Questions Asked on
April 26, 2009

  1. Chemistry

    Wich of the following is NOT true about the blank for the experiment, 'Analysis of a Complex Iron Salt'? A. A blank is composed of the solvent used to dissolve the analyte. For this experiment, the solvent is a combination of sulfuric acid, phosphoric

    asked by uci student
  2. chromatography

    so we did this lab on chromatography, and in the beaker was 10 mL of HCI and 35 mL of acetone. IF the distilled water used to prepare the HCI solution in this experiment passed through iron pipes, then the HCI will be contaminated with FeCl3. Examine your

    asked by Natash
  3. Chemistry

    Calculate [H3O] for a solution of hydrochloric acid that is: pH=2.00 pH=3.00

    asked by Gayla
  4. english

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

    asked by stacy
  5. Geometry

    Solve for x 5/3 / 4/3 = x / 20/9 x= 25/9 =2.77777.... 5/4 = x/3 x= 15/4 = 3.75 20/36 / 21/x x= 189/5 = 37.8 x/6 = x+1 / 9 x= 2 Tell whether the lines are parallel based on the given proportions (I think they are supposed to come out equal in order for the

    asked by Anonymous
  6. Physics

    An electron moving through a uniform magnetic field with a velocity of 2.0x10^6 m/s [up] experiences a maximum magnetic force of 5.1x10^-14 N [left]. CAlculate the magnitude and direction of the magnetic field.

    asked by Susan
  7. CHEM

    Calculate the equilibrium constant for the weak base CH3NH2, if a solution of the base with an initial concentration of 7.05×10-4 M has a [CH3NH3+] of 0.000379 M (make an exact calculation assuming that initial concentration is not equal to the

    asked by harry
  8. biology please check answer

    1. Explain how the small intestine is specialized for digestion and absorption. The small intestine is specialized for absorption by the huge number of villi that line the intestinal wall. Villi have cells that produce intestinal enzymes which complete the

    asked by sam
  9. biology please help

    explain how the small intestine is speicalized for digestion and absorption my answer the small intestine, is where the major part of digestion and most of the absorption takes place.

    asked by sam
  10. chem

    1.Pippete 20ml of 0.1M acetic acid and 20ml of 0.1M NaOH into a 100ml beaker (Remember that the final volume of this solution is the sum of the volumes of the acetic acid and NaOH solutions that have been mixed) 2. Pippete 20ml of 0.1 acetic acid into

    asked by tomi
  11. psy 2PSY/210 Psychology and Health Problems10

    I need help with an assignment for psy 210 i need to write about PSY/210 Psychology and Health Problems 1400 words any help would be greatly appreciated

    asked by Shannon
  12. College Chemistry

    Calculate both [H30] and [OH-] for a solution that is: pH=5.50 ph=7.00

    asked by Gayla
  13. sciene

    Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural

    asked by Joe
  14. reading

    In the story of" Milkweed by Jerry spenilli" There is a question I did not understand Question is. How does Misha's observation reveal his state of mind? Why didn't he simply say,"the knots in the barbed wire were shiny"? Can anyone help me answer this

    asked by john
  15. geometry

    If the area of Triangle T, sides 5,12, and 13 equals the area of rectangle R, width 3, then what is the perimeter of rectangle R?

    asked by Natalie
  16. Math

    Write XY as the sum of unit vectors for X(8,2,-9)and Y(-12,-1,10). First, express XY as an ordered triple. Then write the sum of the unit vectors i,j,and k. XY = (-12,-1,10) - (8,2,-9) = (-12-8,2-1,10-(-9) = (-20,-3,19k) = -20i+j+19k

    asked by Jon
  17. Research Writing Com 220

    Read A Nation Apart. . Post your response to the following: Identify the thesis statement in the article A Nation Apart. What strategies does the author use to formulate the argument? What makes the arguments so viable and compelling?

    asked by Canda
  18. bio stats

    After a winter ice storm, 25 parrots are found sheltering in a tool shed. Ana traps the parrots, weighs them (average weight = 36 grams) and then feeds them. The next morning she find that 6 of the parrots have died. She weighs the dead ones (average

    asked by Frank Minimi
  19. biology please help

    Explain how the small intestine is specialized for digestion and absorption. the small intestine is specialized for absorption by the huge number of villi that line the intestinal wall. BUT HOW is it specialized for digestion

    asked by claire

    TRUE OR FALSE The official currency in some Spanish-speaking countries is named after famous explorers. True..?

    asked by SPANISH
  21. math

    five times an unknown number decreased by the same unknown number is less than the opposite of the sum of the unknown number and five

    asked by anonymous
  22. physics

    The rate of rotation of most pulsars gradually decreases because rotational kinetic energy is gradually converted into other forms of energy by a variety of complicated friction process. Suppose a pulsar of mass 1.5x10^30 kg and radius 20km is spinning at

    asked by Carlie
  23. 5th grade Math

    One tap can fill a barrel in 3 minutes and another can fill it in 6 minutes. Both taps are turned on together for 1 minute. What fravction of the barrel will be filled in 1 minute?

    asked by Serena
  24. Spanish-one word

    Can someone please tell me where I can find how to say "are" in Spanish. It's not in my Spanish book or Spanish dictionary we have to have for class. Thanks

    asked by Mike
  25. Organic Chemistry

    Does anyone know where I might find a step-by-step reaction mechanism for a polymer condensation reaction involving Hexamethylenediamine with Adipoyl Chloride (thus synthesizing Nylon 66)? If not, can anyone help list the steps that take place and why? Any

    asked by Zach
  26. English

    Is there a silent letter in the words comfortable and fashionable?a silent letter that is not voiced when the these words are pronounced.

    asked by LEE
  27. psy

    I think that possibly Donnie will have a bigger risk of being persuaded into peer pressures. In what I have seen it seems the more quiet individuals will give into peer pressure more easily then ones that are outgoing and outspoken. The majority of the

    asked by shantel
  28. Cultrual Diversity

    What differentiates the act of grouping people from the act of stereotype? How can stereotyping affect group relations? Give a example of a stereotype you find in your everyday life.

    asked by Canda
  29. earth

    How does plate tectonics affect sedimentation? I know that The plate tectonics not only affects the sedimentation by the formation of sedimentary rocks, but by how rocks move through the rock cycle to be igneous, sedimentary, and metamorphic rocks. But is

    asked by AW
  30. grammar

    look at the following examples. can you spot the alliteration? can you explain it? 1)they fell into the fiery furnace 2)the rifle's rapid rattle resounded round the room 3) you're bletherin,blusterin,drunken blellum

    asked by lila
  31. Romeo and Juliet quick n fast question

    In act 5 is Tybalt, Paris, and Romeo the three characters who lie dead in the tomb with Juliet?

    asked by Stacie
  32. chem

    The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 300C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at

    asked by kristin
  33. English

    1. It is only five minutes' walk. (What does 'it' mean?) 2. The bakery is five minutes' walk. (Is it correct?)

    asked by John
  34. chemistry

    Does anyone know the proper name for Thiophene, using the Hantzsch-Widmann nomenclature system?

    asked by sara
  35. Algebra

    Can someone please check my work for me. Q: Plot the graph of the equations 2x - 3y = 5 and 4x - 6y = 21 and interpret the result. A: 6(2x ¨C 3y = 5) = 12x ¨C 18y = 30 3(4x - 6y = 21) = 12x - 18y = 63 12x ¨C 18y = 30 + 12x - 18y = 63 0 ¡Ù 93

    asked by Kim
  36. trig

    I have finished the questions for the following, but could someone please check to see if my answers are right because there are no answers for these questions since it's a sheet that my teacher gave us. Ok, just let me know where my errors are and what is

    asked by Ske
  37. math

    judy wanted to buy a 2-door black used car. four fifths of the cars for sale at neal's used cars had 4 doors. one half of the 2-door cars were black. what fraction of all of neal's used cars met judy's requirement?

    asked by Anonymous
  38. Government

    Is the house of representatives and senate under repubican or democractic control, right now?

    asked by Sarah S
  39. chemistry

    Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. The presence of K+ would result in a net positive charge in the products. B. The equations cannot be

    asked by uci student
  40. Chemistry

    "blank" mL of 6.0 M H2SO4 are needed to prepare 300 mL of 1.0 M H2SO4 solution. its 49.8

    asked by uci student
  41. psy

    I think that possibly Donnie will have a bigger risk of being persuaded into peer pressures. In what I have seen it seems the more quiet individuals will give into peer pressure more easily then ones that are outgoing and outspoken. The majority of the

    asked by shantel
  42. English

    Where is the schwa sound in both the words comfortable and fashionable if it present?

    asked by LEE
  43. English

    Is there a silent letter in the word maintenance? one that is un voiced?

    asked by LEE

    TRUE OR FALSE The currency of many Spanish-speaking countries contains the images of literary characters, political leaders, and animals from that region. True?

    asked by SPANISH
  45. AE

    Write a paper describing an experience using a new technology tool. The technology can be any application or digital device that is new. Can you help me think of a few technologys to choose from? I am not sure what to use,

    asked by scooby91320002
  46. Social studies

    Who nominates judges for the Supreme Court

    asked by MM
  47. college


    asked by Jessica
  48. biology

    If you were to use an aquatic plant for your starting material, what would you expected to see in terms of pigments and absorption spectra, in comparison to results from a spinach? Explain.

    asked by tomi
  49. geology (science)

    can you help me find pictures of igneous rocks and metamphoic rocks in wisconsin dells?

    asked by scooby9132002
  50. health

    Paula Patient doesn't want her violent boyfriend to know she's getting an abortion, so she asks Dr. Bob to send all communications to her to a post office box and to phone her only at work. What should Dr. Bob do, and what is the legal basis for your

    asked by Olga
  51. English

    What are written techniques in English?

    asked by Nathan
  52. college philosophy

    Hi im suppose to write an argumentative paper where i have o compae platos beliefs and hindu beliefs in regards to pretty confused and i was wondering if there are any specific sites you can give me that compare the two...thanks!

    asked by Jon
  53. biology

    I need to convert a RNA aconcagua into an amino acid. Where do i start?

    asked by Marsie
  54. geometry

    Find the area of a rectangle that has a diagnol of 13 cm and a height of 5 cm.

    asked by Natalie
  55. Research Writing Comm 220

    Identify the thesis statement in the article A Nation Apart. What strategis does the author use to formulate his argument? What makes the arguments so viable and compeling?

    asked by Canda
  56. chemistry

    The hydornium ion concentration in blood of three different patiens was: Patient [H30+] A 5.0 X 10^-8 B 3.1 X 10^-8 C 3.2 X 10^-8 What is the pH of each patient's blood? If the normal range is 7.30-7.50, which, if any, of these patient's have an abnormal

    asked by Gayla
  57. psy

    I think that possibly Donnie will have a bigger risk of being persuaded into peer pressures. In what I have seen it seems the more quiet individuals will give into peer pressure more easily then ones that are outgoing and outspoken. The majority of the

    asked by shantel
  58. Latin

    Is this the correct declension of mea gloria? I'm not sure because it looks like there's too many vowels. If not, could you show me where I went wrong? Thanks for your explanations. mea gloria meae gloriae meae gloriae meam gloriam mea(macron)

    asked by Elyse
  59. Physics

    Im talking about the friction between a golf club and the air as the golf club is swinging towards the ball. how does the mass of the club, the velocity of the swing and the acceleration affect the friction acting on the club and how much will it slow

    asked by Lena
  60. spanish

    Esta tarde, voy a practicar artes marciales _____ las clases. a. despues de b. facilmente c. segun d. por lo menos i'm not it A?

    asked by spanish
  61. math

    how do you write this number in standard form. I will have to write the -2 in brackets because it is supposed to be a power to number but I do not know how to type that out. So the number is 10(-2). You would say 10 to the power of -2 I think.

    asked by cd
  62. Math

    For math, I have to find the area of a hexagon when all I know is that each side equals x. I also know that I have to use 3 thereoms. HELPP!

    asked by Missmoo
  63. Algebra

    I need help solving the trinomial (x squared minus four x plus seventeen equals twentynine). It has to be in 3 different methods and I have to show work but I don't know how to do it. Please help.

    asked by Mike
  64. math

    frankie has an avg of 57% and he has 2 test left worth 5% each and 1 assigment worth 1% and 2 assigment both 2% how much would he need to bring his avg to 80? all the test are out of 60 points

    asked by just wondering
  65. english

    "Once hired, the teacher will sign a contract with the board of education listing the terms of employment and what the individuals’ salary will be." This is a run-on sentence, I can't figure out how to fix it. Please help. "If a student is 18 or older

    asked by Ashley
  66. trig

    1. Write a sinusoidal function for the function with a period of 6. The function has a max of 3 at x=2 and a low point of -1. 2. Write a sinusoidal function for the function with a period of 5. The function has a max of 7 at x=1. explain it in full detail

    asked by Ske
  67. Chemistry

    Which is the anode and which is the cathode when doing the electrochemistry: Zn or I2/I- Cu or I2/I- Fe or I2/I- Ni or I2/I-

    asked by Dave
  68. Western Civilization

    There are Treatise of the three imposters and Thomas Paine's On the Religion of Deism, and compare and contrast them for their different expressions of Enlightment through on tha nature of God, reason, faith an religion. This is essay questions to discuss

    asked by mimi
  69. 11th grade

    xe^(x)-1 =0

    asked by Joey
  70. French

    Sra, Can you please proofread my paragraph. James est d'Alberta mais il habite Vernon, BC de Canada. Il a quinze ans. Il a un frère cadet nommé Thomas. Thomas a catorze ans. James aime utiliser son brillant noir ordinateur. Il couleur préférée est le

    asked by Larry
  71. adult education

    I need to know how to create an ad that is on traditional and moral and political between two political parties, the only problem I have is not the ad itself but the topics. I don't understand what traditional is when it comes to a political party, I have

    asked by sueqie
  72. Program Planning

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X= program, O=Observation, R=random assignment. For each design, please discuss all threats to internal validity. 1. Design:

    asked by Anna
  73. Please check my math

    A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

    asked by Henri
  74. english

    I have a general problem with not being able to determine when it is appropriate to use semicolons. I usually use appostrophes and it is incorrect, of course. Is there a way to recognize the place where a semicolon should go? The examples I have seen are

    asked by ~christina~
  75. Algebra 2

    Which is equivalent to 16 ^3/4? (3/4 is an exponent) It needs to be simplified into one whole number but I don't think I understand.

    asked by anonymous
  76. spanish

    Agustin esta muy cansado. Va a _____ temprano esta noche. a. acostarse b. levantarse c. peinarse d. cepillarse is it A??

    asked by spanish
  77. spanish

    "Cual es la primera cosa que haces despues de levantarte?" "_____" a. me acuesto b. te vistes c. me visto d. te despiertas i'm soo stuck..the question means "what is the first thing you do after waking up?"..but i don't know what each of the choices

    asked by spanish
  78. Algebra

    The population of Australia in x years after 1980 can be modeled by the function y=14.6*(1.014)^x. Estimate the population of Australia for each year. a) 1976 b) 1980 c) 1972 I am not sure of what to do. Help Please ?

    asked by Nancy

    TRUE OR FALSE working on the school newspaper and literary magazine are popular extracurricular activities among Guatemalan teenagers (help!) true?

    asked by SPANISH

    TRUE OR FALSE The official currency is the same in all Spanish-speaking countries False?

    asked by SPANISH
  81. Math

    Hi, I asked this question yesterday and I am still struggling with it, can someone please help me, thank you! State the image of the given point after the following transformation: (2,7) after a vertical stretch by a factor of 1/2 about the line y=1

    asked by Katie
  82. Cultural Diversity

    Consider this scenario: Deana recently decided to start attending college, yet her family is criticizing her decision. They argue that she should focus on working so she can start earning money. When she begins school, they fear she will not have as much

    asked by Canda
  83. cda goals

    I NEED Two Source designed to assist teachers in constructively dealing with children with challenger behaviors(such as aggressive behavior like hitting or biting, or shyness

    asked by Evelyn
  84. Biology

    what do sympathicomimetics do?

    asked by Mitchell
  85. science

    How do diamonds form?

    asked by Rosa
  86. 5th grade

    atoms are held together by the attraction between what

    asked by danny
  87. geology (science)

    what method is used to determine the age of a rock formation?

    asked by scooby9132002
  88. math

    divide 12

    asked by sw
  89. biology

    Hi - I am working on my study guide I am exhausted from my musical so maybe i am just not understanding this question HELP Compare where and how the major types of macromolecules are digested and absorbed within the mammalian digestive system.

    asked by sam
  90. geology (science)

    Discuss resources that are abundant in wisconsin dells?

    asked by scooby9132002
  91. social studies

    what were robert falcon scott leadership quilatys

    asked by shorty
  92. Algebra

    -x when x=7

    asked by Eric
  93. 2nd grade

    Kayla has these strawberries. She will give four strawberries to each of her three friends. How many strawberries will be left for Kayla?

    asked by shelli
  94. maths

    y=sin x Sketch. Find tangent and normal at: a) x=2pi/3 b) x=pi/2 c) x=pi/6 I'm not sure how to scale the graph. I have put the x values into sin x and have points. Not sure about this tangent and normal. Please help!

    asked by Anonymous
  95. Maths

    f(x)=1+2cos2x Find min/max, period, general solution, sketch Period is 360 divided by 2? For the general solution I know it is going to be +/- (just one number) but I'm not sure how to get the value and have no idea bout the min/max

    asked by Anonymous
  96. science

    what is the calculation of the ground state energy of the O^7+ hydrogen-like ion. can your answer be in Ve and to an approriate number of significant figures please.

    asked by mathew -b
  97. english

    Can anyone explain this quote: "our culture values knowledge, not ignorance.”

    asked by keven
  98. English

    In both the words commercial and occassion are there any silent letters that are not voiced when these words are pronounced?

    asked by LEE
  99. Cultural Diversity

    Now if you were Deana, how would you address your family's crticisms of and attitudes about higher education? How would you dispel their fears, and try to convince family members that going to clooege is a worthwhile endeavor?

    asked by Canda
  100. History

    I have a few questions about ladies-in-waiting in medieval times. Were unmarried ladies-in-waiting called Maids of Honour? Were Maids of Honour less important? Could you be unmarried and still be called a lady-in-waiting? How different was it to be a

    asked by Cassie
  101. College Chemistry

    The previous questions that I submitted are still unclear to me as a plug and chug approach does not help me at all. Can you please explain better?

    asked by Gayla
  102. spanish

    is this correct? "Vamos al cine ahora!" "Todavia no puedo salir. Primero debo _____ los dientes." a. acostarme b. secarme c. banarme d. cepillarme D?

    asked by spanish
  103. government

    why does prices that fall on raw materials in Africa prevent the government from helping it's peoples

    asked by lila
  104. science

    why are diamonds found in kimberlite?

    asked by Rosa
  105. geology (science)

    what method is used to determine the age of a rock formation like a bluff?

    asked by scooby9132002
  106. english

    What is the adverb and the prepositional phrase of this sentence? I looked up and saw a small airplane.

    asked by madalyn
  107. codes and ciphers

    what is the type of cipher or code used on edhelper work sheets?

    asked by Mark
  108. geology (science)

    can you help me find pictures of igneous rocks and metamphoic rocks in wisconsin dells?

    asked by scooby9132002
  109. philosophy

    I meant for this to go to the question article to be answered, sorry! I would like to know when you say traditional party who or what is the name of the party, could it be democratic, and do they believe that an abortion is ok, that the death penalty is

    asked by sueqie
  110. Geometry repost

    "yes, except 20/36 / 21/x x= 189/5 = 37.8 seems to have a typo, no original equation" There was a typo, it should have been: 20/36 = 21/x x= 189/5 = 37.8 So is this correct?

    asked by Anonymous
  111. Quick French

    James aime utiliser son brillant noir ordinateur What I'm trying to say here is James likes to use his shiny black computer. You said "Sa couleur" does that mean that couleur is feminine? Merci

    asked by Larry
  112. bio stats

    n a Star Trek episode, a population of tribbles (average weight of 56 grams) invade a Klingon starship. The Klingons enjoy eating the tribbles they can find. A Romulan spy smuggles the remaining tribbles (average weight of 21 grams) to Romulus prime. The

    asked by Frank Minimi
  113. College to Career

    I am learning paradigms of life. But I can't figure out what principle-centered means. Can someone please explain it to me? Also, if you can give me an example, it will help me better. Any help will be appreciated.

    asked by anonymous
  114. Governement

    What are the criminal landmark cases of the following four courts: Warren Burger Rehnquist Roberts

    asked by Sarah S
  115. english

    in the following words where is the stress?stress on the syllable - comfortable, fashionable, occasion and commercial?

    asked by LEE
  116. Health

    Where can I find information on the reoccurence of gonorrhea?

    asked by Anonymous
  117. spanish

    "Cual es la primera cosa que haces despues de levantarte?" "_____." a. Me acuesto b. Te vistes c. Me visto d. Te despiertas i'm not sure..i don't understand what the question is asking

    asked by spanish
  118. spanish

    is this correct? Agustin esta muy cansado. Va a _____ temprano esta noche. a. acostarse b. levantarse c. peinarse d. cepillarse B

    asked by spanish
  119. spanish

    "Tue instrumento toca Ud. en la orquesta?" a. toca el contrabajo b. tocamos la flauta c. toco el violin d. toca el saxofon C..?

    asked by spanish
  120. science

    How are diamonds mined?

    asked by Rosa
  121. Health

    Is there a vaccine for Gonnorhea?

    asked by Anonymous
  122. Latin

    What does Ex Pacem mean?

    asked by Natalie