Popular questions and responses by Taylor
  1. Chemistry

    When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?

    asked on December 7, 2018
  2. Chemistry

    If the rate of formation of ammonia is 0.345 M/s, what is the rate of disappearance of N2? 1/2N2(g)+3/2H2(g)-->NH3(g) a. 0.173 M/s b. 0.345 M/s c. 0.690 M/s d. 245 M/s e. 0.518 M/s

    asked on July 30, 2012
  3. math

    i am a number between 60 and 100. my ones digit is two less than my tens digit. i am a prime number. what number am i? explain.

    asked on February 21, 2014
  4. Chemistry

    Calculate Delta H for 4NH3 + 5O2 --> 4NO + 6H2O using: N2 +O2 --> 2NO DH= -180.5 kJ N2 + 3H2 --> 2NH3 DH= -91.8 kJ 2H2 + O2 --> 2H2O DH= -483.6 kJ

    asked on June 30, 2010
  5. Univ-Phys

    One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 5.0m/s, they then have the same kinetic energy. What were the original speeds of the two cars?

    asked on October 7, 2009
  6. physics

    an olympic long jumper i capable of jumping 8.0 m. Assuming hi horizonal speed is 9.1 m/s as he leaves the ground, how long is he in the air and how high doe he go? Assume that he lands standing upright that is, the same way he left the ground.

    asked on January 5, 2012
  7. physics

    starting from reast a boat increases its speed to 4.12 m/s with constant acceleration. (a) what is the boat's average speed? (b) If it take the boat 4.77s to reach this speed, how for has it traveled?

    asked on November 17, 2011
  8. physics

    A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the

    asked on March 27, 2012

    he magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. The toroid has 800 turns of large-diameter wire, each of which carries a current of 12.0 kA. (a) Find the magnitude

    asked on November 5, 2013
  10. Chemistry

    Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the

    asked on January 27, 2014
  11. Chemistry

    Given the following data, determine the rate constant of the reaction 2NO(g) + Cl2(g) 2NOCl(g) Experiment [NO] (M) [Cl2] (M) Rate (M/s) 1 0.0300 0.0100 3.4 x 10–4 2 0.0150 0.0100 8.5 x 10–5 3 0.0150 0.0400 3.4 x 10–4 a. 1.13 M –2s–1 b. 9.44 M

    asked on July 30, 2012
  12. math

    Find the maturity value of the undiscounted promissory note that states that Phillip Esterey borrowed $4,000 for a period of 7 months with ordinary interest at 7%. The date of the note was December 17, 2008. The maturity date was July 17.

    asked on October 13, 2013
  13. Story problem

    The difference of two complementary angles is 18. What is the measure if the two angles

    asked on February 17, 2014
  14. science

    Which of the following is NOT a function of proteins? a: act as a main fuel for cells B: control chemical reactions in a cell

    asked on October 22, 2013
  15. physics

    an astronaut on the planet zircon tosses a rock horizonally with a speed of 6.95 m/s. the rock falls through a vertical distance of 1.40 m and lands a horizontal distance of 8.75 m from the astronuat. what is the acceleration of gravity on zircon?

    asked on December 13, 2011
  16. Math

    A farmer needs to enclose three sides of a pasture with a fence (the fourth side is a river). The farmer has 42 meters of fence and wants the pasture to have an area of 220 sq-meters. What should the dimensions of the pasture be? (For the purpose of this

    asked on February 29, 2012
  17. math

    What do they call bowling in hawaii

    asked on October 29, 2010
  18. Geometry

    Does anyone have the answers for connections academy geometry b unit 7 lesson 7 circles unit test?

    asked on December 18, 2019
  19. math

    Please show the ratio answer as #:#. The length of a pool is twice its width. What is the ratio of the length to the width of the pool?

    asked on July 5, 2012
  20. math help please

    the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

    asked on November 18, 2013
  21. 3rd grade

    What is the Plural Possessive of elephant trunk ?

    asked on November 13, 2008
  22. Algebra 2

    The graph of an absolute value function opens up and has a vertex of (0, -3). The domain of the function is . The range of the function is

    asked on January 18, 2020
  23. Sociology (Stats) Std. Dev

    Given (μ) = 500, and σ = 100. What percentage of the SAT scores falls: A) Between 500 and 600? The percentage falls 1 σ above the (μ), 68.26% / 2 = 34.13% B) Between 400 and 600? The percentage falls 1 σ below and 1 σ above the (μ) C) Between 500

    asked on October 8, 2014
  24. Math problem

    The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of

    asked on February 17, 2014
  25. English- Ordinary People by Judith Guest

    In the book Ordinary People by Judith Guest, what are her biases? How can one determine an authors bias if it is a fiction book?

    asked on August 29, 2014
  26. phyics (PLEASE PLEASE READ)

    a bicyclist is finishing his repair of a flat tire when a friend rides by at 3.5 m/s. two seconds later, the bicyclist hops on his bike and accelerates at 2.4 m/s^2 until he catches his friend? (a) how much time does it take until he catches his friend?

    asked on November 20, 2011
  27. history

    Question 2 (04.05 MC) Using the map and your knowledge of U.S. history, what do the details of the Rocky Mountains suggest about the Lewis and Clark expedition? The group made a grave mistake in not turning back in Missouri. The group really could have

    asked on January 12, 2015
  28. Physics

    Two charged particles exert an electrostatic force of 27 N on each other. What will the magnitude of the force be if the distance between the two charges is increased to three times the original distance?

    asked on January 17, 2011
  29. Physics and Chemistry

    What chemical phenomenon accounts for the elasticity seen in solids? covalent bond hydrogen bond ionic bond all of the above.

    asked on June 6, 2009
  30. Chem

    How many moles of silver are contained in 1.00kg of silver 1.00 kg(1000g/1 kg)(1 mol/ 108 g Ag) = Answer 9.26 would this be correct or would it have like a 10 ^ ____ ????

    asked on October 24, 2007
  31. chemistry

    Some SO3(g), intially at 1.000 atm, is placed in an empty reaction vessel. At equilibrium, the total pressure is 1.017 atm. Assuming the partial pressures are in atmospheres, what is Kp for the reaction below? 2 SO3(g) ⇌ 2 SO2(g) + O2(g)

    asked on March 9, 2020
  32. history

    why did reformers want to pass the seventeenth amendment.

    asked on April 23, 2019
  33. Algebra 2

    A path of uniform width surrounds a rectangular garden that is 5m wide and 12m long. The area of the path is 168m^2. Find the width of the path.

    asked on November 4, 2014
  34. social studies HELP

    Check my answers please 1. Politics most informs a persons actions in a. Civic life *** b. work life c. private life d. school life 2. Which of the following best describes the purpose of the US Constitution? a. it restricts the rights of citizens b. it

    asked on September 12, 2014
  35. General Chemistry 1 college class

    The tomato is dropped. What is the velocity, , of the tomato when it hits the ground? Assume 82.7 of the work done in Part A is transferred to kinetic energy, , by the time the tomato hits the ground. Express your answer numerically in meters per second

    asked on October 30, 2012
  36. Physics

    An empty rubber balloon has a mass of 0.012kg. the balloon is filled with helium at 0 degrees celcius, 1 atm pressure, and a density of 0.179 kg/m3. the filled balloon has a radius of 0.5 m. a)what is the magnitude of the buoyant force acting on the

    asked on March 4, 2010
  37. Algebra 2

    Given the functions, f(x) = x2 + 2 and g(x) = 4x - 1, perform the indicated operation. When applicable, state the domain restriction. g(f(x)) 4 x2 + 1 16 x2 + 3 4 x2 + 7 16 x2 - 8 x + 3 Please help. I thinks that it is 16 x2 + 3. Thanks

    asked on January 21, 2020
  38. Algebra

    Alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression represents the total amount of change she should receive. Whats the answer?

    asked on August 25, 2015
  39. Consumer Math

    On your last credit card statement, you had a previous balance of $567.18, payments of $120, a periodic rate of 1.56 percent, and new charges totaling $45.17. What is your new balance?

    asked on March 26, 2013
  40. Chemistry

    Indicate which of the following has the highest entropy at 298 K. 0.5 g of HCN 1 mol of HCN 2 kg of HCN 2 mol of HCN All of the above have the same entropy at 298 K.

    asked on July 30, 2012
  41. College Physics

    A 40 kg child is standing on the edge of a merry-go-round in a playground. Before they were deemed too dangerous, these were quite common. They were just huge rotating platforms you could sit on while someone spun you around in uniform circular motion

    asked on April 8, 2012
  42. math

    two joggers start at the same time from opposite ends of a 10-km course. One jogger is running at 6 km/h and the other is running at 10 km/h. How long after they begin will they meet?

    asked on September 19, 2009
  43. chemistry

    the important industrial process for producing ammonia (the Haber Process), the overall reaction is: N2(g) + 3H2(g) → 2NH3(g) + 100.4 kJ A yield of NH3 of approximately 98% can be obtained at 200°C and 1,000 atmospheres of pressure. How many grams of N2

    asked on July 24, 2017
  44. math

    write a trinomial of degree 4 such that the GCF of its terms is 1

    asked on February 13, 2013
  45. math

    mr. callaway needs to purchase enough grass seed to cover a 3000 square foot lawn and a 4200 square foot lawn. if 40 ounces of grass seed will seed a 2400 square foot lawn how many ounces does he need to seed both lawns

    asked on October 3, 2012
  46. math

    Use a table of trigonometric values to find the angle è in the right triangle in the following problem. Round to the nearest degree, if necessary. cos è = 0.8192 A = 45 H =?

    asked on July 18, 2012
  47. Science

    I need a climatogram for these biomes and I can't find any! HELP! alpine temperate forest taiga ocean

    asked on April 13, 2008
  48. Algebra logs please help


    asked on January 11, 2016
  49. science/math

    a skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. what is the skateboarders acceleration? is 2.3m/s correct

    asked on September 18, 2014
  50. Helpppppp

    The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of

    asked on February 17, 2014
  51. Math

    You installed a bookshelf on the wall to organize some of your books. The books that you absolutely want on the shelf weigh a total 6 3/4 pounds. The bookshelf can handle no more than 9 pounds. You plan on filling the rest of the shelf with your paperbacks

    asked on September 9, 2013
  52. Chem- REALLY URGENT!!!

    2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

    asked on December 19, 2012
  53. math

    explain which is more accurate: measuring to the nearest millimeter or to the nearest eighth of an inch

    asked on October 21, 2012
  54. Math

    two trains are traveling toward each other adjacent tracks. one of the trains 230 feet long and is moving at a speed of 60 miles per hour. The other train is 220 feet long and is traveling at the rate of 70 miles per hour. Find the time interval between

    asked on September 14, 2012
  55. math

    what percent of 67 is 33? round to the nearest tenth of a percent. the answer is 49.3% but i don't know how he got that can you explain

    asked on June 17, 2012
  56. algebra 2

    When inflation causes the price of an item to increase the new cost C and the original cost c are related by the formula C=c(1+r)^n, where r is the rate of inflation per year as a decimal and n is the number of years. What would be the price of a $4.99

    asked on March 31, 2010
  57. Chemistry

    In a methane molecule (CH4) there are 4 single covalent bonds. In an octane molecule (C8H18) there are 25 single covalent bonds. How does the number of bonds affect the dispersion forces in samples of methane and octane? Which compound is a gas at room

    asked on March 17, 2009
  58. Algebra II

    When the range of the function is f(x) = 3x-5 when the domain is {-3, 0, 4}????

    asked on January 16, 2008
  59. algebra

    Which of the quadratic functions has the narrowest graph? a. y=-x^2 b. y=1/3x^2 c. y=3x^2 d. y=1/5x^2

    asked on May 2, 2020
  60. math

    suppose a ferris wheel is moving at a constant rate of 8 inches per second. if the diameter of the wheel is 60 feet, how long will it take the ferris wheel to make a complete revolution?

    asked on February 12, 2020
  61. Algebra 2

    Write the solution to the given inequality in interval notation. [-3,-1) (-3,-1] (-∞,-3) U [-1,∞) (-∞,-3] U (-1,∞)

    asked on January 19, 2020
  62. math

    the equation y = 2x represents a linear or non linear function.

    asked on October 23, 2019
  63. math

    Which fraction can be replaced with 1/2 when estimating with fractions A. 10/12 B. 7/16 C. 2/9 D. 1/8

    asked on February 11, 2019
  64. math

    How many real number solutions does the equation have? y=-5x^2+8x-7

    asked on June 9, 2017
  65. MATH (STATS)

    To determine the views of a students on a particular campus about fraternities, an 11-point attitude scale was administered to a random sample of 40 students. This survey yielded a sample mean of 6 (the higher the score, the more favorable the view of the

    asked on October 8, 2014
  66. ENGLISH- Ordinary People by Judith Guest

    In the book Ordinary People by Judith Guest, what are her biases? How can one determine an authors bias if it is a fiction book?

    asked on August 27, 2014
  67. Math

    Elimination X+2y=5 -3x+6y=15

    asked on February 17, 2014
  68. Algebra 1

    William, a logistician, needs to route a freight train that is 20 feet at its tallest point and 10 feet at its widest point within 3 days. The most direct path includes a single-track tunnel that needs 24 hour notice prior to use. If the tunnel is roughly

    asked on September 6, 2013
  69. Physics :)

    A block of iron at 39.0°C has mass 2.30 kg. If 3.50×104 J of heat are transferred to the block, what is its resulting temperature? The specific heat of iron is 449 (J/kg*K) Someone else had this question on here but I cannot get the right answer from the

    asked on June 20, 2012
  70. Geometry

    1.) what is the length of the line segment whose endpoints are (1,1) and (3,-3)? 2.) what are the coordinates of the midpoint of the line segment whose endpoints are (c,0) and (0,d)?

    asked on February 19, 2012
  71. Geometry

    If each exterior angle of a regular polygon measures 40 degrees, what is the total number of sides in the polygon? a.) 9 b.) 8 c.) 6 d.) 5

    asked on December 27, 2011
  72. physics

    bill steps off a 3.0-m-high diving board and drops to the water below. At the same time Ted jumps upward with a speed of 4.2 m/s from a 1.0-m-high diving board. choosing the origin to be at the water's surface and upward to be the positive direction, write

    asked on November 22, 2011
  73. physics

    A child slides down a hill on a toboggan with an acceleration if 1.5 m/s2^2. If she starts at rest, how far has she traveled in (a) 1.0s,(b) 2.0s, and (c) 3.0s?

    asked on November 17, 2011
  74. probability

    A box of 6 coins (penny, nickel, dime or quarter) worth $0.67 is shaken. What is the probability that a nickel is drawn first and then a quarter? Assume no replacement and that all coins are equally likely.

    asked on September 28, 2010
  75. Physics ang. momentum

    A diver can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5s when in the tuck position, what is the percent change in her kinetic energy as she changes

    asked on December 7, 2009
  76. Mathematics

    Aldo can choose Plan A or Plan B for his long distance charges. For each plan, cost (in dollars) depends on minutes used (per month) as shown below. (I'll try to see if I can post the graph.) 1. If Aldo makes 60 minutes of long distance calls for the

    asked on July 2, 2020
  77. Economics

    The people on Coral Island buy only juice and cloth. The CPI basket contains the quantities bought in 2013​ (the reference base​ year). The average household spent ​$60 on juice and ​$30 on cloth in 2013 when the price of juice was ​$2 a bottle

    asked on February 24, 2020
  78. English

    the sentence contains errors of common, proper, and possessive nouns. Craig and mark used the schools' Basketball court on saturday afternoon's a.Craig and Mark used the schools' Basketball court on Saturday afternoon's b.Craig and mark used the school's

    asked on September 18, 2019
  79. Accounting

    Accounts receivable will appear on which of the following financial statements? Statement of changes in stockholders’ equity Statement of cash flows Balance sheet Income statement

    asked on January 3, 2019
  80. Physics

    HBO is concerned about injuries on the set of their award winning fantasy series Game of Thrones. Star characters are given real swords which have a point of balance (centre of mass) 5.0cm above the top of the handle. For safety reasons, you are given only

    asked on March 11, 2017
  81. MATH

    Find an equation of the tangent plane to the given parametric surface at the specified point. r(u, v) = u cos vi + u sin vj + vk; u = 7, v = π/3

    asked on November 16, 2016
  82. Math

    Consider F and C below. F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C

    asked on November 9, 2016
  83. chemistry

    Mno4- + So3-2 = Mno2 + sO4-2 (in neutral solution,but H+ ions will appear in the final question) solve this redox reaction and give me the method also Thank you

    asked on January 10, 2016
  84. physics

    a convex mirror has a focal length of -10.0cm. what is the image position for an object that is placed l20.0cm from the mirror?

    asked on May 19, 2015
  85. Math

    Give three additional polar coordinate pairs for the Point B: (-3,2π/3). -2 < π < 2

    asked on May 12, 2015
  86. Physics. URGENT Help Please

    What is the separation of colors in a rainbow produced by? (Points : 1) different diffraction for different wavelengths different interference for different wavelengths

    asked on April 2, 2015
  87. Physics

    Alexis Farias realizes her dream to play golf on the moon. She hits a golf ball with an initial velocity of 23.5m/s at an angle of 35.0 degrees above the horizontal. The acceleration due to gravity on the moon is 1.67m/s^2. A). How long is the golf ball in

    asked on October 31, 2014
  88. Physics

    The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. The unstretched length of the wire is 1.8 m, and its cross-sectional area is 1.4 x 10-5 m2. The pulley is frictionless and

    asked on October 26, 2013
  89. reading

    an example of parallelism and page in to kill a mockingbird

    asked on February 2, 2013
  90. science

    lengths of railway tracks have small gaps between them. Why are the tracks built this way and what might happen it there were no gaps?

    asked on January 16, 2013
  91. science

    you are riding to school on the bus in a snowstorm. through the window, you see a lighted sign that gives the temperature as 26 degrees, but you can't make out whether the temperature scale is Celsius or Fahrenheit. which is it and how do you know

    asked on January 14, 2013
  92. Adv AP Honors Chemistry

    2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

    asked on December 19, 2012
  93. Chem Help please!!!!!

    2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

    asked on December 19, 2012
  94. Please help me!!!!

    2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

    asked on December 19, 2012
  95. math

    marty has saved $72. He spent $8 on a video rental. write a ratio as a fraction in simplest form to srpresent what portion of his savings he has left

    asked on May 3, 2012
  96. English

    for the story the street of the Canon.. -how does pepe gonzalez behave when he first arrives in the village the night of the party? -What might Gonzalez's actions suggest about the kind of person he is? -How does Gonzalez arrange to dance with Sarita?

    asked on March 19, 2012
  97. CHEM HELP!!!

    I don't get two questions out of my homework and I know the answers to them but just not how the answers were gotten. PLEASE HELP!! 1) A handbook gives the aqueous solubility of carbon monoxide at 0 C and 1 atm CO pressure to be 0.0354 mg CO per mL of

    asked on February 13, 2012
  98. math

    a student soved the equation x/+5=1 without showing all the work. the student's solution is incorrect. what error did the student make?

    asked on February 8, 2012
  99. physics

    when babe ruth hit a homer over the 7.5-m-high right field fence 95 m from home plate, roughly what wa the minimum speed of the ball when it left the bat? Assume the ball wa hit 1.0 m above the ground and it path initially made a 38 degree angle with the

    asked on January 5, 2012
  100. physics

    Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 73.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. magnitude m/s2 direction ° counterclockwise from the +x axis The angle from

    asked on October 13, 2011


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