# Questions Asked onApril 2, 2007

1. ## Economics

Suppose that the residents of Vegopia spend all of their income on cauliflower, broccoli, and carrots. In 2006 they buy 100 heads of cauliflower for \$200, 50 bunches of broccoli for \$75, and 500 carrots for \$50. In 2007, they buy 75 heads of cauliflower

2. ## Chemistry

Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x 10^-6. a) Calculate the hydronium-ion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^-2 ion in

3. ## Physics

A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential energy of this spring/mass sytem is 2.2 J. What is the elastic potential energy of the system when the 3.2 kg block is replaced by

4. ## english help

A Midsummer Night's Dream by:William Shakespeare...answer the following Question 1 Who is chosen to play the lion in the craftsmen’s play? Question 2 Which of the young Athenians is first affected by the love potion? Question 3 Who tells Demetrius that

5. ## Chemistry

How do I determine the formula of a conjugate acid. Ex. question: Give the formula of the conjugate acid of each of the following. (a) NH2- (b) HPO42- (c) NO3- Add a H^+ to each of the bases listed. The conjugate acid of the acetate ion, CH3COO^- is

6. ## Chemistry

0.50 M HI with 0.10 M KOH pH at equivalence point? I had another problem like this and I tried to do it the same way b/c I thought that was the right thing to do but it seems as if its not? Can you help? HI + KOH ==> KI + H2O. At the equivalence point we

7. ## Chemistry Very Urgent!!

A 0.035 M solution of a weak acid (HA) has a pH of 4.88. What is the Ka of the acid? HA ==>H^+ + A^- Ka = (H^+)(A^-)/(HA) pH = -log(H^+) You know pH. Convert that to (H^+). (H^+)=(A^-) so plug those into the expression for Ka. (HA) = 0.035 M - (H^+). Plug

8. ## Chemistry

Find the pH during the titration of 20.00 mL of 0.2380 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 10-5), with 0.2380 M NaOH solution after the following additions of titrant. (a) 0 mL Ive got the answer of 2.72 (b) 10.00 mL Ive got the answer of 4.81 I'm

9. ## Early Childhood Education

Appropriate materials and equipment for outdoor play should contain which? 1. a lot of immovable parts 2. some loose parts 3. large,simple,steel units designed for a single purpose. 4. hard,strong surfaces for ground cover Shouldn't the materials and

10. ## Statistics

Find the probability that the sum is as stated when a pair of dice is rolled. A.4 or 11 or doubles B. 8,given that the sum is greater than 4. C.Even,given that the sum is greater than 4. A. 4 can be obtained by 1&3, 3&1 or 2&2. 11 can only be obtained by

11. ## Chemistry

What is the structural formulae for the hydrolysis of lactose? Lactose is a disaccharide that consists of â-D-galactose and â-D-glucose molecules bonded through a â1-4 glycosidic linkage. So if you are referring to the hydrolysis to the individual

12. ## Chemistry

What is the pOH of 2.26 M Ba(OH)2? Ba(OH)2 ==> Ba^+2 + 2OH^- (OH)^- = 2 x 2.26 M. pOH = - log(OH^-) = ??

13. ## Statistics

Bart is taking two classes, backpacking and biology. His probability of passing backpacking is 0.54, that of failing biology is 0.83, and that of passing at least one of the two courses is 0.65. Find the probability of the following. A. Joe will pass both

14. ## Effective writing skill

renting a tape of the movie Citizen Kane What is your question about this? Thank you for using the Jiskha Homework Help Forum. If you wanat to rent that movie, have you asked a Blockbuster's, Netflix or any other place renting out films?

15. ## physic

A police officer arrives at the scene of the collision of the two snowmobiles (Figure 1) to find both drivers unconscious. When the two vehicles collided, their skis became entangled and the two snowmobiles remained locked together as they skidded to a

16. ## economics

What factors might cause a rightward shift of the aggregate demand curve? What factors might cause a rightward shift of the aggregate supply curve?

17. ## english

I need to do an essay on two formally organized groups and their association with each other. I have done one already on Teachers and the Teachers Union and I cant do the same subject twice. So no more unions. I also submitted an article on the Boy Scouts

18. ## Statistics

Could someone please help me with this question. I did the entire question, but then when I was assigning them to the two different types of treatments, I was having some trouble. I just figured that you could just number the females 1-42, and randomly

19. ## english help Julius caesar ...

Question 1 Caesar returns to Rome during the: Question 2 The interaction between the common people and the tribunes in the first scene primarily shows: Question 3 Who warns Caesar to beware the Ides of March? Question 4 The three shouts from the crowd that

20. ## Math

help me solve this conic: 12x^2+y^2+6x-9=0 not sure what you mean by "solve this conic" You want to know what kind of conic? ellipse to find out its properties you have to change it into standard form (x-h)^2/a^2 + (y-k)^2/b^2 = 1 I would first divide by

21. ## Effective writing Skill

make each of the following sentence fragments a complete sentence by combining it with an independent clause, removing the subordinating conjunctionor relative pronoun, or adding the missing subjec or verb (1) renting a tape of the movie Citizen Kane. (2)

22. ## Geography

In the film Volcano, what types of volcano's are depicted in this movie? Name the parts of the volcano which are depicted in the movie. Please help. I watched the movie, but still didn't get the answers. Please check this site for this information.

23. ## Science

I don't understand Newton's second law: Net Force = Mass x Acceleration I don't understand what this says. Does it mean that the higher the mass, the more force it takes to move it the same distance as a lighter mass or something? HEEELP! The equation,

24. ## oxford-chemisrty

if the total pressure of a container filled with oxygen gas, nitrogen gas and water vapor is equal to the pressure of what ? A.oxygen only B. oxygen and nitrogen only C. water vapor only D. All 3 gasses added together Dalton's Law of Partial Pressures: The

25. ## physic

A police officer arrives at the scene of the collision of the two snowmobiles (Figure 1) to find both drivers unconscious. When the two vehicles collided, their skis became entangled and the two snowmobiles remained locked together as they skidded to a

26. ## Science

Please help, I am so bored by my science lesson that I can barely focus. I read the lesson, and 5 seconds later I don't even remember what I just read. Any ideas on somehow making the Atmosphere and Solar Effects more interesting? I like history a thousand

27. ## Chemistry

A buffer is prepared by mixing 110. mL of 0.442 M HCl and 0.545 L of 0.400 M sodium acetate. How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units? The pH I have calculated to be 5.28. What do I to figure this out? I

28. ## Chemistry

A buffer containing 1.2169 M of acid, HA, and 0.1431 M of its conjugate base, A-, has a pH of 3.96. What is the pH after 0.0017 mol NaOH is added to 0.5000 L of this solution? I can't figure this out for the life of me, i'm sure its just some simple

29. ## grammar

what is the structure for conjugating verbs in subjontif Thank you for using the Jiskha Homework Help Forum. Since you label this "Grammar," do you mean in English? But because you also say "subjontif" do you mean in French? Please clarify so we give you

30. ## phsics

A charged particle is moving in a uniform magnetic field. Which of the following statements concerning the magnetic force exerted on the particle is false? A) It does not change the kinetic energy of the particle. B) It can act only on a particle in

31. ## Music Question

which would NOT be a compelling reason for teaching music? 1. Musical intelligence is an aspect of intelligence or 2. Parents expect schools to teach music Wouldn't it be number 2? There are cognitive and non cognitive aspects of intelligence. The

I have another question about this website. Are you guys all teachers and perfessors.? Thank you all for helping with my home work when ever I needed it. Many of us are teachers/professors. Always happy to be of help. retired mathteacher here retired

33. ## american civil war

i need some help quick, please help!!! 1)what did cone-shape shells replaced in the civil war? 2)what were the states that threatened to sedede from the CONFEDERACY called? 3)what was the method by which Confederacy raised money from farmers during the

WHAT IS 2/5 OF \$50.00 AND WHAT IS 3/10 OF \$50.00...IF YOU SHOW ME HOW TO GET ONE ANSWER, I CAN PROBABLY FIGURE OUT HE OTHER ONE. of means times. 2/5*50 = ?? That's (2/5)*50 = 100/5 = ?? Yes. Now, take 100 and divide it by 5. 100/5 = 100 divided by 5. What

35. ## TO THE WEBSITE

i AM REPLYING BACK TO EVERYONE AND TO THE QUESTION OF ANOTHER FELLOW STUDENT ABOUT THIS WEBSITE. THE FOLLOWING: Let me just say WOW.To everyone and all us students are extra lucky to actually have help from each and everyone of you than not knowing what to

36. ## Math

I need to make one graph showing changes in population for deer and wolves. I'm stuck because the deer scale would go by 500's. but the wolves are very small and would go by 2's! I have no idea how i can make my y-axis of my graph! any ideas? Two options

37. ## chemistry electron config

I need to know the predicted and actual electron configuration for Lanthanum I know for lets say Cr the predicted config is [Ar] 3d44s2 and the actual is [Ar]3d54s1 but lanthanum is different and i don't know how to do it. Any help? You can find the actual

38. ## poetry/essay help

Hello! I wrote an essay comparing and contrasting Anglo-Saxon vernacular riddles and Emily Dickinson literary poetry. Since my essay is 9 pages long, can someone just look over my intro and conclusion. Those are the two I'm having trouble with. If someone

39. ## Biology URGENT!!!!!!!!!

I can't find how Acrasiomycota and Myxomycota excrete and circulate. I have tried wikipedia and every other thing i could think of. Please Help. http://www.factmonster.com/ce6/sci/A0845543.html http://www.infoplease.com/ce6/sci/A0845543.html

what are some window display ideas for an auto detailing business? How about before and after pictures? The before pictures would show dirty, littered cars. The after pictures would show clean, shiny cars.

41. ## Sorry have one more question

How do you guys remember all the stuff you learned threw school? After I am done being taught something I feel like It gose of my ear. It helps to teach it every day. We must keep up with the field which means reading journals of new developments as well

42. ## chemistry

It forms NH4Cl, ammonium chloride, which is soluble in the water.

43. ## spanish

What is a "cascabel" in Spanish? Does it have to do w/a rattlesnake? The rattle?? Thank you for using the Jiskha Homework Help Forum. Yes, "cascabel" can mean "sleigh bell, jingle bell or rattlesnake."

44. ## Question-- thematic units

I can think of how A) would be correct...take for instance a thematic unit in the fourth grade on explorers...cross culturial activities would be desired. But it does not fit enzyme reactions in the Kreb's cycle. Can someone please help with this question?

45. ## More English Vocabulary and Concerns

Hello again, First of all, I want to share with you that I received an A on last week's vocabulary and writing assignment, and also on our weekly test. Thank you for helping me! I am very happy with the grade I got! This week, we have more vocabulary words

46. ## Statistics

If o(E)=8:3, find o(E').

47. ## english

feedback on metaphor poem please I am the hot chocolate on a cold, rainy day. I am bright yellow, bursting with joy. I am the sun, brightly glowing. I am the basket of treats on Easter morning. I am the shopping spree, so much fun. I am the project finally

48. ## Economics

1. Suppose there is a stock market crash in Japan. Using a well-labeled graph show the effect in the short run on the equilibrium price level in the U.S.A., equilibrium Real GDP in the Unites States of America, equilibrium unemployment rate in the Unites

49. ## Tangents!

Rohombus ABCD is circumcribed about P and has a perimeter of 32 Fing x. Hmmm. What is Fing x mean? Never mind the 'fing x', I am still trying to find P

50. ## math

75DEGREES= 30DEGREES+25DEGREES FIND THE SIN, COSINE, AND TANGENT

51. ## Science

We are having a science test soon and there is a question on the studie guide that I am not sure about. What is the differance between Michanical advantage and Ideal Michanical advantage? Isnt it frictions. Yep you are right it is friction

52. ## algebra,math

My qustion is for the following the problem reads as follows (x-1)^2 = 7 x-1=+- sqrt 7 x= 1+- sqrt 7 the method they use was factoring in order to simplify the equation to make it easier is this correc? x^2-9x-4=6 x^2-9x-10=0 (x-10)(x+1)=0 What method did

53. ## english

Haha, that is classic. Yesterday, Today, Tomorrow. Name 3 consequative days with out using Sunday, Tuesday or Thusday?

54. ## Biology

A trap left set overnight is called a trap night. 10 traps set for 1 night equals 10 trap nights. (usually left for 24 hours) a) 500 traps were set during the study. How many nights does this represent? b) What was the catch per 100 trap nights in this

A trap left set overnight is called a trap night. Ex. 10 straps set for 1 night = 10 trap nights. a) 500 traps were set during the study. How many trap nights? b) What was the catch per 100 trap nights in study? c) A catch of 12 animals per 100 trap nights

56. ## Social Studies

In social studies we are talking about the bosten massacre and when the tea was taxed then the collonest boycotted the tea. Then the women would make home made rasberry tea. I was wondering if anybody knows where to find a web site where we I get get how

57. ## physic

Figure 1 shows a snowmobile accident

58. ## english

i need help writing a "i am" metaphor poem. The format is 10 lines of I am metaphors and the 11th line is what you are like i am annoying or i am blonde or something. PLease help it is due tomorrow! Someone here will be happy to give you feedback on what

59. ## Foreign Language- Spanish

Hello, I just finished a couple of quizzes regarding nosotros commands (I have a quiz tomorrow on them) As I was completing the quiz, I noticed I got this incorrect: In context: "Vamos a decirlo" Therefore I changed it to digámoslo. However, a grammatical

60. ## Sentence Structure : English

Can you please tell me if this is a simple, compound, complex or compound-complex sentence. And can you please tell me why it is the one it is like if it's because there are two dependent clauses or whatever the case may be. The sentence is : Zhang Jie

61. ## Math

You and Bruce Willis are upright in a natatorium of liquid with containers of 5.3 gallons and 3.75. You need exactly 4 1/2 gallons of liquid to create a certain solution. How can you assure that you have exactly that amount? Show your work.

62. ## English

We are also doing a discussion on how to resolve a conflict between two workers or between a worker and a supervisor. I don't know if I am just tired or what but solutions just arent coming to mind.. help? Must have a scenario with the problem and the