Popular questions and responses by Stacy
  1. Chemistry...Help!!

    I don't even know how to start this...The valence electron configurations of several atoms are shown below. How many bonds can each atom make without hybridization? 1. Si 3S2 3P2 2. P 3S2 3P3 3. F 2S2 2P5

    asked on November 6, 2010
  2. chemistry

    Propane fuel is used in BBQs. Use the following reaction to determine how many moles of oxygen gas are needed to react with 1.6 moles of propane gas. C3H8(g)+5O2(g) --------> 4H2O(g)+ 3CO2(g)

    asked on March 30, 2015
  3. chemistry

    calculate the molarity of each of the following solutions. Help!! (a) 0.36 mol of LiNO3 L of solution (b) 70.7 g C2H6O in 2.25 L of solution (c) 11.56 mg KI in 114.2 mL of solution

    asked on November 20, 2010
  4. chemistry

    A laboratory procedure calls for making 400.0 mL of a 1.1 M NnO3 solution. What mass of NaNO3 (in g) is needed?

    asked on October 13, 2010
  5. English

    '...whose members share similar attitudes.' what grammatical name is given to the above expression and what is its function.

    asked on April 14, 2020
  6. Physics

    Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and a constant torque of 0.30 m \cdot N due to the friction between the rotating pulley and its axle. What is the magnitude of the

    asked on November 28, 2010
  7. psy

    2. Which of the following statements regarding the outcomes of Mary Ainsworth's strange situation experiments is most accurate? A. Ambivalent children may both hit and embrace their mother on her return. B. Avoidant children cry when the mother returns to

    asked on October 17, 2016
  8. chemistry

    Assuming that the total volume does not change after 0.200 g of KCl is added to 1.0 L of a saturated aqueous solution of AgCl, calculate the number of moles of Ag+ ion in the solution after equilibrium has been reestablished. For AgCl, Ksp = 1.8 × 10¯10

    asked on November 16, 2011
  9. sociology

    One who believes in a social contract theory would most agree with which statement? (Points : 1) people do not need laws to live harmoniously in society. humans make contracts in order to buy things. in order to establish society, humans agree to obey

    asked on September 23, 2014
  10. Physics

    In a 100 m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.6 s. Accelerating uniformly, Maggie took 2.20 s and Judy 2.90 s to attain maximum speed, which they maintained for the rest of the race. What was Maggie's acceleration?

    asked on February 2, 2012
  11. physics 2

    A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -9.00 nC. Find the magnitude of the electric field on the x-axis at x = 0.25 cm.

    asked on September 19, 2010
  12. MATH

    5X4/2-4EXPONET OF 2

    asked on December 9, 2007
  13. Physics

    A stone is dropped from a tower 100 meters above the ground. The stone falls past ground level and into a well. It hits the water at the bottom of the well 5.00 seconds after being dropped from the tower. Calculate the depth of the well. Given: g = -9.81

    asked on April 12, 2016
  14. chemistry

    What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/mL, should be used to make 4.60 L of an HCl solution with a of 1.9? HELP!!!

    asked on December 6, 2010
  15. Math

    A carpet company uses the template to design a rug. Write an expression for the area of the shaded region as it relates to the variable length x answer. The shaded square has a white square within it. On the outside of the shaded region there is 3x+4 on

    asked on January 4, 2018
  16. math

    The perimeter of a rectangular garden is 46. The length is 7 less than 4 times the width. What are the dimensions of the garden?

    asked on September 9, 2016
  17. Probability

    A box contains 3 blue, 5 red, 4 white marbles. If one marble drawn at random: find probability of blue given not white. Find probability of not red given not white

    asked on January 4, 2016
  18. home work help please

    Complete the Multiple Pathways to Learning assessment and the Personality Spectrum assessment. Relate results to your personal study habits. Prepare a 350- to 700-word paper where you answer the following questions: · How may you use the study techniques

    asked on September 18, 2011
  19.!! =)

    MaVa = MbVb can be used for the reaction between HCl and NaOH. Can it be used for the reaction between NaOH and H2C2O4 (oxalic acid, which can be found in rhubarb leaves, contains 2 acidic protons)? Explain your answer showing the balanced equation

    asked on November 17, 2010
  20. english

    describe the prosody of the poem (question, by May Swenson) and comment on the effect of the initial substitutions of the meter.

    asked on April 26, 2009
  21. Math

    list whole numbers 1-10 that are factors of 1260

    asked on September 3, 2008
  22. Math

    Ten less than five times a number is less than six times the number decreased by eight Does this mean 5x-10=-6x-8

    asked on September 30, 2018
  23. Chemistiy

    Arrange these acids from weakest to strongest: HClO2, HCN, HF, HCl Ik the order is : HCN < HF < HClO2 < HCl but how exactly does one come to that conclusion with no necessary given information (Ka values?). Is there a way to memorize? or a trick? to know

    asked on January 24, 2017
  24. PE

    Which side of the health triangle corresponds to getting enough rest? physical health social health mental and emotional health**** none of the above

    asked on September 27, 2015
  25. IT

    What are the most important contemporary hardware and software trends?

    asked on April 22, 2014
  26. chemistry

    N2 + 2 O2 ---> 2 NO2. Suppose 31.25 g of N and 44.0 g of oxygen react. A. Calculate the mass of Nitrogen dioxide formed. B. Which reactant is the limiting reactant? C. Calculate the mass of the excess reactant left after the reaction. D. Find the % yield

    asked on October 30, 2013
  27. Budgeting

    A well-established coffee shop, the Hot New Café, wants to build a new café for increased capacity. It’s expected sales are $800,000 for the first 5 years. Direct costs including labor and materials will be 50% of sales. Indirect costs are estimated at

    asked on March 5, 2012
  28. physics

    three more questions: 1) A 1.50kg projectile is launched at 18.0m/s from level ground. The launch angle is 26 degrees above the horizontal. (Assume negligible friction) a) What is the maximum height reached by this projectile? b) How was will the

    asked on February 17, 2011
  29. physics

    A rock is thrown from a cliff top at 18m/s, 25 degrees above the horizontal. It lands on the beach 4.2 seconds later. a) What is the height of the cliff? b) Hor far from the base of the cliff did the rock land?

    asked on February 17, 2011
  30. chemistry

    Determine the number of bromide ions in solution when 4.23 g of magnesium bromide and 1.21 g of potassium bromide are dissolved in 120mL of water. Please explain not sure how to even start this problem, thanks! chemistry - DrBob222, Wednesday, December 8,

    asked on December 8, 2010
  31. chemistry

    How many moles of KCL are contained in 114 mL of a 1.85 M KCL solution?

    asked on October 13, 2010
  32. physics 2

    A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -9.00 nC. At what distance x does the result for the infinite line of charge differ by 1.0% from that for the finite line?

    asked on September 19, 2010
  33. Geography

    Hello, can someone check my answers please? thank you. Answers are marked with * 1. What is the effect of Washington’s location on the Pacific Rim? a.International relations are difficult to develop and maintain. b.The culture in Washington is more

    asked on February 16, 2019
  34. Chemistry lab

    A 1.340gram sample of an unknown acid, H3A, was placed in a 250.0 mL volumetric flask and diluted to volume with water. A 45.35 mL sample of this acid solution was titrated with 37.77 mL of a 0.1006M NaOH solution. A) Using one set - up dimensional

    asked on March 22, 2016
  35. SS

    How did the Protestant Reformation in Europe influence the settlement of North America? European settlers of different religions chose to establish new colonies in order to spread their faith and practice their beliefs. Religious thinker John Calvin was a

    asked on October 1, 2015
  36. sentences and spelling

    Which one of the following words has the suffix -ing added correctly? A. Talking B. Hopeing C. Stoping D. Findding

    asked on April 24, 2015
  37. Chemistry

    Rank these from lowest boiling point to highest. CH4 CH3CH2CO2CH2CH3 CH3(CH2)2C=ONH2 CH3COOH

    asked on December 5, 2014
  38. sociology

    Which statement best reflects the argument that prayer in school should be protected? (Points : 1) Prayer is protected by the second amendment. Prayer contributes to virtuous ideals in the student body. Prayer is different across cultures and as such

    asked on September 23, 2014
  39. algebra

    the current in an electrical conductor varies inversely as the resistance of the conductor. If the current is 12 ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms

    asked on February 9, 2014
  40. Chemistry

    Balance equation. been working on this for almost 5 hours now, just cant do it. HCl+As2O3+NaNO3+H2O-->NO+H3AsO4+NaCl

    asked on February 5, 2014
  41. Am. History

    the English were responsible for all of the following colonies EXCEPT: Rhode Island Maryland Massachusetts New Netherland i think that it is New Netherland just looking for confirmation

    asked on July 14, 2011
  42. Grade 11 Math

    A rectangular dog run is to be enclosed by a fence and then divided into two smaller rectangular areas by a fence parallel to one of the sides. If 54m of fence is available, find the dimensions of the dog run of greatest possible area. State the total area

    asked on April 26, 2011
  43. chemistry

    calculate the enthalpy of formation, per mole, of sucrose, C12H2211O(s). C12H22O11(s) + 12O2(g) --> 12CO2(g) +11H2O(l) deltaH=-5.65*10^3 kJ

    asked on March 23, 2011
  44. math (plz help)

    In a movie theater, theater A has 30 seats in the first row. Each next row has 4 more seats in it than the previous row has. 1) How many seats are in the 4th row? 2) Is there a row with exactly 60 seats in it? 3) Theater B has 40 seats in the first row and

    asked on March 14, 2011
  45. science

    Crystal can ride her bike 10 miles in 2.1 hours. What is her velocity?

    asked on December 6, 2010
  46. biology

    what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

    asked on January 7, 2010
  47. biology

    what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

    asked on January 7, 2010
  48. biology

    what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

    asked on January 7, 2010
  49. algebra

    Can someone please help me??? A line from the top of a cliff to the ground passes just over the top of a pole 6.0 feet high and meets the ground at a point 7.0 feet from the base of the pole. If the point is 99 feet from the base of the cliff, how high is

    asked on November 10, 2009
  50. psychology

    a case study is a research method in which

    asked on December 11, 2019
  51. Math

    Luis has $100,000 in his retirement account at his present company. Because he is assuming a position with another company, Luis is planning to "roll over" his assets to a new account. Luis also plans to put $2000/quarter into the new account until his

    asked on November 30, 2019
  52. Math 7th grade

    A given rectangle has an area of 20 square feet.what is the length for various widths? I know a=L×W and I know 5×4 =20 . But not sure what I'm suppose to do

    asked on August 21, 2018
  53. Math 7th grade

    Oleg ran 8.8 miles in 1 hour and 20 min. Assuming he continues at a constant rate ,how long will it take him to run any number of miles? Half a mile ? 0 miles?

    asked on August 21, 2018
  54. Math

    Annie learned that on day 1 of the outbreak, there were 105 infected dogs, and on day 2, there were 120 infected dogs. She noticed that each day, 15 more dogs became infected. Annie used these numbers to set up an alternative model calculating the spread

    asked on November 6, 2017

    300 hundred people apply for three jobs. 120 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (B)If three persons are selected at random, what is the probability that one is a woman? (c)

    asked on July 25, 2017
  56. Biology

    number of water molecules produced when 14 amino acids are join to form a polypeptide bond?

    asked on February 21, 2017
  57. Chemistiy

    based on standard reduction potentials which metals would i) inhibit rusting ii)promote rusting My general statement is: > If the reduction potential is higher it will inhibits rusting and if it is lower it will promote rusting But im not sure because it

    asked on January 15, 2017
  58. psy

    4. In the _______ theory of motivation, _______ motivation is to satisfaction provided by activities that are their own reward as _______ motivation is to satisfaction derived from the reward for some kind of behavior, such as money or status. A.

    asked on October 17, 2016
  59. science

    a rock is thrown 1.8 meters into the air. find how fast it was thrown?

    asked on April 15, 2016
  60. Grade 11 Functions

    A small company manufactures a total of x products per week. The production cost is modelled by the function y=50 + 3x. The revenue is given by the function 6x - x^2/100. How many items per week should be manufactured to maximize the profit for the

    asked on January 24, 2016
  61. SS

    What is the basis for the the economic theory of mercantilism that drove the exploration and settlement of North America by Europeans? Mercantilism is rooted in the idea that a nation’s power stems from the authority of an absolute monarch. Mercantilism

    asked on October 1, 2015
  62. SS

    Which area was known as the Gold Coast because of its abundance of gold? Cape of Good Hope coast of West Africa** Portugal Mediterranean coast

    asked on October 1, 2015
  63. SS

    The Protestant Reformation was a new government. a study of scientific ideas. a religious and historical movement. an idea of the Catholic Church.

    asked on October 1, 2015
  64. 4th grade math

    mrs jacksin bought 6 gallons of juice for a party. each gallon has 16 cups. if 3 cups of juice were left over, how many cups did people drink at the party? Please help

    asked on October 15, 2014
  65. Math

    The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the

    asked on September 24, 2014
  66. sociology

    According to literature on violence in television, the average 18 year old will have seen how many violent acts? (Points : 1) 1,000 6,000 8,000 60,000 200,000

    asked on September 23, 2014
  67. History: Salem Witch Trials

    How did the Salem Witch Trials and verdicts affect the British American Constitutional Tradition?

    asked on November 3, 2013
  68. physics

    A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power that the trucks engine must supply.

    asked on May 31, 2013
  69. math

    The Flour Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what price should the cakes be sold to achieve a 40% markup based on cost

    asked on May 30, 2013
  70. Accounting

    The following is an excerpt from a conversation between the office manager, Mark Cottman and the president of Horowitz Construction Supplies, Co., Rosa Mullin. Horowitz sells building supplies to local contractors. Mark: Rosa, we’re going to have to do

    asked on May 29, 2013
  71. math

    What is the hardest part of solving equations?

    asked on May 18, 2013
  72. Probability

    An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $355,000. If only natural gas is hit, the income will be $130,000. If nothing is hit, there will be no income. If the

    asked on March 2, 2013
  73. Statistics

    Please Help!!! I am having a small Problem Working this Problem. I am just not understanding. Could someone please assist? The lifetime of a brand of DVD player follows a normal distribution with a mean of 8 years and a standard deviation of 6 months. Find

    asked on December 5, 2012
  74. chemistry

    given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water

    asked on November 13, 2012
  75. chemistry

    given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water

    asked on November 13, 2012
  76. maths

    how many piece of 3/4 inch long can be cut from a foot long card

    asked on October 4, 2012
  77. Am. History

    Evaluate President Kennedy’s performance during the Cuban Missile Crisis. Did he give up too much to the Soviets or were his strategic decision sound?

    asked on June 10, 2012
  78. Math

    Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical? The probability your company's sales will exceed seven million dollars this year. Is this relative frequency? The probability that the S&P will

    asked on November 19, 2011
  79. Eng comp

    which of the following statements about arguments is true -they always involve a direct conflict -they are always about something that has not yet been decided -they always call for some kind of action on the part of the reader -they try to establish some

    asked on November 8, 2011
  80. physics

    The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n2, where n = 1 labels the lowest, or "ground" state, n = 2 is the second state, n = 3 is the third state, and so on.

    asked on August 4, 2011
  81. Am. History

    the question was to place events in chronological order 1. French and Indian War begins 2. New Englanders capture Frech port of Oswega 3. The last French fort falls in New York 4. British capture Montreal 5. Treaty of Paris am i right?

    asked on July 23, 2011
  82. American History (Ms. Sue)

    would you mind giving the a look and see? The English, French and Spanish all wanted to claim the New World for their county. The English’s intentions were for a colony of genuine settlers who were wanting to live peacefully with the natives. Their

    asked on July 12, 2011
  83. American History

    the spanish, french, and the english all explored america and left a lasting mark on the new world's development. compare and contrast the colonbization methods used by each. be sure to discuss the goals, characteristics, and lasting effects of each

    asked on July 12, 2011
  84. Psychology

    • Write a 200- to 300-word response to the following: Identify and explain the scientific process (unsystematic observation, building theories, and evaluating propositions) as applied to personality psychology.

    asked on June 28, 2011
  85. Criminology

    what implications do psychological theories of criminal behavior have for public policy?

    asked on May 31, 2011
  86. chemistry

    Determine the number of bromide ions in solution when 4.23 g of magnesium bromide and 1.21 g of potassium bromide are dissolved in 120mL of water. Please explain not sure how to even start this problem, thanks!

    asked on December 8, 2010
  87. anatomy and physiology

    A 67-year-old man is diagnosed with cancer and subsequently undergoes chemotherapy. As an expected side effect of chemotherapy, his bone marrow stops functioning. What is a potential consequence of this loss of function?

    asked on December 3, 2010
  88. Chemistry

    C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water. Calculate the mass of water (grams) formed when 859.64 grams of the hydrocarbon reacts with the oxygen gas. can someone please show me how this is done thanks

    asked on November 25, 2010
  89. Physics

    A rigid tank contains 1.20 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to lower the pressure of the gas from 28.5 atm to 5.30 atm. Assume the volume of the tank and the temperature of the gas remain

    asked on November 5, 2010
  90. College Chemistry

    Calculate the Molarity of the solution that contains 4.00 grams of NaOH in a total volume of 1500.0 mL. [Molar Mass NaOH = 40.00g, 1 Liter = 1000 mL]

    asked on November 5, 2010
  91. Physics

    Emily challenges her husband, David, to catch a $1 bill as follows. She holds the bill vertically, with the center of the bill between David's index finger and thumb. David must catch the bill after Emily release it without moving his hand downward. If his

    asked on September 26, 2010
  92. Science (Nutrition)

    Which hormone signals the pancreas to secrete bicarbonate into the small intestine? Which hormone tells the pancreas to secrete pancreatic lipases, proteases, and amylases into the small intestine?

    asked on September 13, 2010
  93. International Business

    Why does Logitech manufacture in China and Taiwan, undertake basic R&D in California and Switzerland, design products in Ireland and coordinate marketing and operations from California?

    asked on August 17, 2010
  94. College

    I need help with the Discussion Questions for "State Automobile License Renewals" Case Studies - Chapter 9 of Principles of Operations management (Page 376).

    asked on June 9, 2010
  95. math

    Construct a box-and-whisker plot for the set of numbers. 348, 234, 146, 384, 247, 487, 276, 221, 303

    asked on April 11, 2010
  96. phys

    A toy airplane of mass 0.159 kg is tied to the ceiling with a string. The airplane moves in a horizontal circle of radius 2.97 m, with a constant speed of 1.51 m/s. What is the angle the string makeswith the vertical?

    asked on December 7, 2009
  97. Algebra/ Grammatical Correct

    If your name was Scott, I would have said, Great Scott, LOLOL

    asked on November 10, 2009
  98. Algebra

    Great Bob, now it makes sense!

    asked on November 10, 2009
  99. Algebra

    Bob thanks for answering my question, it still seems a tad bit confusing as i was thinking to use a quadratic expression formula. the formula you used is a rational expression correct??

    asked on November 10, 2009
  100. Managerial Accounting

    Please give an example of how you would use each of the financial reports (income statements, balance sheets, CVP income statements, statement of cash flows, and retained earnings statements) in order to make a business decision.

    asked on October 27, 2009


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