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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16.!! =)

    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
  17. MATH

    5X4/2-4EXPONET OF 2

    asked on December 9, 2007
  18. 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
  19. 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
  20. 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
  21. chemistry

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

    asked on October 13, 2010
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. psychology

    a case study is a research method in which

    asked on December 11, 2019
  30. Biology

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

    asked on February 21, 2017
  31. 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
  32. Chemistry

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

    asked on December 5, 2014
  33. Finance

    An investor buys 100 shares of a $40 stock that pays an annual cash dividend of $2 a share (a 5 percent dividend yield) and signs up for the dividend reinvestment plan. A. If neither the dividend nor the price changes, how many shares will the investor

    asked on May 1, 2014
  34. 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
  35. 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
  36. math

    find the present value of the following future amount. 600,000 at 6% compunded semiannually for 25 years what is the present value

    asked on April 23, 2013
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. chemistry

    how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions? well normally you go moles=grams/molar mass than M= moles/L but when looking for grams? what do you do........multiple .250 by .100 than divide

    asked on December 14, 2010
  44. 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
  45. literature

    the wicked witch and the big head wolf are examples of

    asked on October 23, 2007
  46. 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
  47. 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
  48. 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
  49. Chemistiy

    For the reaction: Ba(OH)2 (s) + 2 NH4Cl (s) → BaCl2 (s) + 2 H2O (l) + NH3 (g) If ammonia gas (NH3) is produced at the rate of 0.72 mol/s, what is the corresponding rate of consumption of ammonium chloride? ANS: NH4Cl is consumed at a rate of 1.4 mol/s,

    asked on January 23, 2017
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. sociology

    Justice Potter Stewart would most agree with which claim about obscenity? (Points : 1) It is easy to concretely determine what obscenity is. People can intuitively understand what obscenity is. Obscenity ought to be allowed so long as no one is harmed.

    asked on September 23, 2014
  61. 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
  62. History: Salem Witch Trials

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

    asked on November 3, 2013
  63. Social studies

    What are the east states and there capitols

    asked on October 24, 2013
  64. 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
  65. 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
  66. math

    A bicycle wheel whose radius is 30 cm covered a distancein 70 many kilometres was this distance

    asked on April 18, 2013
  67. 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
  68. 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
  69. Chemistry

    At constant temperature, a sample of 3.0L of Argon gas at 2.0 atm is compressed until the new pressure is 3.524 atm. What is the new volume?

    asked on October 13, 2012
  70. maths

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

    asked on October 4, 2012
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. Criminology

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

    asked on May 31, 2011
  77. math

    Is it reasonable for a 7th grader to use a calculator for math?

    asked on April 28, 2011
  78. 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
  79. psychology

    Brain teaser help please! Bedspread Agent and also ii_________ii oo oo

    asked on February 1, 2011
  80. psychology

    Brain teaser help please! Bedspread Agent and also ii_________ii oo oo

    asked on February 1, 2011
  81. science

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

    asked on December 6, 2010
  82. 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
  83. programming

    write a program to calculate the amount of a server's tip given the amount of the bill and the percentage tip ovtained via input dialog boxes. The output should be a complete sentence that reiterates the inputs and gives the resulting tip. here is my

    asked on October 22, 2010
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. 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
  91. 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
  92. 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
  93. Calculus

    find the equation of the tangent line to the curve when x=7. f(x)= 6-x^2

    asked on August 9, 2009
  94. Calculus

    find the equation of the tangent line to the curve when x=7. f(x)= 6-x^2

    asked on August 9, 2009
  95. chemistry

    Use the activity series of metals to write a balanced chemical equation for each single-replacement reaction. Zn(s) + AgNO3 (aq) --> NOTE: The three above is a should be a small 3. Please explain how to figure out this problem, and provide a

    asked on February 5, 2008
  96. english

    can any one help me by getting me some info on princess diana her life story or a biography or something but not he wikipedia because i have that already so plz help me ty

    asked on December 4, 2007
  97. Biology

    what are 2 essential roles that enzymes play in cells?

    asked on November 6, 2007
  98. mgt

    Draft a Luxurion Auto employee performance evaluation which will be used to evaluate Luxurion Auto salespeople. Include what you intend to measure among these three evaluation elements: 1. Individual task outcomes 2. Behaviors 3. Traits For example, when

    asked on July 6, 2007
  99. lit

    What do you think Oedipus Rex and A Raisin in the Sun imply about Sophocles’ and Lorraine Hansberry’s cultural identity?" If you go to and read the Context and Themes ... sections for each work, you'll find plenty of ideas

    asked on February 1, 2007
  100. Economy

    How to draw isoquant curves for a certain quantity? What does "increasing return to scale" and "decreasing returns to scale" mean? What is "capital input" if all I have is quantity of labor and total quqntity of product? Typically, a production isoquant is

    asked on October 23, 2006


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