randomly selected person is a left handed,given that she is a woman.

    asked on October 4, 2011
  90. calculus

    A plane is flying at 240mph and is climbing at 22 degrees. Find the rate at which it is gaining altitude when y=3miles

    asked on June 10, 2011
  91. accounting

    Why might an analyst incorporate the industry-market-size factor and the interrelationships among the growth, price-recovery, and productivity components into a strategic analysis of operating income?

    asked on February 2, 2011
  92. English(its related to business writing class)

    Hi I have to write Request Letter. The professor said becareful about these 2 points. 1. Use full block style. 2. Project a "you attitude." What does this both mean, can you explain to me in simple English, since english is my second language. :) Here's a

    asked on June 20, 2007
  93. math

    Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers

    asked on May 28, 2007
  94. English

    Yes, A rasin in the sun by Lorraine Hansberry OK what is your question? Are you looking for a theme? do you have any questions that need to be answered, cuz I have a whole list of them for every act First off thank you for helping me! This the? What are

    asked on April 27, 2007
  95. economics

    A speculator sells a stock short for $50 a share. The company pays a $2 annual cash dividend. After a year has passed the seller cover a short position of $42. What is the percentage return on the position (excluding the impact of any interest expense and

    asked on January 19, 2014
  96. economics

    An investor sells a stock short for $36 a share. A year later the investor cover the position at $30 a share. If the margin requirement is 60% what is the oercentage return earned on the investment? now assume the price is at $42 when the investor closes

    asked on January 19, 2014
  97. Math

    in the numeral 3,000,000, there are how many thousands

    asked on September 4, 2013
  98. Math

    Express 2.4 as a fraction in its simplest form

    asked on July 14, 2013
  99. Economics

    Opera CD buyers are located in New York and Los Angeles. At the current price for a CD, $25 in both New York and Los Angeles, aggregate demand for Opera CD is 10,000 units (i.e. the sum of the demand in New York and Los Angeles); and the price elasticity

    asked on December 8, 2012
  100. crim procedure

    Which of the following rights is dependent upon whether formal charges have been filed or a criminal prosecution has begun? Answer the Fourth Amendment protection against unreasonable search and seizure the Fifth Amendment privilege against

    asked on November 11, 2012


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