1. chemistry

are the noble gases of NCCN cyanogen = Argon HCN hydrogen cyanide = Neon thanks I don't know how to answer this. There are 10 electrons, all bonding electrons in HCN. In the case of F, for example, we say its ion is isoelectronic with Ne; i.e., there are

2. econ

Suppose the production function for widgets is given by: Q = KL - 0.8K^2 - 0.2L^2 where Q represents the quantity of widgets produced, K represents the annual capital input and L represents annual labor input. (a) For K = 10, what is the average

3. supply and demand

-what happens if a shortage of a product currently exists in the market? -what happens if a priceincreases? -when a firm advertises products, what does it atten too? -in a market, conpetitive forces guarantee that any price other than the equilibrium price

4. brain teaser

7 c in the r 3pc 12 e in a d 32 t in the a EXAMPLE: 60 m in a h go minutes in an hour PLEASE HELP ME How about this one? 12 e in a d 12 eggs in a dozen 7 cups in the recipe? 7 colors in the rainbow

5. writing inequalities

sum of twice a number and 5 lies between 7 and 11 Here is how you would write that: 7 < 2x +5 < 11 You can subtract 5 from each term and divide each term by 2 while keeping the < signs in the same direction. This results in 2 < 2x < 6, and then 1 < x < 3

6. Writing

i need a idea about a story novel, it has to have the following somewhere in the story it has to mention the hawiian king it has to be realist fiction it had to be charater vs charater i need the CONFLICT OF THE STORY!!

7. Physics/Math

What are the x and y components of a vector a in the xy plane if it's direction is 215 degrees counterclockwise from the positive direction of the x axis and its magnitude is 12.9 m ? you would be in the third quadrant, so both x and y are negative. The

8. HIstoRy

Hi Major help Why did WOrld War One was called (( The End Of World Wars )) something like that ????????/ The war to end all wars. http://en.wikipedia.org/wiki/War_to_end_all_wars

9. Muscular Energy

I am working on a project on energy and I can not find a definition of muscular energy. I am in the 4th grade. Can you help? i need the ans htht

10. Comman Sense

What does cupid shooy from his bow to make people fall in love? He shoots an arrow.

11. Physics/Math

At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (9.00i + 8.00j) m/s^2. It moves at constant speed. At time t2 = 3.00s (3/4 of a revolution later), it's acceleration is (8.00i - 9.00j) m/s^2. Find the radius of the

12. Physics/Math

Given two vectors, a and b, such that a + b = a - b, find the magnitude of b. Consider the equation a + b = a - b to be n vector notation and both a and b have components. Subtract the a vector from both sides. You are left with b = -b That can only be

13. trig integration

s- integral endpoints are 0 and pi/2 i need to find the integral of sin^2 (2x) dx. i know that the answer is pi/4, but im not sure how to get to it. i know: s sin^2(2x)dx= 1/2 [1-cos (4x)] dx, but then i'm confused. The indefinite integral of (1/2) [1-cos

14. AP chem

How do you propose a mechanism for this reaction: 18H(+) + 4S2O3(2-)-->SO3(2-) + 7S + 9H2O where the rate law: rate=k[Na2S2O3] with first order respect to Na2S2O3...

15. Microeconomics

Electric utillities often practice second-degree price discrimination. Explain and show diagrammatically why the practice might improve consumer welfare.

16. Microeconomics

In the context of a supply-demand diagram of the low-skill labour market, a minimum wage above the competitive equilibrium will reduce employment relative to the competitive equilibrium. Show that the total revenue earned by labour may nonetheless

17. physics

How would you calculate the diameter of an oil molecule.A droplet of oil of given volume (cm cubed)is dropped onto a surface of water and spreads to fill area (cm square).The thickness of water is equal to the diameter of the molecule.Is there a formula to

18. english

i need some information about satire and epic in 17 and 18 century...characteristics and so on.. thank you [PDF] SATIRE AND POWER IN SEVENTEENTH-CENTURY FRANCE: THE CASE OF BOILEAU File Format: PDF/Adobe Acrobat on the predicament of the

20. algebra

Can someone please help me do this problem? That would be great! Simplify the expression: sin theta + cos theta * cot theta I'll use A for theta. Cot A = sin A / cos A Therefore: sin A + (cos A * sin A / cos A) = sin A + sin A = 2 sin A I hope this will

21. Physics

A coil is wrapped around the full length of a tube through which a soft iron rod is inserted. An aluminium ring is placed over the upper end of the rod. The time for the ring to fall is noted. When an alternating current is passed through the coil the time

22. history

What is the troubled Caribbean island nation where a president's murder led Wilson to send in the marines and assume American control of the police and finances? Mexico's president was assassinated in 1913. Almost two years later the U.S., under President

23. Science

How does solar power work? Since this is not my area of expertise, I searched Google under the key words "solar power" to get these possible sources: http://en.wikipedia.org/wiki/Solar_energy http://home.clara.net/darvill/altenerg/solar.htm I hope this

24. Chemistry

A gaseous reaction mixture contains SO2, Cl2, and SO2Cl2 in a 2 L container with the gases having the following partial pressures: P(SO2)=0.35 atm, P(SO2Cl2)=0.19 atm, P(Cl2)=0.24 atm. Kp=91 for the equilibrium system: SO2 (g) + Cl2 (g) -> SO2Cl2 (g) Is

25. TLC

The following two solvents systems were found to separate compounds x and y by flash column chromatography: X- hexanes/ethyl acetate 10:1 Y- hexanes/ethyl acetate 10:4 which is more polar X or Y? Which solvent system must be used first?

26. Punctuation Question

Which is right... After someone says something, yell "liar". After someone says something, yell "liar." After someone says something, yell "liar." See the part at this site on quotation marks for words.

27. Research paper

Hello, would anyone help me out i have to do a research paper conducting a compare and contrast of two religions. Can anyone be kind enough to give me an outline set up for this kind of paper. I have the information on both relgions but I don't know how to

28. column chromatography

A student loaded a mixture, dissolved in 1cm3 of dichloromethane, CH2Cl2, onto a small flash chromatography column and then proceeded to elute with hexanes/ethyl acetate 10:1. He/she found that all of the mixture came off in the first 4 fractions, with no

29. physics

is this the strutual formula for hydrogen cyanide H:C:::N and is this correct for cyanogen :N:::C:C:::N any advice woulds be appreciated This is more chemistry than physics. It is important to put the subject line carefully in order for the right people to

30. Strategic

Has the Department of Social Service primary competitor taken advantage of favorable conditions in its internal and external environment? Has this created competitive advantage for them? Why or why not?" What is the Department of Social Service's primary

31. trig integration

i'm having trouble evaluating the integral at pi/2 and 0. i know: s (at pi/2 and 0) sin^2 (2x)dx= s 1/2[1-cos(2x)]dx= s 1/2(x-sin(4x))dx= (x/2)- 1/8[sin (4x)] i don't understand how you get pi/4 You made a few mistakes, check again. But you don't need to

32. Modern World History

Where can i find information on the legacy of World War One? Mainly i'm lookin for The American Entrance, The Russian Exit, and The armistice. http://www.bbc.co.uk/history/worldwars/wwone/ Several sections are interesting here, including the one (scroll

33. Spanish

I have to translate a sentence to sentence that contains the words "a ticket to Barcelona." Would this be "un pasaje a Barcelona" or would it be correct to use "para" or "por" instead? Thanks. I believe you can use both 'a' and 'para'. I would probably use

34. Chemistry

Based on the fact that calcium carbonate is an ionic compound, why is it insoluble in water???? Look up your solubility rules. I'm not really sure why, but I know my book states right off that Most sulfide, carbonate, and phosphate salts are only slightly

35. research paper

can you provide me with other good points that you might think i should discuss in my paper within the outline that you provided me with. I just don't want to miss anything and give everything that is important for the comparing and contrasting of the two

36. history

http://momo.essortment.com/versaillestrea_reif.htm http://en.wikipedia.org/wiki/Treaty_of_Versailles

37. physics

For a particular type of wave in a particular medium why must f and lambda be inversely proportional. Frequency deals with the number of waves per second, while wavelength deals with the distance from peak to peak. It would be inversely proportional

38. Economics

One of the important changes in the world economy over the past three decades has been the rapid increase in capital investment in the countries of the Pacific Basin (notably Japan and Korea). What are the implications of this investment for the commodity

m-2/m-5*m+5/m-2=-1 If your problem is this: (m - 2)/(m - 5) * (m + 5)/(m - 2) = -1 (m - 2) cancels out in both the numerator and denominator on the left-hand side since you are multiplying. That leaves us with this: (m + 5)/(m - 5) = -1 To solve for m:

40. Geography

What two methods are used to represent features on the earth? On a physical map, shades of black to light gray or various colors can show elevations. On three-dimensional maps and globes, the mountains are raised slightly above the oceans.

41. Chemistry

Read earlier posts on this question and still find my self confused. The question being H2SO4(aq) -> 2H^+ (aq) + SO4^-2 (aq). A 21g sample of sulfric acid dissolved completely in sufficient water to make a 0.25 l of final solution. Calculate hydrogen ion

42. iambic pentameter english

can you please put this poem in iambic pentameter In Winter the water begins to freeze then Spring arrives and the birds begin to sing Summer comes fast as you can feel the chinook breeze Fall fast approches as leaves start falling

43. Comman Sense

What are symbols of love. (Im doing a crossword puzzle) _E_ _ _ S Can you fill the blanks? H E A R T S

44. solution

5y^2-13y+6 If you wish to factor, the factors are: (5y - 3)(y - 2) Checking using FOIL (First, Outer, Inner, Last): 5y^2 - 10y - 3y + 6 Combining like terms: 5y^2 - 13y + 6 I hope this will help.

45. Math

Which is True? A 3/5 > 1/2 B 1/2 < 4/9 C 5/11 > 1/2 D 1/2 > 5/8 How do I determine? Thanks for the help! The shortcut for doing these is as follows: Cross-multiply by multiplying the numerator of the first times the denominator of the second. Then multiply

46. English

Is this a strong thesis statement: Ms Gilman captures the struggle of the narrator as she provides evidence of the journey of the narratorâ€™s changing mental state that is not just about a woman losing her sanity but of a woman who is suffering from a

47. Chem

If you start with 3.500 g of ZnSO4 (Zinc Sulfate) & 7 H2O and heat it for 10+ minutes to remove the water of hydration, what will be the mass of water removed? Hint: Since you know the number of grams of hydrated salt present you then know the number of

48. Science

Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know. Thanks for the help. Radio waves are part of a general class of waves known as electromagnetic waves. In essence, they are electrical and

49. physics

check my anwsers please. How do we detect black holes? I think you observe their gravitational influence on things around them Is that correct? Respectively, Einstein's special theory of relativity and his general theory of relativity replace Newton's

50. math

A cue shaped box fits exactly around a soccerball with a diameter of 22.28 cm. What percent of the box is empty space? Help understand how to get to the answer, and wat it would be Cube shaped box*

51. Space Science

I can't seem to understand why lunar eclipses occur only twice a year and not monthly. I have looked up a lot of answers, but I don't understand. Thanks for the help.

52. history

What city was the first and second continental congresses and the declaration of independence approved? Philadelphia

53. Math

Hello. Well, I was wondering how you are supposed to memorize 1 times 1 (easy) through 12 times 12 (hard)! How do you do it?? Repetition is one way.

54. math

if someone gave me a dollar every hour, how much money would i have in a year? \$1/hr x (24 hr/day) x (365.25 days/yr) = ??

55. math

if someone gave me a dollar every hour, how much money would i have in a year? answered below. It isn't necessary to duplicate your posts.

56. history

is massachusetts the city where british soldiers fired on townspeople, killing five of them. And is massachuetts the city where in 1773 angered citizens dumped british tea into the harbor? http://en.wikipedia.org/wiki/American_Revolution Use Ctrl + F and

57. history

what are the two towns near boston that in 1775 the first battles of the american revolution fought in? See below. =) Whatis the answer? you said see below but there's no answer. Writeacher wants you to look at the Wikipedia website that she linked in her

58. Physics/Math

A sphere of mass 2.7 x 10^-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 41 degrees with the vertical. Find the magnitude of the push provided by the breeze and Find the tension in

59. French

I need help with the following translations from english to french: Ring- the trick is that its a crossword so the word has to fit. here are the blanks; _ A _ _ E B A G U E thank-you Can you answer another question: I need to know what a card with the

60. accouting

If a firm pays its bills with a 30-day delay, what fraction of its purchases will be paid for in the current quarter? In the following quarter? What if its payment delay is 60 days? It will pay 1/4 of its yearly bills each quarter -- no matter what its

61. Writing

i have to write a story novel, it has to have the following somewhere in the story it has to mention the hawiian king it has to be realist fiction it had to be charater vs charater i need the CONFLICT OF THE STORY!! please if can i need it by tomorrow As

62. Valentines French

I solved most of my questions but these stumped me: 1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses amis. 3.) Qui sera l'elu(e) de ton _o_ _ r. (is it coeur?) 4.) La St-Valentin est la fete de l' _ _ _ _r. 5.) On en envoie une a

63. Writing

i need a idea about a story novel, it has to have the following somewhere in the story it has to mention the hawiian king it has to be realist fiction it had to be charater vs charater i need the CONFLICT OF THE STORY!! please if can i need it by tomorrow

wat is 4+5 9

65. Valentin Frech

need to know what a card with the picture of a boy hiding behind a heart might be. I got: Carte de _ _ _ H _ I _ _ I don't know what it is :( 1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses amis. 5.) On en envoie une a celui qu'on

66. english

I need help unscambling the letters ooqtisum to make an english word that we get from spanish mosquito

67. Re: Physics/Math

A sphere of mass 2.7 x 10^-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 41 degrees with the vertical. Find the magnitude of the push provided by the breeze and Find the tension in

68. accounting

The president of Penman Corporation, John Burton, has asked you, the company's controller, to advise him on whether Penman should develop a just-in-time (JIT) inventory system.

69. Re: Physics/Math

At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (9.00i + 8.00j) m/s^2. It moves at constant speed. At time t2 = 3.00s (3/4 of a revolution later), it's acceleration is (8.00i - 9.00j) m/s^2. Find the radius of the