Questions Asked on
April 23, 2009

  1. chem

    A sample of 7.80L of NH3 (ammonia) gas at 22 degrees and 735mmHg is bubbled into a 0.350L solution of 0.400M HCL(hydrochloric acid). The Kb value for NH3 is 1.8x10-5 Assuming all the NH3 dissolves and that the volume of the solution remains at 0.350L ,

    asked by tomi
  2. Chemistry

    Question: A certain sample of phosphate rock contains 26.26% P2O5. A .5428 gram sample is analyzed by percipitating MgNH4PO4*6H2O and heating it strongly to form Mg2P2O7. compute the mass of Mg2P2O7. I'm not entirly sure what to do. Do you set up an

    asked by Eliz
  3. Physics

    A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

    asked by Malcom
  4. Romeo and Juliet (proofread essay )

    This question goes with the essay: Describe the reactions of Juliet's father and mother when Pais proposes marriage to their daughter. How are their opinions the same and how are they different? Essay: Lord Capulet, and Lady Capulet had the same reactions

    asked by Hugs n kisses
  5. Physics

    A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

    asked by Malcom
  6. Physical Science

    Suppose a whale is stranded on a beach. It is 15 meters from the sea. He weighs 1.5 x 10 to the power of 6, and the force a few people need to overcome to push him into the water is 0.25 times the whale's weight. How much work must the people do to push

    asked by Borjan
  7. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous
  8. math

    let the random variable x denote the number of girls in a five-child family. if the probability of a female birth is .5 find the probability of 0,1,2,3,4, and 5 girls in a five-child family. construct the binomial distribution and draw the histogram

    asked by miranda
  9. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous
  10. Chemistry

    1. A gas initially at 10 C must be changed to _____ C to triple the pressure. 2. When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -20000 K. According to the Clausius

    asked by Joan
  11. Physics

    A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

    asked by David
  12. A Voice: Pat Mora

    Is Pat Mora the speaker in her poem "A Voice"?

    asked by john smith
  13. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous
  14. Physics

    A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

    asked by David
  15. chem

    You are asked to bring the pH of 0.500L of 0.450M NH4Cl to 7.00. a) Which of the following solutions would you use: 10.0M HCl or 10.0M NH3? I figured that one would use the 10.0M NH3 b)How many drops (1 drop 0.05mL) of this solution would you use?

    asked by tomi
  16. physics

    What is the longest wavelength of light that will emit electrons from a metal whose work function is 3.10eV?

    asked by Anonymous
  17. algebra 2

    teresa and julia are among 10 students who have applied for a trip to washington DC. Two students from the group will be selected at random for the trip. What is the probability that teresa and julia will be the 2 students selected /

    asked by carl
  18. Romeo and Juliet quick n simple question

    What is Lord Capulet's reaction to Paris's proposal to marry juliet. And what is Lady Capulet's reaction to Paris's proposal to marry juliet. You can give me a link or you can express your own ideas.

    asked by Hugs n kisses
  19. Inorganic chemistry

    how does sodium thiosulfate neutralize chlorine

    asked by Steve
  20. Trigonometry

    I don't understand how I'm supposed set the problem up or what theta is... Use the given function value(s), and trigonometric identities (including the cofunction identities), to find the indicated trigonometric functions. sec theta = 5, tan theta 2 *

    asked by Chris
  21. human services

    2. CheckPoint: Researching Human Service Agencies One of the best ways to learn about how various human service organizations meet human needs is to research and study agencies within your city or state. Resources: Appendixes B, C, and G Due Date: Day 3

    asked by shardae
  22. johnglenn

    Discuss some of the advantages to having a cycle that partially replenishes itself. In the Calvin cycle, what would happen to the cycle if there was no carbon dioxide available

    asked by joey
  23. math

    you have to buy 100 animals. roosters cost 5.00, hens cost 1.00 and chicks cost .05cents. how many of each animal can I buy?

    asked by carol
  24. social studies

    why gupta period called the golden age of indian culture.write down your remarks about it in brief?

    asked by tushar das
  25. Inorganic chemistry

    how is chlorine neutralized using a compound containing sodium thiosulfate, what is the complete balanced equation for all species involved

    asked by Steve
  26. HCA 210 Introduction to Health Care

    What is the definition of mental illness? Can mental illness be as clearly defined as a physical illness such as diabetes? Can mental illness be cured? o Has the concept of deinstitutionalization been effective in providing needed services to the mentally

    asked by Anonymous
  27. Romeo and Juliet quick question

    Why does Juliet's parents believe that she was grieving for Tybalt's death too immoderatley? I really need help on this one.

    asked by Hugs n kisses
  28. Math

    Identify the graph of the equation 4x^2-25y^2=100. Then write the equation of the translated graph for T(5,-2) in general form. Might be another case of half right=all wrong. I left off that it's a hyperbola (x-h)^2/a^2 - (y-k)^2/b^2 = 1 x^2/25 - y^2/4 = 1

    asked by Jon
  29. science

    a metal spoon becomes hot after being left in a pan of boiling water. this is an ex. of? A)convection B)conduction C)radiation

    asked by john
  30. math

    tell whether the ordered pair is a solution of the equation y=-4x+3 1. (-2, -5) 2. (3, -9) 3. (1/2, 1) my answers: 1. no, 2. no, 3. no but I don't think they're right... can you please check??

    asked by xxx
  31. Chemistry

    Why does CdCO3 have a significantly lower decomposition temperature than CaCO3, despite the similarity in the ionic radii of Ca2+ and Cd2+? I think they both decompose to give the metal oxide and carbon dioxide. Could the polarising ability of Ca compared

    asked by Alice
  32. phyics

    The choroid and the auricle are similar because, one collects light and the other collects sound?

    asked by Anonymous
  33. chem

    A 75.0mL sample of 1.56×10−2M Na2SO4(aq) is added to 75.0mL of 1.22×10−2M of Ca(NO3)2(aq). What percentage of the Ca+ remains unprecipitated?

    asked by tomi
  34. English- Medieval Period

    This refers to Sir Gawain and the Green Knight Gawain's actions at the castle reveal that the knight's moral code values: a. strength b. courage c. loyalty d. NONE OF THE ABOVE I put B, I am not sure though.... ???

    asked by sophie
  35. english

    what type of structure is shel silverstein poem superstitious

    asked by michael
  36. 5th grade math

    what is -7+(-3)=_______

    asked by abigail
  37. Health

    A man is shot in the head, and the bullet stops just outside the dura mater. What is the innermost layer that the bullet has penetrated? A. Skin C. Fat B. Bone D. Periosteum The dura mater is a thick, tough membrane that contains channels for blood to pass

    asked by Amanda
  38. SCIENCE

    What is the 23 chromosomes in a human cell called?Why are they important? Their the sex chromosomes.They affect the gender Is my answer right?

    asked by Mike
  39. Math

    Suppose you buy flour and cornmeal in bulk to make flour tortillas and corn tortillas. Flour costs $1.50/lb. Cornmeal costs $2.50/lb. You want to spend less than $9.50 on flour and cornmeal, and you need at least 4 lb altogether. Write a system of

    asked by Angie
  40. HCA 210 Introduction to Health Care

    Occupational Outlook Handbook and search the handbook for various mental health service professions. Select two professions within the mental health service area and answer the following: o What are the professions you selected? o What type of training,

    asked by Anonymous
  41. 6th grade sc. st.

    Which democracy lets the people vote for the issues??? Direct democracy or Representative

    asked by Peyton
  42. Health

    The portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system. A. sympathetic C. peripheral B. central D. parasympathetic (c)

    asked by Amanda
  43. Chemistry

    When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -20000 K. According to the Clausius Clapeyron equation, change in Hvap is _____ kJ/mol.

    asked by Linda
  44. Health

    I ran a mile today in gym class, and I started to get really itchy. My skin felt very hot like it was on fire, and after I was done running I got a hives on my legs which lasted for ten minutes at least. I'm not sure if I have a reaction to the cold (it

    asked by Jayna
  45. math

    1) A gardener wants to plant flowers 10 feet form the base of a flag pole. When he has completed the task, describe in detail what geometric shape the planted flowers will form? 2) Describe the locus of points 5 units from the line whose equation is y=3 on

    asked by joseph
  46. Math, Pre-Calc

    the original problem was: Solve: sin(3x)-sin(x)=cos(2x) so far i've gooten to: sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x) Where would I go from here?

    asked by Katie
  47. Math

    the original problem was: Solve: sin(3x)-sin(x)=cos(2x) so far i've gotten to: sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x) Where would I go from here?

    asked by Katie
  48. crt 205

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

    asked by candy
  49. criminal justice

    Write a 200- to 300-word response explaining the impact terrorism and cyber crimes have on interpreting the Fourth Amendment. Use a current event as a reference to help support your explanation. Do you feel the response or act was justified? Why or why

    asked by Wendy
  50. Calculus

    the length of the curve of intersection of the cylinder (4x^2) + y^2 = 4 and the plane x + y + z = 2

    asked by Anonymous
  51. Chemistry

    I am trying to figure out how much 1.134 grams worth of gold will cost, if gold is at 380 dollars an ounce. I set up proportions like this: 380 doll./1.34 grams (how many grams are in an ounce) = BLANK/1.134 grams (mass of coins). I got $321.58. But this

    asked by Aline
  52. math

    A package contains 9 candy canes, 6 of which are cracked. If 2 are selected, find the probability of getting no cracked candy canes.

    asked by yorkie16
  53. Math

    Identify the graph of the equation 4x^2-25y^2=100. Then write the equation of the translated graph for T(5,-2) in general form. Might be another case of half right=all wrong. I left off that it's a hyperbola (x-h)^2/a^2 - (y-k)^2/b^2 = 1 x^2/25 - y^2/4 = 1

    asked by Jon
  54. Chemistry

    Why do amides require much harsher conditions for hydrolysis than esters? I'm guessing amides are more stable for some reason, but I'm not completely sure. Is it conjugation?

    asked by Alice
  55. MATH

    [16x^5y^10/81xy^2)^3/4

    asked by hi
  56. French

    Could you please check these thanks god bless. Directions: Describe your favorite outfit, including each item of clothing and its color. Ma l'ensemble favorite est un aeropostale t-shirt rose, un short bleu, et des sandales rose. Question: When I put un

    asked by Muffin
  57. high school biology

    What is the relationship between codon and gene.

    asked by Jamie
  58. macroeconomics 2year uni

    Consider the following numerical version of the IS-LM model: C = 60 + 0.6Yd I = 150 – 10i YD = Y – T T = 200 G = 250 Real money demand: (M/P)d = (40 + 0.1 Y – 10i)P Real money supply (M/P)s = 80 P = 2 Where Y is output, Yd is disposable income, C is

    asked by ismail
  59. History

    Is the Age of Exploration a social event or a cultural event?

    asked by Amanda
  60. math

    what is the differnce between the graphs of y>2x+7 and y>_ 2x+7

    asked by Evan
  61. 9th grade Math

    ok I need help with this math question and will need help with a few others after this one is answered. -8=y/4

    asked by bollocks
  62. 12th grade

    how to fid g(4), g'(4) and g''(4) when graph of the function f shown above consist of six line segments. Let g be the function given by g(x))=___ f(t) dt. The ___ is form like f with an x variable at the right top corner and a 0 in the right low corner.

    asked by Hugo
  63. Physics

    A team is chosen to design an orbiting space station that is shaped like a wheel 5o meters in diameter with is mass of 4*10^5 kg contained in the rim portion of the wheel. The space station will rotate at a rate such that a person working in the wheel will

    asked by Malcom
  64. Algebra

    5x^2-10x+2=0

    asked by Cameron
  65. English

    Hi there, could you help me create a thematic statment for the following essay question Discuss the contribution to Scout's maturation by three of the following characters: Calpurnia, Mrs.Dubose, Mr.Cunninghan, Miss Caroline and Mayella Ewell. Why are they

    asked by Kristen
  66. COM 220

    Can anyone help me or help me get started please? ASSIGNMENTS 1. CheckPoint: Full-Sentence Outline • Resources: Organizing Your Research Paper & Bias, Rhetorical Devices, and Argumentation • Due Date: Day 4 [Individual forum] • Review the criteria

    asked by Jen
  67. Physics

    Lubricating oil, with a relative density of 0.79, flows around a 90¨¬ bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass

    asked by Henri
  68. earth science

    Help please anyone? If the wet-bulb thermometer and the dry-bulb thermometer readthe same temperature, the air is said to be??? Anyone know?

    asked by laura
  69. Science

    A patient complains of constantly desiring food and water, then having to urinate frequently. Tests show normal ADH levels. These symptoms suggest A. diabetes insipidus. C. diabetes mellitus. B. Cushing’s syndrome. D. panhypopituitarism. C

    asked by Tyra
  70. math

    write a function rule the relates the inout X and output Y: (0,1), (1,4), (2,7), (3,10) please help! I can't get this one..

    asked by xxx
  71. 10th grade

    please so by multiplying binomials (x+6)(8x-x)

    asked by mandy
  72. Math

    find x and y x+5i=y-yi

    asked by kirs
  73. religion

    Hinduism,Historical figures and events, Central beliefs Nature of God, Texts, Ritual and practice (sacred elements & their meaning,) Ethics and morality

    asked by jason
  74. social sciences

    Consider the following numerical version of the IS-LM model: C = 60 + 0.6Yd I = 150 – 10i YD = Y – T T = 200 G = 250 Real money demand: (M/P)d = (40 + 0.1 Y – 10i)P Real money supply (M/P)s = 80 P = 2 Where Y is output, Yd is disposable income, C is

    asked by ismail
  75. science

    do you know any enviromentally friendly products, and why they are better for the earth?

    asked by katy
  76. FINANCIAL

    Can managerial accounting be held against a company if they are taken to court and these reports are found somewhere in the company?

    asked by meshelle
  77. science

    what is a website i can go on that is a website with enviromentally friendly prouducts and why?

    asked by katy
  78. World Literature

    What are the similarities and the differences between "The Glasgow Mystery" and "The Adventure of the Speckled Band"?

    asked by Jeni
  79. Chemistry

    Question: a sample is to be analyzed for its chloride content by the precipitation and weighing of silver chloride. what mass of the sample should be used so that the mass of the precipitate will be equal to the percent of chloride in the sample. How would

    asked by Anonymous
  80. Philosophy

    I'm suppose to write a page long analysis about David Hume's beliefs about God..supposedly hes an athesist, but he also says he believes in God the creator..im confused so any help would be great thanks!

    asked by Joe
  81. Laxy - English

    Most children are familiar with Dr. Seuss and "Green Eggs and Ham." You could use some of the catchy phrases there. Here are some children's songs about food to give you ideas. Select a tune they all know and make up some lines with the vocabulary you want

    asked by SraJMcGin
  82. Science

    We're learning about energy conservation and I need to realte it to a rollar coaster. I said that the rollar coaster has the highest gpe at the higest height but how would I relate that to energy conseveration?

    asked by Lena
  83. math

    Write a function rule that relates X and Y. 1. (-2,0), (-1,1), (0,2), (1,3), (2,4) 2. (-3,-5), (0,1), (3,7), (6,13), (9,19)

    asked by maya
  84. To butterfly - re business

    Your long and complicated assignment post has been removed. Please understand that no one here will do your work for you. However, we will be happy to read over whatever you come up with and make suggestions and/or corrections.

    asked by Writeacher
  85. Algebra

    Use factoring to solve the equation: x^2+13x+36+0

    asked by Blanca
  86. 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 3% how much would he need to bring his avg to 87? (i hear this questions has been answered can someone either direct me to where it has been

    asked by just wondering
  87. French

    What do these mean in English? Tu habites dans le centre-ville? Qu'est-ce qu'il y a dans ton village? Qu'est-ce qu'on peut faire a Manchester? Qu'est-ce tu fais a Manchester? Est-ce que tu aimes habiter a Manchester?

    asked by Nabiha
  88. Science

    A young man happens to spot an ex-girlfriend he’s trying to avoid. Why does his mouth become dry? Where could I find information on the question?

    asked by Tyra
  89. college algebra

    y intercept: 3x^2+18x 0=3x^2+18x from here im lost

    asked by kirs
  90. com 220

    How does the author of A Nation Apart organize information to build his argument? Does he include and counterarguments? Why or why not? What kinds of statistics, graphs, or illustrations does the author include? In what ways do these visuals strengthen the

    asked by Wendy
  91. SCIENCE

    QUESTION? Which is the 23 chromosomes in human cell called? Why are they important? Answer Their the sex chromosomes. They affect the gender

    asked by Mike
  92. jordan mattews

    Post a 200- to 300-word response to the following: Provide a brief summary differentiating conservation and preservation. Do you believe that humans can harvest forest resources in an environmentally friendly way? Or, should national forests be left in

    asked by Anonymous
  93. child care

    hi im doing my assignment in child care level 3 and i need to answer this question ,(describe ways that parents may participate in a pre school's activites to promote their children's learning and development) and (discuss how a pre school can encourage

    asked by ella
  94. social studies

    I need facts about infectious diseases in Ecuador

    asked by jaz
  95. Science

    If some substance has a ph of 8, is it a base or is it neutral? I know that a ph of 7 is neutral, so is 8 also neutral since it's in the middle?

    asked by Me!
  96. religion

    I need to know the country of origin of: Hinduism, Buddhism, Confucianism, and Daoism. For each of these religions I need some information on the: Historical figures and events, brief description of their central beliefs, nature of God, Texts, Ritual and

    asked by paul
  97. math

    x^3=5x what is the largest possible value for x?

    asked by Me!
  98. French

    Could you please check these thanks god bless. Directions: Match each word in the left hand column with it's opposite in the right hand column. 1. -------- large A. au- dessous 2. -------- long B. noir 3. -------- sport C. serré 4. -------- au-dessus D.

    asked by Muffin
  99. 5th grade math

    what does a feet equal?

    asked by karina
  100. French

    Could you please check these thanks god bless. Directions: Give your favorite color( mine) for the following items. Note that when a color is used as a noun, it is masculine: le bleu, le rouge, etc. 1. un blouson Answer: Ma couleur favorite pour un blouson

    asked by Muffin
  101. statistics

    Given the oft-cited statistic that 66.7% of the American public is overweight or obese, you are interested in comparing college students BMI level to the general population. Assuming that the general population has a BMI of (μ) = 27.5 using α level of

    asked by HLR
  102. science

    I am made of anything but nothing. I am neither large or small. Without me, there would be no sound. Wherever you go, I can be found. What am I?

    asked by austin
  103. To: Writeacher

    I corrected my Romeo and Juliet essay below.

    asked by Hugs n kisses
  104. spanish

    i just started spanish II , i want these questions checked to see if i'm on the right track: 1. Que tienes en el bolso? a. tengo libros para mi clase de literatura b. vamos a la clase de historia c. ya son las siete? tengo que ir a la escuela d. si,

    asked by spanish
  105. math

    copy and complete input-output table for the function y=2x - 5

    asked by angie
  106. English

    When writing a work cited page, do all websites have an author? Because some that I found don't so do I just cite in with all the infomation that is needed?

    asked by Jessica
  107. Chemistry

    For Chemistry, I have to design a coin. What are some anti-counterfeiting measures I could use to prevent people from replicating it? I've googled this, but I haven't found many good ideas. I can only think of putting grooves on the edge of the coin and,

    asked by Aline
  108. Chemistry

    Another question on the subject of coins. We have to evaluate another group's metal choices. My friends' group chose gold for the outer layer and zinc inside. Why is zinc a good choice? I know it's relatively inexpensive, but it's soft. Why would someone

    asked by Aline
  109. economics

    Please help. Can anyone give me a couple of examples of political activites that the union can pursue to manipulate the firm's elasticity of labor demand using Marshalls rules of derived demand.

    asked by anonymous
  110. Biology

    How do you prepare insulin with a single cell in a lab?

    asked by Racquel
  111. 6th grade sc. st.

    What type of government rules with divine right???

    asked by Peyton
  112. spanish

    please check this: "¿Quieres ir a Miami conmigo?" "¡Vamos! Yo _____ bien la ciudad." a. salgo b. traigo c. sé d. conozco D? "¡Antonio habla muy bien el alemán!" "Sí. Su profesora dice que él aprende bien _____." a. loss idiomas b. la geometría c.

    asked by spanish
  113. calculus

    determine if this converges and methods used to find its covergence or divergence. The series as n = 1 to infinity of [(2n+3)/(3n+2)]^n

    asked by Laura
  114. physical education

    famous dancers or dances in relation to hip hop.

    asked by Ashleigh
  115. Science

    You have the most potential energy at the top of a hill. Where would you have the most kinetic energy? - I was thinking right before you stop rolling down the hill

    asked by Lena
  116. Quick French

    What are your favorite school subjects? Quelles matières sont tes favorites (Shouldn't this be favoris or préférée)? What are your favorite activities? Quelles sont tes activités favorites (same here with this one)? Merci! PS. In response to your post

    asked by Larry
  117. English Quick ?

    I have a quick question. Do the websites have to be underlined in a bibliography. I have the website for how to do one for MLA format. It doesn't show it as underlined but another website did.

    asked by Jessica
  118. humanities

    what effect do religious pluralism and interfaith movement will have on the future of organized religion

    asked by jenny
  119. calculus

    how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?

    asked by Laura
  120. accounting HELP

    I know what the 5-questions are, but what I do not understand is in what circumstances would the 5-question approach to stakeholder impact analysis be most useful? Can somebody PLEASE HELP ME?

    asked by AW
  121. Health

    Do you know of any websites that tell about the processes that are performed by the endocrine system?

    asked by Amanda
  122. math

    x - 1 2 3 4 5 y - 9 8 7 6 5 what is the function rule for this given table

    asked by harsh
  123. history

    How was Europe divided, and what r 3 consequences of its division? need answer by 4/23/09

    asked by Kimberly
  124. Latin

    Is ibi in Latin pronounced ee-bee ih-bee or something different? I want to confirm this for my speech. Thanks, Aline.

    asked by Aline
  125. crt/205

    define utilitarianism

    asked by Anonymous
  126. 5th grade

    what can i write as an essay to convinse my teacher not to give me homework next week

    asked by matt
  127. Physics

    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