# Questions Asked onSeptember 3, 2007

1. ## Chemistry

A colourless solution contains one type of ion. When one adds dilute HCl to it, a white precipitate initially forms. However, once more of the HCl solution is added, the precipitate dissolves. Explain why the ion is Pb2+ and not Al3+, Hg22+, Cu2+ nor Ag+.

2. ## A Raisin in the Sun

In what way does Mama show herself to be stronger than her children? (Please check the following): Mama is willing to give up her dream for the good of the family.

3. ## Microecon help

Please help! Review for a test and am so lost! (1) An article in the New York Times (Oct. 18, 1990) described a successful marketing campaign by the French champagne industry. The article also noted that “many executives felt giddy about the

4. ## A Raisin in the Sun

Why does Mama decide not to move? (please check the following answer): Mama decides not to move because she thinks she's aiming too high. She thinks moving would be unrealistic. She says that sometimes you have to know when to give up some things and hang

5. ## math

There are 27 pigs. The farmer needs to get them into four pens. But all the pens have to have an odd number of pigs. Zero doesn't count as a number.

6. ## Physics

The drawing shows four point charges. The value of q is 2.4 µC, and the distance d is 0.86 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity. This is a question of electric potential difference

7. ## science(chem)

Solubility: Solubility of compounds in a)water (highly polar) b)methyl alchohol (intermediate polarity) c)Hexane (nonpolar) My guess 1. Benzophenone a) not soluble b) partially soluble c) soluble 2. Malonic acid a) soluble (since it's polar) b) soluble c)

8. ## math

There are 1200 litres of water in a tank at present. IF the tank is 3/4 full, what is the capacity of the tank?

9. ## Dr.Bob (about finding the ml of ethanol)

~From before since the question's been bumped to the next page. Just copied and paste with added stuff. I'm confused as to what to do for the calculations for my lab. Lab: Semimicroscale crystalization-erylenmyeyerflask and Hirsch Funnel Weigh 0.30g of

The population increased 80 percent in 5 years. The current population is 18,000. find five years ago. 18,000 * 0.80 = 14,400 18,000 - 14,400 = 3,600 3,600 is the population five years ago? to check: 3,600 * 5 = 18,000 Is 3,600 the correct answer. Was this

11. ## Physics

An electric force moves a charge of +1.40 x 10^-4 C from point A to point B and performs 4.70 x 10^-3 J of work on the charge. (a) What is the difference (EPEA - EPEB) between the electric potential energies of the charge at the two points? ____________J

12. ## math

The Population of a town increased by 80% in 5 years. If the population is currently 18,000, find the population of this town 5 years agao. (Round to the nearest whole, if necessary). please send formula of this equation

13. ## Language

Give a common noun for the proper noun. Thursday

14. ## Physics

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.079 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside? __________ J

15. ## Lab in general

I just read my syllabus for lab and I am kind of shocked at what it says. I do know that I have to write out procedures of the lab in my nbk before coming to lab but I just read that it says "You will NOT be allowed to refer to you textbook/handout during

16. ## Chemistry

I just completed a titration lab and the balanced equation is (8H^+)+MnO4^- + 5Fe (^2+) ---> Mn + 4 H20 + 5 Fe(^3+) I'm supposed to calculate the moles of permanganate, Fe^2+ and the mass of iron from the sample. The volume of permanganate is 33.5, and the

17. ## Physics

When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 11.3 m/s, at an angle of 28° above the horizontal. (a) What is the range of his leap? (b) For how much time is he in the air?

18. ## Physics

I am also having problems understanding how to complete this problem, any help would be greatly appreciated. Two capacitors are identical, except that one is empty and the other is filled with a dielectric ( = 4.20). The empty capacitor is connected to a

19. ## English

I need to write an essay for english about a theme in the novel Huckleberry Finn by Mark Twain. I have to write my thesis on the mockery of religion (picked out of a hat). The thesis is in the traditional style with three reasons and i can only think of

20. ## Science

Discuss the importance ofeach step in the scientific method: why do you think scienctists utilize this type of experimentation? the only thing I could come up with was finding ways to keeps us alive, how fast the human population is growing and the

21. ## Music

In your opinion, what is the easiest/ most enjoyable/ exciting/ least expensive instrument to play out of the following: -flute -trumpet -trombone -clarinet -bells

22. ## english

Help on unscramble these letters : afsedrniru

23. ## Calculus

I need to find the slope of the graph of the function at the given point. Function: f(theta)=4sin(theta)-(theta) Point: (0,0) I tried finding the derivative of the function at theta=0, but I got 0 for an answer. I checked the answer in the back of my book

24. ## science(chem)

I'm confused as to what to do for the calculations for my lab. Lab: Semimicroscale crystalization-erylenmyeyerflask and Hirsch Funnel Weigh 0.30g of impure sulfanilamide and then transfer to a 10ml Erlenmeyer flask. To a second Erlenmeyer flask add about

Posted by Anonymous on Sunday, September 2, 2007 at 6:01pm. download mp3 free instrumental remix Also a continued post from yesterday: I am wondering then why it's asked this way, "BENEATHA is particularly bitter, BUT Ruth defends Walter. What does Ruth

26. ## grammar

What is the correct capitalization in this sentence? Truman became President when F.D.R. died.

27. ## Math-Equations

Help: I need an equation for the following problems: When x=25, y=? In the function table the values for x are: x = 3,5,7,9 and y = 8,14,20.26 #2 When x=8, y=? In the function table the values for x are: x = 0,2,4,6 and y = 8,18,28,38

28. ## science(chem)

If these compounds are shaken in a test tube for 10-20 sec will they form a miscible (1 layer) or immisible (form 2 layers)? a) water and ethyl alcohol miscible b)water and dimethyl ether miscible c)water and methylene chloride immisible d)water and hexane

29. ## Math

Question: You are randomly dealt 5 cards from a standard deck of 52 playing cards. What is the probability that you have at least 4 cards of the same suit? My solution: 4 [ P(4 of the same suit) ] - because there are 4 different ways to get 4 of the same

A charge of +2q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center of the square, so the potential is zero at each of the two empty

31. ## chem

1.) When determining the melting point it's described in my text as recording 2 points in the melting process. a) when the first drop of liquid is seen b) when all of the compound is liquified and since I have to determine the melting point of

32. ## Phyics Word Problems

Could you please check my work and help me with two of the problems. An airplane that flies at 100 km/h with a 10 km/h tailwind travels at 110 km/h relative to the ground. If it instead flies into a 10 km/h headwind, its groundspeed is 100km/h-10km/h = 90

33. ## chemistry

what does an atom of lead look like? what are the parts that compose of the atom? help me pls

34. ## Physics

A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 8.2 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 62° when they move past the

35. ## A Raisin in the Sun

What is your impression of Mrs. Johnson and her message? (Could you just check to see if my answer sounds all right?): My impression of Mrs. Johnson and her message is that she is basically a good person, though a little nosy. She says nice things about

36. ## Physics

What voltage is required to store 7.0 10-5 C of charge on the plates of a 5.0 µF capacitor? _________ V

37. ## language arts

does anybody know a poem that holds the theme of obsession?

38. ## Funny

I posted a question yesterday and I can't find it today. It was under Entertainment. I did not bookmark it. Was it deleted? And why?

39. ## English

It's more of a survery question where I need to ask people how they feel about advertising... Then write 250 words about it. When an author (like on T.V., newspapers, magazines) uses the word 'you' throughout the article. Do you find the second person more

40. ## sociology

Do you think ancient societies were as concerned about the environment as modern societies are today? Do you think they took care of the environment better than we do, or did they also contribute to the destruction of the environment as some societies do

41. ## english

Is the hunchback of notre dame based on a true story? Thanks

42. ## history

I need help with these two question.And if you can help me understand them as well.thanks 1)Did the U.s. governmnet fostered monopoly or oligopoly ownership throughout radio's history. 2)What are some advantages and disadvantages of government-fostered

43. ## history

I need help to even start this paper with the required information but I've re-read the chapter and I am not understanding. Can someone help me make an outline to write out a good essay on this assingment with helping answering and understanding the

44. ## A Raisin in the Sun

I do not understand this question. Could you please explain? "Beneatha is particularly bitter, but Ruth defends Walter. What does Ruth say?" (Act III, SceneI)

Posted by Mary on Monday, September 3, 2007 at 12:40pm. download mp3 free instrumental remix A charge of +2q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should

46. ## Clarinet

Does anyone play the clarinet that could give me feedback on how they like it, costs, difficulty level, etc.? Does anyone have some good info. on the clarinet (even if you don't play it)?

47. ## lovely bones

i was wondering if someone could either suggest to me some good websites or actually post the info about the gist of the book "lovely bones" esp. the main character...i have no idea what this book is about or anything, but there is an attempt at a

48. ## Science of nutrition

how do lipids move through the body so they can be digested and absorbed? How are lipds stored in the body?

49. ## ecology

I am asked for some suggestions for investigating the distribution of limpets. There are 2 areas to be considered 'sheltered' and 'exposed' and these may be good places to carry out the investigation. They are particularly interested in the relative

50. ## algebra 2

what does the sign that has a C and = over top of it mean in Algebra? Is it equals to or something else?

51. ## Algebra 1

Solve each of the following system by addition. If a unique solution does not exist,state whether the system is inconsistent or dependent. equation is like this x+5y=10 -2x-10y=-20

52. ## Grammar

When handwriting the name of a play, should it be underlined or in quotes?

53. ## Algebra

-(2x^2y)(-xy^4) (-2r/s)(s^2/-6t)

54. ## 6th grade self contained

I am looking for a form that I can have my studnets fill out weekly that briefly tells thier parents what we learned/did this week...I am calling it Peek of our week...but having difficulty making the form so wondering if there is one I can use.

55. ## chemistry

New York citys 7.9 million people have a daily per capita consumption of 173 gallons of water. how many tons of sodium flouride would be requred per year to give this watr 1 part flourine per million parts water?

56. ## Physics

Water from a garden hose that is pointed 29° above the horizontal lands directly on a sunbather lying on the ground 4.7 m away in the horizontal direction. If the hose is held 1.4 m above the ground, at what speed does the water leave the nozzle?

57. ## Search

How can I find a person online? Not like one of those "find what happened to your high school classmates" kinda sites, though.

58. ## ms.sue

Can i bother again to see if you can help me set up my paper so i can know what i should talk about in each paragraph so i do not loose myself. And hints towards what to talk about. In the previous postage.

59. ## English

What part of speech is "passion for excellence" in the following sentence? I think a noun. My granddaughter has a strong passion for excellence.

60. ## I NEED HELP REALLY BAD

IF C IS EQUAL TO X AND B IS EQUAL TO D AND THE SQUARES ROUTE OF 26 IS EQUAL TO X WAT WOULD BE THE FOMULA FOR THAT TO FIGURE OUT WAT D IS? I NEED HELP!!!!!

61. ## history

what final events triggered king leoplods handover of thre congo?

62. ## history

why was self rule initally diffiult for the congo?

63. ## Spanish

One of the countries in Central America uses Spanish as the official language of the country but also has 23 different Maya groups; each with its own dialect. What country is it?

64. ## Econ Help

Trying to study for test, don't understand. (3) Suppose that the slope of a curve showing the relationship between the number of burglaries per month (on the vertical axis) and the number of police officers (on the horizontal axis) is –0.60. a. Compute

65. ## Physics

Can please help me understand this question? A capacitor has a capacitance of 2.0 10-8 F. In the charging process, electrons are removed from one plate and placed on the other plate. When the potential difference between the plates is 540 V, how many

66. ## Clarinet again

How do you blow into the clarinet? I know w/ the either the trumpet or trombone you have to kind of make a sound like a duck or something. What about the clarinet?

67. ## science

does geographic isolation lead to speciation in self pollinating plants and asexually reproducing organisms?

68. ## History

I need some help to start this. I have to research the issues between Tecumseh and Harrison, but I can't find anything really specific. I kind of need Harrisons reasons for pushing the indians out. Can someone direct me to any websites? We haven't gotten

69. ## Eng.-GuruBlue

So, the answer to what does Ruth say would be "Yes, Lena"?

70. ## Physics

I have a forumla question. I have this formula x=1/2t^2. Is this the formula to find the acceleration that is caused by gravity?

71. ## MHO-Writeacher

wHAT does MHO mean?

72. ## A Raisin in the Sun

In Act II, Scene II, we see George again. Is your impression of him the same or has it changed? (Does this look okay): My impression of him is the same. It has not changed.

73. ## Fin301 Economics

How do I figure out Capital Budgeting in easy to understand terms. Example Cashflow is -\$500,000 and the discount rate is 0%, what is the projects net present value?

74. ## history

im doing and english essay, and i have to answer this question. How do the differences in the original 13 colonies lead to the development of "the north" and "the south"?

75. ## Accounting

I am doing some accounting homework and I'm trying to figure out a problem but got confused. It says "You pay cash to rent a storage area" obviously cash is involved, but it is equity or asset also involved?

76. ## Chemistry

In terms of a buffer solution, can one exist with a strong acid and of weak base in equal volumes but different molarities? e.g. 0.1 HCl and 0.2 NH3? I found this to be the case but still can't find a logical reasoning behind it.

77. ## maths

Mr. George has some children. Each of his sons has the same number of brothers and sisters. Each of his daughters has twice as many brothers as sisters. How many children does Mr. George have?

78. ## science

Are there any particular rules that govern whether or not a complex ion will form from a certain ion or do you just have to know them?

79. ## history

what motivated missionaries to go to the congo?

80. ## language arts

is there any poem or song that expresses obsession towards a belief?

81. ## Physics

How do you find maxium height when a ball is hit from a height of 0.08m and has a intial velocity of +7.5 m/s straight up?

82. ## Algebra II

Sue is three times as old as her sister. In one year from now, their combined ages will be 22. How old are they now?

83. ## Developmental Language

Can someone please help with this question-- I am very confused!! Davis went to the park with his dad and their dog,Sport. Davis saw lots of other dogs,pointed at them, and said,"Sport." Was Davis showing overextension or underextension? I posted this