Questions Asked on
April 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

    asked by Sarah
  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

    asked by Rachael
  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

    asked by Mary
  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

    asked by fanana
  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

    asked by Rafael
  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

    asked by Paul
  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

    asked by Paul
  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

    asked by Karla
  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

    asked by Natasha
  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

    asked by Mary
  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

    asked by Desmond
  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^-) = ??

    asked by Douchan
  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

    asked by Mary
  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?

    asked by Stacey Neely
  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

    asked by sam
  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?

    asked by Kayla
  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

    asked by Wendy
  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

    asked by Justin
  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

    asked by mike
  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

    asked by Blake
  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)

    asked by Stacey Neely
  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.

    asked by Cindy
  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,

    asked by charlottethetragedy (:
  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

    asked by Kristi
  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

    asked by sam
  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

    asked by Jeff
  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

    asked by Christina
  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

    asked by Rafael
  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

    asked by Ruzan
  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

    asked by benton
  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

    asked by Chrissy
  32. ? about this website

    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

    asked by Amy
  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

    asked by natn
  34. 4th GRADE MATH

    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

    asked by NITA

    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

    asked by jasmine20
  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

    asked by Josh
  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

    asked by Mike
  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

    asked by michelle
  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.

    asked by Amanda
  40. Small Business

    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.

    asked by Bryan
  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

    asked by Amy
  42. chemistry

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

    asked by DrBob222
  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."

    asked by jules
  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?

    asked by bobpursley
  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

    asked by Kung Li
  46. Statistics

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

    asked by Hope
  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

    asked by anonymous
  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

    asked by Sarah
  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

    asked by Annie
  50. math


    asked by caroline
  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

    asked by Kelly
  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

    asked by jasmine20
  53. english

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

    asked by Justin
  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

    asked by Lisa

    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

    asked by Lisa
  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

    asked by Amy
  57. physic

    Figure 1 shows a snowmobile accident

    asked by sam
  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

    asked by christina
  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

    asked by Anna
  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

    asked by Kelsey
  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.

    asked by Jeanne
  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

    asked by Wendy
  63. Literature

    What details does Frankenstein mention that makes him believe that he could have created a living Creature? This site will help you with the answers to that:

    asked by DANIELLE
  64. Biology:renal clearance

    i want to calculate the renal clearance of creatinine. rate of urine production=0.8ml min-1 creatinine concentration in urine is 15.7 mg ml-1 Thank you for using the Jiskha Homework Help Forum. A good site for kidney problems is DaVita:

    asked by bonita