Questions Asked on
November 10, 2008

  1. chemistry

    Build the orbital diagram for the ion most likely formed by phosphorus.

    asked by dre
  2. chemistry

    Using your answer from Part A, calculate the volume of a mole of Na atoms (in cm3/mol ). Assume that the entire volume is occupied by Na atoms leaving no gaps or holes between adjacent atoms. (Answer A is V= 2.70*10^7)

    asked by sara
  3. Chemistry

    What is the effect on the boiling point of a solution (for example, water) produced by a soluble nonvolatile substance (for example, sodium chloride)? What is the effect of an insoluble substance such as sand or charcoal? I believe if an insoluble

    asked by Phil
  4. chemistry

    How do i calculate the effective nuclear charge of a 3d electron of copper? what is the zeff. for a electron in the 3d orbital of copper. i looked up the answer to be 13.20, but i calculated 13.05 this is my work: (1s2)(2s2 2p6)(3s2 3p6)(3d10)(4s1)

    asked by mandy
  5. math

    the base of a cylindrical juice container is a circle with diameter 20 cm. The height of the container is 80cm. What is the capacity of the juice container? show your work. b) The juice container will be filled to 90% of its capacity. What will be the

    asked by sidlord
  6. math

    the main trunk of a tree is in the shape of a cylinder. The distance around its cross section is 47.1cm and its height is 0.7m. What is the radius of the cross section? I know i have the height and circumference, would i divide the circumference by 4 to

    asked by sidlord
  7. Investments/Portfolio Mgt

    How would the following be solved... Consider a risky portfolio. The end-of-year cash flow derived from the portfolio will be either $50,000 or $150,000, with equal probabilities of 0.5. The alternative riskless investment in T-bills pays 5%. a. If you

    asked by Anna
  8. Chemistry

    Calculate the enthalpy change for the melting of a 30 g ice cube. Show all your steps. Any help is appreciated! :)

    asked by anonymous
  9. 7th grade science

    make a word out of the letters P A M O U S E E N

    asked by nikhil
  10. 12th grade chemistry

    A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.

    asked by jerry
  11. Algebra II

    An office building containing 96,000 square ft of spaceis to be made into apartments.There at most 15 one bedroom units,each with 800 square ft of space. The remaining units each with 1200 square ft of space,will have two bedrooms. Rent for each one

    asked by Sha
  12. solubility graph

    what temperature is required to dissolve 110 grams fo sodium nitrate in 100 cm3 of water?

    asked by tony
  13. human resources

    what economic, social, & legal forces have made Employee Training even more important today than it was in the past?

    asked by China
  14. English

    1. He is often late for school. 2. He isn't often late for school. 3. He often isn't late for school. (What about the position of the frequency adverb? Are both #2 and #3 grammatical?)

    asked by John
  15. chemistry

    The reaction between 0.045 g of calcium with an excess of water was carried out in an ice calorimeter as used in this lab. The volume of water in the calorimeter decreased by 0.18 mL during the reaction a) Write the equation for the reaction which occurs.

    asked by Anonymous
  16. human resources

    what are the advantages and disadvantages of Nike's computer-based interviewing system?

    asked by China
  17. math

    Thomas in 4 hours. Julia can do the same job in 6 hours. How many hours will it take the two of them to do the job if they work together?

    asked by Sha
  18. chemistry

    An optical rotation study gives result of +140 degrees. Suggest a dilution experiment to test whether the results is indeed +140 degrees, not-200 degrees. THANK YOU!

    asked by Blair
  19. french

    pouvez-vous m'aider avec mon paragraghe? La famille d'Amanda J'ai plus personnes en ma famille. Ma mère s'appelle Emilie. Elle est très sympa. Mon père s'appelle Rodney. Il est fort. J'ai deux frères. Mon frère Aaron est huit ans et il aime jouer au

    asked by amanda
  20. Math-Calculus

    Find a positive number such that the sum of the number and its reciprocal is as small as possible.

    asked by Soojung
  21. Chemistry

    What is the difference between acyl, acetyl, and enoyl?

    asked by chemstudent
  22. chemistry

    Estimate the volume of one sodium atom using its metallic radius of 186pm please help

    asked by dre
  23. PHYSICS

    The fishing pole below (F = 94 N , = 1.90 m) makes an angle of 20.0° with the horizontal. What is the torque exerted by the fish about an axis perpendicular to the page and passing through the fisher's hand? i TRIED doing fdsinthetha=(1.90*94*sin20) this

    asked by SONIA
  24. Critical Thinking

    Letter to the editor: “Andrea Keene’s selective morality is once again showing through in her July 15 letter. This time she expresses her abhorrence of abortion. But how we see only what we choose to see! I wonder if any of the anti-abortionists have

    asked by Tidaesha
  25. history

    what were the long-term repercussions of the Potsdam Conference?

    asked by Candy
  26. geography-please help!!

    Identify and explain two responsibilities that you think governments have with respect to population growth.

    asked by susan
  27. HISTORY

    Why did Truman decide to use the atomic bomb against Japan?

    asked by Michelle
  28. French

    It's my first time using this site, but from what I have heard, it's really good. I had to write a paragraph using l'imparfait, le passe recent, plus que parfait, and the passe compose. Could anyone check my paragraph and tell me what I did wrong? I hope

    asked by Sammy
  29. math

    find the least positive number that is divisible by 3 different primes

    asked by billie
  30. Chemistry

    What is the products for HCl + Na2S04 + BaCl2?

    asked by Help
  31. solubility graph

    if 20 g of sodium chloride are dissolved in 100 cm3 of water at 20gC, is the solution saturated?

    asked by tony
  32. English

    1. The traffic is heavy. 2. The traffic is light. (Is this(#2) the opposite of #1?) 3. Cars are bumper to bumper on the street. 3-1. The street is crowded with cars. (Are both the same?)

    asked by John
  33. trig(really struggling with this problem)

    expand (x + y)^5

    asked by jerson
  34. i dont know this word...reading a website

    what does omni-powerful mean?

    asked by Anita
  35. writing

    should all public schools receive the same level of funding from the government ? can you help me find the three point that i'm going to devide them into paragraphs ,that i disagree with the scholls to receive the same level.....

    asked by genci
  36. science

    1. Name a Protist that has both plant and animal characteristics. 2. What compound is usually identified by the use of iodine? 3. What important gas is released during photosynthesis? 4. Contrast photosynthesis and respiration. 5. Is movement

    asked by Jasmine
  37. chemistry

    Triple Point Clicker Challenge The Lewis structure for nitroglycerin is shown below. 1.00 mL of liquid nitroglycerin is placed in a sealed, reinforced, insulated steel box measuring 1.00 m on each side and filled with argon gas at 15.0 oC and 1.00 atm. The

    asked by james
  38. maths

    Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic factors; deduce that cos3x = 4[cos(x) -cos(pi/6)][(cos(x) -cos(pi/2)][(cos(x) -cos(5pi/6)]

    asked by jake
  39. maths

    Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic factors; deduce that cos3x = 4[cos(x) -cos(pi/6)][(cos(x) -cos(pi/2)][(cos(x) -cos(5pi/6)]

    asked by jake
  40. Home work help

    I need help for this math question: Can you provide the steps on how you got the answer to this question? A bank requires a monthly payment of $33.45 on a $2500 loan. At the same rate, find the monthly payment on a $10,000 loan.

    asked by Lisa
  41. Algebra

    Hi! I have a few questions about Factoring Quadratic Expressions. My first one is 12x^2+x=6. How would you facor that? My second is how would x^4-1 equal the answer 1(x^4-1)(x^2=1)(x^2-1)? Finally, how would you factor something such as -3x(x+2)-8(x+2),

    asked by Rachelle
  42. Health Information

    What is the best answer to this question. I have read, and read many times and can't figure it out. Please help! Judge Jones is hearing a motion to order release of substance abuse records pursuant to a subpoena. The hearing: A. must be in open court

    asked by Marie
  43. solubility graph

    You have 75 grams fo sodium nitrate, At what temperature will all of the solid dissolve in 100 cm3 of water?

    asked by tony
  44. science

    a section of dna which codes for the synthesis of a protein is called what ? (4 letters )

    asked by kieran
  45. math

    how do you calculate the volume of a cylinder? radius: 13cm height: 11cm

    asked by sidlord
  46. human resources

    Are there any concerns regarding Nike's computer-based interviewing and EEOC?

    asked by China
  47. solubility graph

    at what temperature is the solubility or potassium nitrate equal to the solubility of sodium nitrate?

    asked by tony
  48. curent events

    my teacher told me to do it on why gays should not marry but im gay what do i do?

    asked by Anonymous
  49. solubility graph

    A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?

    asked by tony
  50. grade 8 LA/ English

    please answer: what are inflected forms and run on derivitaves? the question is: For each of the words on the table, write down both as an Inflcted Form and a run on derivitave.

    asked by bob
  51. mathematics

    can anybody tell me how the Leibniz's rule for the differentiation work? I have not studied partial differentiation yet...

    asked by masaya
  52. Social Studies

    In the 1700's who suggested the Great Compromise?

    asked by Cameron
  53. GEOgraphy

    Explain, using population characteristics, why the doubling time is so low in african countries?

    asked by rebecca
  54. Chemistry/Math

    Write a differential equation describing a second order reaction – a reaction in which the rate of depletion of the concentration of the reactants depends on the square of reactants’ concentration. Solve this differential equation and hence find an

    asked by Alice
  55. calculus

    Find an equation of the tangent line to the curve at the point (0, 1). y = (1 + 3x)20 i got y' = 60(3x+1)^19 what do i do next?

    asked by ben
  56. Math

    I need help with this homework question: The dosage for a medication is 1/3 ounce for every 40 pounds of body weight. At this rate, how many ounces of medication should a physician prescribe for a patient who weighs 150 pounds? Write the answer as a

    asked by Lisa
  57. government and politic (please help...i'm stuck)

    One of the problems of liberty is that one person’s liberty sometimes conflicts with another’s liberty and one must take precedence. How would you resolve the following conflicts between rights of the individuals and why? [h] Fountain Valley High

    asked by dd
  58. Algebra

    Thanks for those who answered my previous question! I have just one more: x^2-625=0, what is the GCF? How is it deterimined? It does not appear to me that there is one. How would it then be factored and have the zero-product powers applied? Then, what

    asked by Rachelle
  59. solubility graph

    at what temperatute is the solubility of potassium nitrate equual to the solubility of sodium nitrate?

    asked by tony
  60. solubility graph

    What temperature is necessary in order to dissolve twice as much fo these solids in 100cm3 of water as can be dissoved at 20gC. a. sodium nitrate b. potassium nitrate c. sodium choride

    asked by tony
  61. Algebra

    use synthetic division to find (2x^3 -5x^2 +7x-1) divided (x-1)

    asked by Sha
  62. trig

    for the geometric series shown, state whether the series in convergent. If the series is convergent, give the sum 9 +6.3 + 4.41

    asked by jerson
  63. biology

    why the first attack of the chicken fox gives the total immunity yo the chicken fox?

    asked by linganna
  64. science

    why do we eat food or the functions of food

    asked by Jyoysana
  65. trig

    find the sum of all integers n from 300 to 400.

    asked by jerson
  66. calc

    Integral from 1 to 3 of ( 19 + 2x - 20x ) dx thanks

    asked by Michael
  67. Algebra II

    write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x-1

    asked by Sha
  68. health

    I have to develope a new food product,grade 4 heathly eating... any ideas?

    asked by Brandyn
  69. Reading

    I go to u32 and i forgot my reading book My Brother Sam is dead at school. If i could please have some help, it would be greatly aprreciated! ¢¾ For last nights assignment we had to read chapter 1, and make a prediction about what will happen later on in

    asked by Angela
  70. college

    Microeconomics...Which of the following is an example of nonpecuniary wages? stock options retirement benefits health insurance flexible work schedules hourly wages

    asked by Carolyn
  71. 9th grade

    Please answer the following questions in brief paragraph form. Use complete sentences with proper spelling, punctuation, and grammar. Place your answers in the box below and then click the Submit button at the bottom of the page. 1. What are instances in

    asked by Jasmine
  72. nouns

    when the bell rings, leave the building. If building is a predicate noun?

    asked by Anonymous
  73. Chemistry Lab

    Last week, I did titration of Zn with EDTA experiment. I used calmigte as the indictor. The endpoint of this titration is supposed to be blue. The color change go from wine-red to violet to Blue. I did a mistake by stopping the titration at the violet

    asked by Beckhamano
  74. Math- Calculus

    Use Newton’s Method with initial approximation x1 = 2 to solve the equation x5 +x= 6 . Go to x3, and tell me how good you think the approximation is. Round all answers to 3 decimal places.

    asked by Soojung
  75. Chemistry

    N2 +O2 = 2NO has an equilibrium constant Keq of 0.10 mol/L @ 2000 degrees celcius. If the equilibrium concentration for NO is 0.40 mol/L and the equilibrium concentration for N2 is 0.80 mol/L, what is the equilibrium concentration of O2?

    asked by Chernika
  76. Physics

    Does the velocity of a model rocket increase or decrease when the parachute is deployed?

    asked by TP
  77. Language Arts

    If you are supposed to get 3 words, that have something to do with halloween, then how would you get when you have: hs fo manytwo; and you're supposed to: Switch letters 3-5 from the left, as a group, with letters 9-11 from the left, as a group.

    asked by Misty
  78. Literature

    What does Act IV, scene I (in Macbeth) reveal about anti-semitism in Elizabethan England?

    asked by Jackie
  79. Math

    Me and Lisa have the same math homework. And I was wondering what would be the answer to this question and the steps provided to get this questions answer? A pre-election survey showed that 2 out of every 3 eligible voters would cast ballots in the county

    asked by Kiara
  80. college algebra

    Use the graph of the given function to find any relative maxima and relative minima. f(x) = x^3 - 3x^2 + 1

    asked by Terry
  81. MATH

    The ratio of graduate students to undergraduate studaent at a certain university is 4 to9. if there are 2340 students at the university how many undgergraduates are there?

    asked by DAni
  82. government

    How would you resolve the following conflicts between rights of the individuals and why? [g] Mexican-American students at Orange Coat College insist that tacos be served once a week in the Captain’s Table. [h] Fountain Valley High School has 80%

    asked by tt
  83. physiology

    what drug that is used as a treatment for asthma, promotes bronchodilation by selectively stimulating beta2-adrenergic receptors? A.singular B.albuterol c.Terbutaline d.epinephrine i think its between b and c

    asked by Natash
  84. trig

    for the geometric series shown, state whether the series in convergent. If the Series is convergent give its sum 9+6.3 +4.41 +... a tutor helped me earlier but how is the sum 0.7

    asked by jerson
  85. English

    1. What are the dangerous things which can happen around us? (Is this OK?) 2. What did Mina's friends and Giho's friends each submit homework about? 2-1. About what did Mina's friends and Giho's friends each submit homework? (Are both correct? Which one is

    asked by John
  86. 5th grade History

    Why are the powers of government separated?

    asked by Emma Leigh
  87. earth science? volcanoes

    what kind of volcanoes are found in Iceland? Chile and Argentina? The Arabian Peninsula and the Middle East? thanks

    asked by abby
  88. medical coding and billing

    Hi I still can;t find the to my HIPAA RESEARCH PROJECT ON Under what circumstances can personal health information be used for purposes unrelated to health care? ( Hint: there should be at least 12 circumstances.) Can someone please help me with this one .

    asked by kay
  89. English

    1. Without rules, people cannot get along with others. 1-1. If there were no rules, people cannot get along with others. 1-2. If they have no rules, people cannot get along with others. (Does # 1 mean #1-1 or #1-2? Does 'get' mean 'go'? What is the meaning

    asked by John
  90. ETH/125

    I am an Axia student also. I am still looking for different measurments of prejudice.

    asked by james
  91. Chemistry Lab

    Last week, I did titration of Zn with EDTA experiment. I used calmigte as the indictor. The endpoint of this titration is supposed to be blue. The color change go from wine-red to violet to Blue. I did a mistake by stopping the titration at the violet

    asked by Beckhamano
  92. geography

    Compare and contrast the terms natural increase and fertility rate.

    asked by meaghan
  93. Social Studies

    in the 1700's how many states did congress need to pass a law?

    asked by Cameron
  94. Math

    The per capita public debt (in thousands of dollars) of the United States for the years 1940 to 1990 appears below. Create a scatterplot and determine a trend line. Based on your scatterplot, what do you expect the per capita public debt to be in 2020?

    asked by Andrew
  95. history

    How did the civil rights movement change in the mid-1960’s

    asked by Michelle
  96. math

    can anybody explain me what the Leibniz Integral Rule is?

    asked by masaya
  97. government law

    Today “freedom of speech” is limited in interest of public safety by the clear and present danger test. Do you feel this is a good standard? or do you want to use another standard?

    asked by elley
  98. Confidentiality of Health Information

    Answer each question in one or two paragraphs. 1. Compare and contrast contributory negligence with comparative negligence. 2. If HIPAA rules are stricter that state law, which standard should you follow and why? What if the state law was stricter? 3.

    asked by Marie
  99. history

    Causes, consequences and phases of American economic development during the colonial period.

    asked by alex
  100. MAth answer check

    One solution of kx^2 +6x-k=0 is -3. Find the other solution I have the answer as -1/3 is this right?

    asked by Shawn
  101. Chemistry

    Please help. I just want to make sure I'm doing this right. I have to write the abbreviated ground state electron configurations for the following: nitrogen 2s^22p^3 chlorine 3s^23p^5 iron 3d^104s^2 Thanks. If there wrong I'll start over, I think I know

    asked by Sue
  102. Math Algebra check please

    Solve w= (va)/(r^2+a^2) for a. I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as a= (v+/- sqrt[v^2+4w^2r^2]/w is this right?

    asked by Shawn
  103. language arts

    what are inflected forms and run on derivitaves?

    asked by bob
  104. child development

    What are the factors affecting physical development?

    asked by klarmaesen
  105. Honors class language arts 6th grade

    1 Print the words MUSIC FOR HALLOWEEN. 2 Double the middle letter. 3 Change the consonant that comes earliest in the alphabet to a D. 4 Change the second L from the left to a Y. 5 Move 1 H to the left of the row. 6 Delete all the E's and I's. 7 Switch the

    asked by Misty
  106. human resources

    describe the characteristics of the ideal appraisal system.

    asked by China
  107. 6th grade Science

    illustrate a plant label the use of xylem and phloem

    asked by Anonymous
  108. trig

    find the limit of the sequence if it exists tn= 6/n

    asked by jerson
  109. Math Another math question???

    I also need help with this question because I'm really not getting this question at this time. A paint manufacturer suggests using 1 gallon of paint for every 400 sqaure feet of wall. At this rate, how many gallons of paint woulb be required for room that

    asked by Kiara
  110. social studies

    In 1700"s under the federa system the final authority in is who

    asked by Cameron
  111. spanish

    does this make sense and is the grammar right? it is trying to say : last weekend i went ice skating at queens in kensington with my friends. i celebrated my 16th birthday and it was very fun. i enjoyed it with my friends and family all weekend. i received

    asked by christina
  112. calculus

    differentiate y=x sin((4)/x)

    asked by ben
  113. Businesses

    I need help unscramblin gthis word tonmcahf cerstuqa

    asked by Nicole
  114. Algebra

    how do I find average speeds with no distance such as a)3 mph, b)13 mph, and c)23.31 mph?

    asked by Kasey
  115. Math check please

    Solve w= (va)/(r^2+a^2) for a. I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as a= (v+/- sqrt[v^2+4w^2r^2]/w

    asked by Shawn
  116. Science

    how do color, lustre, and composition of material affect how light is absorbed or reflected?

    asked by Nico
  117. English

    Where is a good place to find Bridge Map's? Where a word you choose like butterfly is in english, is then in like french, german, etc?? Thanks!!!

    asked by Jackie
  118. Health Information

    If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter? Explain

    asked by Marie
  119. spelling

    what is the memory rule

    asked by isaiah
  120. 4th grade

    what do i find answer to this question how much time has passed? start 11:05 am end 3:20 pm

    asked by monique
  121. math

    Anita does laundry every other day. Every five days she changes sheets. Every 15 days she dusts. If she does all three chores today, how many days will it be before she does them all on the same day again?

    asked by ryan
  122. geo

    Explain how literacy rates can positively and negatively impact fertility rate around the world.

    asked by samanthaROCKS
  123. science

    what describes an allele that only controls a characteristic if present on both chromosones in a pair (9 letters)

    asked by kieran
  124. 3rd grade

    how to finish a simile and a metapor

    asked by heather
  125. pigskin geography

    Which football team could sail to their destination on this canal and re-enact the completion ceremony on Sunday Oct. 26?

    asked by kool-aid
  126. Algebra problem

    Which of the following points is an x-intercept of the graph of f(x)=(x^2+2x)^2 -11(x^2+2x)+24? a.)(4,0) b.)(-6,0) c.)(6,0) d.)(-4,0)

    asked by Shawn
  127. science...help

    name a rock that is composed of light colored minerals and has a fine grained texture

    asked by Anonymous
  128. Accounting

    Do companies have only one revenue account?

    asked by Adalia
  129. General

    I have to answear this question on of my papers. Need help Office 2007 has a new look and feel from previous versions of Office. What changes do you like or dislike about the new interface? i haven't used 0ffice 2007 yet. so can one please help me on this

    asked by Bryan
  130. 8th grade

    how to calculate arc of the circle

    asked by angelo
  131. government_help check answer please

    is the Brandenberg vs. Ohio case is reverse discrimination ???

    asked by elley
  132. writing

    can you give me three points why should young people be require to do comunity college?

    asked by genci
  133. History

    Why did relations between the United States and the USSR deteriorate after WWII?

    asked by Michelle
  134. History

    Aside from being the first President of America, what has George Washington done to contribute to the founding of the early development of the U.S? Thank you for helping.

    asked by Bill
  135. math

    i need helpwith standard deviation because my calculator keeps coming out with a wrong answer

    asked by bethel
  136. government

    can anyone tell me what criminal or civil law for the court case of: Muckley vs. Reitman Jackson vs. Pasadena Prince George vs. Washington

    asked by elley
  137. government law

    can some summary what is the Muckley vs. Reitman court case???

    asked by dt
  138. trig

    find the limit of the sequence if it exists tn= 6/n

    asked by jerson
  139. US history

    we are supposed to create an advertisement for a revolutionarynewspaper- around the constitutional convention time.. what products do you think they would sell at that time??? thank you!

    asked by Laura
  140. Math help

    Solve: x-(3/x)

    asked by Shawn
  141. monomials

    a raised to 6 b divided by a raised to 4 b raised to 2

    asked by Anonymous
  142. english

    Mother was ----to worry as my brother hadn't reterned home.(begin).(fill the with the correct tense of the verb.)

    asked by ra ny
  143. 6th grade

    I need help with sewing

    asked by ashley