# stacy

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

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.

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

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

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!!!

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

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?

8. ## English

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

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

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

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

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

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

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

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

16. ## chemistry........help!! =)

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

17. ## MATH

5X4/2-4EXPONET OF 2

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

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

66. ## math

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

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

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?

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).

87. ## biology

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

88. ## biology

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

89. ## biology

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

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?

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

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.

93. ## Calculus

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

94. ## Calculus

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

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 subscript...it should be a small 3. Please explain how to figure out this problem, and provide a

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

97. ## Biology

what are 2 essential roles that enzymes play in cells?

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

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 http://www.sparknotes.com/lit and read the Context and Themes ... sections for each work, you'll find plenty of ideas