stacy

Most 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. physical science

Please check my answers on this physical science quiz, thanks 1. in which of the following scenarios are action and reaction forces involved? a. when a tennis racket hits a ball b. when you step from a curb c. when you row a boat d. all of the above** 2.

3. English-Scarlet Letter

Chapter 13 1. The point of the statement in the first paragraph, “The public is despotic… to its generosity” is to a. Argue that the public will eventually see reason b. Assert that the public upholds certain rights for its citizens c. Suggest that

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. Math

for a cub scout meeting, the leader bought 4 pizzas, and 1 1/2 of the pizzas contained pepperoni. the scouts ate 5/6 of the pizzas that contained pepperoni. the remaining pizza that contains pepperoni represents what fraction of the 4 pizzas that the

6. 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?

7. English

Please Check my answers for Chapter 16 of the scarlet letter The narrator hints in the first paragraph that A.Hester's sin is not unique in the community B.The minister is concerned about causing a scandal c.Any interference from Chillingworth would be

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

9. math

Break apart 56 to solve 56 divided by 7

10. chemistry

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

11. chemistry

How do I draw the lewis structure for [PF5Cl]- i'm getting confused on this one!! Please explain answer Thanks =))

12. English

Please check my answers for the Scarlet Letter if I am right. If not, please help me. Chapter 13 1. The point of the statement in the first paragraph, “The public is despotic… to its generosity” is to a. Argue that the public will eventually see

13. Chem

dissociation NaCH3COO*3H2O

14. 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

15. 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?

16. chemistry

What is the molecular, ionic, and net ionic equations for Copper(II) sulfate + sodium phosphate?

17. PHYSICS

RESPONDING TO AN ALARM, A 102 KG FIREMAN GETS UP FROM DINNER AND SLIDES DOWN A POLE TO THE GROUND FLOOR OF THE BUILDING, 3.3 M BELOW. THE FIREMEN STARTS AT REST AND LANDS ON THE GROUND FLOOR WITH A SPEED OF 4.2 M/S. A.FIND THE FORCE EXERTED ON THE FIREMEN

18. Math (Probability)

It is known that steroids give users an advantage in athletic contests, but it is also known that steroid use is banned in athletics. As a result, a steroid testing program has been instituted and athletes are randomly tested. The test procedures are

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

20. 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

21. 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,

22. 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

23. Math

Find a formula for the exponential function that satisfies h(2)=22 and h(4)=14.08

24. english

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

25. 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

26. calculus

Find a formula for the exponential function that satisfies h(2)=22 and h(4)=14.08

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

28. 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

29. 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

43. 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

44. science

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

45. 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.

46. 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

47. 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,

48. Algebra 1

A math test is worth 100 points and has 38 problems. Each problem is worth either 5 or 2 points. How many problems of each point value are on the test?

49. Chemistiy

How does the presence of impurities such as copper affect the rusting of a piece of sheet metal of iron?

50. math

a cubic container was completely filled with water. when 3/4 of the water from the container was poured into a rectangular tank, the tank became 1/4 full. the capacity of the tank is 1.024 liters more than that of the cubic container. Find the length of

51. 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

52. Chemistry

complete the equation. Na + H2-->

53. Math

The distance between towns A and B is 280 km.A car and a lorry travel from A to B.The average speed of the lorry is 20km/hr less than that of the car whose speed is x km/hr.The lorry takes 1h and 10 minutes more than the car to travel from A to B.Write an

54. 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

55. PE

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

56. chem

Ethanol, C2H6O, is very soluble in water. Describe how water dissolved ethanol.

57. physics

An ore car of mass 42000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 6.8 m lower vertically, is a horizontally situated spring with constant 3.8 x 10^5 N/m. The acceleration of gravity is 9.8 m/s^2. How much is

58. 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

59. PE

Lifestyle choices and health awareness affect your position on the health continuum. wellness scale. risk factor chart**. rating.

60. broward

Calculate the molarity of 5.8 L of NaCl solution that contains 65 g of NaCl

61. 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?

62. 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?

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?

98. IT

What are the most important contemporary hardware and software trends?

99. 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