Questions Asked on
March 9, 2008

  1. chem

    name the following compounds and tell what type of compound they are (binary ionic. ternary ionic, or binary molecular) a)FeBr3 b)CBr4 c)Na2Cr2O7

    asked by Annonymous
  2. chemistry

    will AgIO3 precipitate when 100 mL of 0.010 M AgIO3 is mixed with 10 mL of 0.0015 M NaIo3

    asked by mirlinda
  3. math

    You have a 70% dextrose solution. How many grams of dextrose are in 400ml?

    asked by melissa
  4. Trigonometry

    Find the magnitude and direction of the resultant of two forces of 250 pounds and 45 pounds at angles of 25 degrees and 250 degrees with the x-axis, respectively.

    asked by Anonymous
  5. Chemistry

    Calculate the amount (in grams) of AgNO3 needed to prepare 250.0 mL of 0.25 M of AgNO3.

    asked by Allie
  6. Algebra 1

    Your math teacher tells you that next week's test is worth 100 points and contains 38 problems. Each problem is worth either 5 points or 2 points. Because you are studying systems of linear equations, your teacher says that for extra credit you can figure

    asked by johnny
  7. math

    This problem has to do with exponential models. The question says, you deposit $1600 in a bank account. Find the balance after 3 years for each of the following situations. The first one says: 1. The account pays 2.5% annual interest compounded monthly. 2.

    asked by Cecilia
  8. math

    The IV dose of mannitol is 1.5g/kg, administered as a 15% solution. How many mls of the solution should be administered to a 150 pound patient?

    asked by melissa
  9. Physics

    In class, we completed a lab dealing with the range of a projectile. First, we dropped a metal ball down an inclined channel followed by a horizontal channel. We timed the ball on the horizontal channel and used this time and the channel length to find

    asked by Jim
  10. Algebra

    Thomas can do a job in 4 hours. Julia can do the same job in7 hours. How many hours will it take the two of them to do the job it they work together?

    asked by BK
  11. English

    What is the thematic significance of the advice Atticus gives Scout?

    asked by Bob
  12. Physics

    Batteries are not perfect. Instead they have an "internal resistance, a catch all phrase which describes the internal chemical workings of the battery which prevents it from providing an unchanging voltage regardless ofnits load. A simple model of internal

    asked by raks
  13. chemistry

    name the following compounds and tell what type of compound they are (binary ionic. ternary ionic, or binary molecular) a)FeBr3 b)CBr4 c)Na2Cr2O7

    asked by Hokoslavia
  14. Biology

    A spermatogonial cell undergoes mitosis before entering the meiotic cell cylce en route to the production of sperm. However during mitosis the cytoplasm fails to divide and only one daughter cell is produced. A resultant sperm eventually fertilizes a

    asked by Thomas
  15. English

    Please unscamble BIKINI SNIVEL for me. Its do to do with spying.

    asked by Juwairiyah
  16. Chemistry

    Antacid neutralizes stomach acid by the following reaction: Mg(OH)2 + 2HCl -----> MgCl2 + 2H2O Calculate the amount of Mg(OH)2 (in grams) needed to neutralize 2.5 grams of HCl.

    asked by Allie
  17. Chemistry

    The equation for respiration reaction is given by: C6H12O6 + 6O2 ------> 6CO2 + 6H2O + Energy Calculate the amount of water formed from oxidizing 18.0 grams of glucose in the presence of excess oxygen.

    asked by Allie
  18. Chemistry

    A sample of 25.00 mL of vinegar is titrated with a standard 1.02 M NaOH solution. It was found that a volume of 19.60 mL of the standard NaOH solution is used to completely neutralize the acetic acid in the solution. Calculate the concentration of the

    asked by Allie
  19. statistics

    I have an ordianry deck of 52 cards, which has 26 red and 26 black cards. A friend shuffles the deck and draws cards at random, replacing the card and reshuffling after each guess. I attempt to guess the color of each card. A. what is the probability that

    asked by virginia
  20. science

    a list of renewable energy resources

    asked by mary
  21. Dr.Bob the question Ihad reposted (NOT the old one

    Yes...another calculation problem. Rxn: 1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical

    asked by ~christina~
  22. English

    How long would a short essay be?

    asked by Tyra
  23. earth science

    how is the andean type subduction zone different from the aleutian type subduction zone? are there pictures?

    asked by Dani
  24. chem

    How many moles of water are produced when 1.05 g of oxygen gas reacts with 1.22 g of hydrogen gas to produce water?

    asked by megan
  25. geography, volcanoes

    a circulating current of warmer material ( such as magma )

    asked by john
  26. Physics

    Find the distance light travels from its starting point, S to its final point, F by traveling two different paths: Reflecting from point A, and reflecting from point B. From point S to A is 30 cm, from point A to B is 30 cm, from point B to F is 30 cm, and

    asked by Tom
  27. Chemistry

    write the equilibrium constant expressions Kp for each of the following N2O 2NO2 2NO + Br2 2NOBr 2SO2 + O2 2SO3 4NH3 + 5O2 4NO + 6 H2O

    asked by Taylor
  28. Algebra II

    Graph 16x^2 + 9y^2 = 144 I know that you cannot graph this but the graph of this equation should be a circle I think. I have points (3,0), (0,4), (-3, 0), and (0,-4) graphed. Is there any more points that I could use to graph? Thanks.

    asked by Lucy
  29. science

    If nuclear fusion in the sun's core suddenly stopped today, would the sky be dark in the daytime tomorrow? why

    asked by Dj
  30. science

    Describe one reason asteroids may become a natural resource in the future.

    asked by Dj
  31. spell

    What would be a good title for this essay? There is an underlying problem that is promoting racism. It is the fact that a lot of people believe, and try to make themselves believe, that racism no longer exists. Many people today live their lives oblivious

    asked by Hello World
  32. math

    A prescription calls for erythromycin 400mg/5ml, dispense 100ml. The dose is 40mg/kg/day and the child weighs 44 pounds. The sig. reads ____tsp qid until gone. What would the tsp dose be? How many days will the prescription last?

    asked by melissa
  33. chem

    how do you know if a solid can be a hydrat given the mass before and after heating? if a solid before heating has a molar mass of 208 g/mol and a formula of XY, what is the formula of the hydrate? some cracker tins include a glass vial of drying material

    asked by ashley
  34. History

    What is the best ways to organize a dbq and a thematic essay for the AP US Test?

    asked by Maddy
  35. Math

    Please help Brent washes 6 cars in 72 minutes. How many minutes does it take Brent to wash one car? Approximately 4 out of every 10 students at Marc's college live on campus. The college has 3,000 students. How many of them live on campus? The electricity

    asked by Michele
  36. math

    Please double check me. A community service organization has 19 men and 7 women in its memebership. Write the ratio of women to men. a 19/7 b 7/19 c 19/26 d 7/26 answer: b Write a proportion that is equivalent top the statement: If 3 gallons of gasoline

    asked by Kim
  37. science

    What two properties of Neptune's moon triton make it unusual?

    asked by Dj
  38. chemistry

    name the following compounds and tell what type of compound they are (binary ionic. ternary ionic, or binary molecular) a)FeBr3 b)CBr4 c)Na2Cr2O7 still haven't gotten help yet and i posted a response to the question below

    asked by Hokoslavia
  39. english

    where can i find information to support global warming as seen in the film, An Inconvenient Truth? Thank you!

    asked by jules
  40. Math- Radical equations

    I don't understand how to get the answer to this "Radical equations" deal. The problem I'm having trouble with is (Square Root) x-5 = 2 (square root) 6

    asked by Shelby
  41. English

    What does impartial mean?

    asked by Lucy
  42. Nutrition

    I am in a Nutrition class and I have to develop a realistic nurtition and exercise plan to sumarize in a 1,400- to 1,750 word paper. The plan should be plausible enough to be initiated within the next 30 days and continue thoughout life. I have to describe

    asked by virangergal
  43. algebra

    Identify the vertex and axis of symetry of the parabola. Identify points corresponding to P and Q. on the graph it has P at (-2,4) and a point at Q at (-1,7). my teacher says the answers were the vertex was (-1,3) the Axis of symmtry was X=-1 the P is

    asked by Hokoslavia
  44. earth science

    what mountain chain has formed at a divergent plate boundary?

    asked by Dani
  45. chemistry

    How do I give a name for the following? K2CO3 Fe2O3 PbCrO4

    asked by Anonymous
  46. algebra

    use the quadratic formula to solve the equation 4x^2-7x-2=0

    asked by Hokoslavia
  47. algebra...Please help!

    How do I find the y value for which the following problem is undefined? (4y^3-8y)/(y^2-2y)

    asked by Anonymous
  48. Trigonometry

    This is not a school homework help. I am practicing for a test where one of the objective says "Applying trigonometric functions in authentic contexts involving periodic phenomena". What am I supposed to study about this. Any hints? Thanks.

    asked by Brooke
  49. chem

    Consider the following chemical equilibrium: SO3(g) --> SO2(g) + 1/2 O2(g) and Delta H = 98.9J i. adding oxygen gas ii. compressing the system at constant temperature iii. adding argon gas iv. removing sulfur dioxide gas v. decreasing the temperature Which

    asked by Anonymous
  50. chemistry

    6. what are the units used to specify the solubility of a substance? 14. how is the concentration of 2 or more liquids expressed as a percentage? Is it mass of volume?

    asked by Anonymous
  51. geometry

    how do I find the missing side of a right triangle?

    asked by leslie
  52. social studies

    What group invaded the indain subcontinent from the black sea area?

    asked by Jane
  53. algebra

    hey i need some help with a couple of questions please..... change all bases to 2 then simplify fully 2^n x 4^n+1 8^n-2 (note that i cannot put the division line thingo in) prove that: a^m/n = n(outside radical sign)a^m (inside radical sign) i don't know

    asked by tim
  54. quick question

    I'm on Microsoft word, and I accidentally saved my document with one of these lines in it that you can form by doing this: ------------------------------------------------------------------------------ How do you get rid of it? I keep trying but I can't do

    asked by Emily
  55. Biology

    Why do we use the flourscent dye in DNA sequencing, what does it show?

    asked by Emmie
  56. SCI LAB

    In my science lab we tested anaerobic vs aerobic respiration. for the anaerobic we covered the test tubes with a plastic film. what is the term for that?

    asked by Quick question
  57. Algebra

    Solve. (x+5)(x-3)(x+4) is greater than 0. Use at least one inequality or compound inequality to express your answer. Type R if the answer is in all real numbers.

    asked by Mur
  58. science

    how do you figure out frequency? for example this problem. What is the frequency, when the wavelenth is 29 and the time is 1minute 42 seconds?

    asked by renee
  59. chemistry

    Please help me with this question For the system, (the previous post i forgot to post the Kp) PCl5 (g) --> PCl3 (g) + Cl2 (g) In a 5.0 L flask, the gaseous mixture consists of all three gasses with partial pressures as follows: PCl5 = 0.012 atm PCl3 = 0.90

    asked by Jack
  60. Biology

    where ar you likely to find a photoautotroph?

    asked by Taquiyyah
  61. speech

    i need to do a speech on 'a gentlemens agreement' by elizabeth jolley. On the attitudes of the main character.

    asked by j.
  62. Physics

    I also had another questin to go along with my lab. If a sponge ball, ping-pong ball, and a metal ball were rolling down the same incline on the moon, which would have the longest range? I figured that they would all have the same range since there is no

    asked by Jim
  63. English

    What correction should be made to this sentence? At the same time many families having greater income can take basic shelter for granted and proceed to satisfy higher level needs in housing. A)change can to must B)insert a comma after granted C)no

    asked by Jessica
  64. Math

    MEDALS WON BY THE OLYMPIC US IN THE OLYMPIC GAMES. TOTAL=2407 GOLD=974 SILVER=772 BRONZE=661 FRACTION FOR GOLD IS 974 OVER 2407 FRACTION FOR SILVER AND BRONZE PUT TOGETHER IS 1433 OVER 2407 HERE IS THE QUESTON!!! LOOK AT THE FRACTON ABOVE. WHAT IS THEIR

    asked by Mackenzie
  65. earth science

    what are the main differences between a chain formed at a divergent plate boudary and those developed at convergent plate boundaries? explain the differences

    asked by Dani
  66. Dr.Bob can you check out the question down the pg

    I posted a question yesterday. I was hoping to catch you before you left on your getaway. =D

    asked by ~christina~
  67. Algebra

    ^3sqrt23

    asked by Bretagne
  68. science

    How does knowing the age of a lunar rock help estimate the age of the surface of a planet with no atmosphere?

    asked by Dj
  69. science

    What conclusion can you draw about a planet;s properties just by knowing how far it is from the sun.

    asked by Dj
  70. P.ED

    They can be high school, college or professional mascots for sports teams. Tell me their orgin, their name, and a description of the mascot, picture if you can find one. Do not use Alabama, Auburn, etc. or any of the mascots that are familar to people.

    asked by P.H
  71. earth science!!!

    what are the main differences between a chain formed at a divergent plate boudary and those developed at convergent plate boundaries? explain the differences

    asked by Dani
  72. Dr.Bob => Can you see the post down the pg by me

    I'm trying to post this again..(assuming you didn't see the one below) I posted a question yesterday. I was hoping to catch you before you left on your getaway. =D

    asked by ~christina~
  73. chem

    What volume of carbon dioxide is produced at 0 degrees C and 1 atm when 1.6 L of oxygen is used to burn acetylene(C2H2)?

    asked by tim
  74. Repost: science for Misquiannah

    science - misquiannah, Sunday, March 9, 2008 at 5:40pm hello my name is misquiannah wixon and i am 10 years old and i need help with my sience homework like fast

    asked by Ms. Sue
  75. finance

    what is the face value and what is the par value? Are they the same?

    asked by jon
  76. math

    A physician orders 2gms of an antibiotic to be placed in 1000ml of D5W. Using a constituted injection that contains 300mg/2ml, how many mls should be added to the IV solution?

    asked by melissa
  77. us history

    what permanent changes occurred for labor unions as a result of the new deal

    asked by nick
  78. Essential Mathematics 1

    1.4 divide by 36.96

    asked by kim
  79. biology

    A cytology student believes he has identified an individual suffering from monoploidy. The instructor dismisses the claim. Why was the claim dismissed? What type of cells were being viewed.

    asked by Regina
  80. Bio Science

    The majority of nondisjunction events leading to Down syndrome are maternal in origin. Based on the duration of meiosis in females, speculate on the possible reasons for females contributing aneuploid gametes more frequently than males.

    asked by Cindy
  81. Chemistry

    Calculate the number of mol of NaOH in 25.5 mL of 1.08 M of NaOH.

    asked by Allie
  82. Chemistry

    A volume of 25.0 mL of 8.0 M acetic acid is diluted with sufficient water to prepare 1.00 liter of solution. What is the concentration of the diluted solution?

    asked by Allie
  83. English

    Which of the following statement is NOT accurate when describing the emotional powers of writing? Question 2 answers a. The power of color b. The power of style c. The power of emotion d. All of the above are correct

    asked by John
  84. Algebra

    Simplify by removing factors of 1. m^2 - 9/(m+3)^2

    asked by Janice
  85. Algebra

    Solve. Simplify answer using radicals as needed. Rationalize all denominators. 6x^4 - 11x^2 +3 = 0

    asked by Mur
  86. kinda easy geometry

    I know this geometry question may be simple for some of you but it is hard for me. I use to be able to do this type of problem but I guess I forgot it over time. Im sure we all do. Any help on this question would help. Thanks in advance for whoever helps

    asked by jake
  87. spanish

    What belongs to you, but other people use it more that you do?

    asked by lakaisjah
  88. chemistry

    what color is hydrogen? conductivity of hydrogen? atomization, fusion and vaparization of hydrogen?

    asked by timmathy
  89. chemistry

    Calculate the value of T delta S (KJ) of reaction for the equation as written. (It is given that the standard enthalpies (J/K mol)are CH3COOH=159.8, O2=205.138, CO2=213.7, H20=69.91) CH3COOH(l) + 2 O2(g) --> 2 CO2(g) + 2H2O(l)

    asked by Anonymous
  90. physics

    does a ball moving at a constant speed around a circular track produce acceleration?

    asked by Jason
  91. Chemistry

    I need to know how chemistry relates to sepsis (an infection where anitgens invade the red blood cells i think) I cant find any web sites to help me

    asked by Alicia
  92. s/studies

    wich seven states voted for the democratic presidential candidate in the 1928 election

    asked by bryanna
  93. com 215 written communication

    Write a job-application letter to accompany one of the resumes. What are the main differences between your hardcopy and online submissions?

    asked by Softye
  94. riddle

    The man who makes it, doesnt want it. The man who has it, doesnt use it. And the man who uses it, doesnt know it.

    asked by kyle
  95. science

    evidnce for evolution

    asked by shawn
  96. Algebra II

    Graph: x^2/9 - (y+2)^2/9 = 1 I do not have any points to graph for this equation. Any suggestions? Thanks.

    asked by Lucy
  97. chemistry

    why are ions of physiologic importance?

    asked by laguardia C.C
  98. science

    what three characteristics do the inner planets have in common?

    asked by Dj
  99. Economics

    Hello, I'm kind of struggling with this question. Can someone please help clarify this question. Since stock price beta tend to vary depending on the time frame analyzed, daily, weekly, and monthly. How do these factors influence or undermine the

    asked by Leila
  100. business

    examines the role of perception in the decision making process.

    asked by morin
  101. earth

    What happens when a cold surface water current collides with a warm surface water current?

    asked by Kelsey
  102. English

    Which of the following is NOT an exception when acknowledging sources through citation? a. Common knowledge b. Paraphrasing c. Facts available from a d wide variety of sources d. Your own findings from research I think it's b, but I'm not sure. Any ideas

    asked by Joey
  103. u shistory

    what permanent changes occurred for labor unions as a result of the new deal?

    asked by nick
  104. us history

    why did people criticize fdr and the new deal? what did the 1936 election reveal about voters attitides toward the new deal?

    asked by nick
  105. English

    Regarding the writer's strike, what are two valid reasons to support it: I can only think of one. The writer's should be adequately compensated. Would a second one have to do with royalties? But isn't that still along the same lines as the first??

    asked by jules
  106. math

    Please double check me Brent washes 6 cars in 72minutes. How many minutes does it take Brent to wash one car a. 6 min b 12min c 18 min d 24 min Answet: b Approxiamtely 4 out of 10 Students at Marc's college live on campus. The college has 3,000 students.

    asked by Sherri
  107. us history

    why did people criti cize and the new deal?

    asked by nick
  108. us history

    what were some ways in which roosevelt administration restored hope to the nation?

    asked by nick
  109. us history

    why did radical political groups gain support in the early 1930s?

    asked by nick
  110. social studies

    What is the term for the process when two cultures blend forming an entirely new culture?

    asked by Jane
  111. Essential Mathematics 1

    Evaluate .007 divide by 100

    asked by kim
  112. algebra

    ok, my last question got cut out..here is a link tothe word doc. I cant post an adress cus the site wont let me....go to rapidshare then just paste /files/98328813/Can_u_plz_help_with_these_two_questions.doc and put .html at the end.

    asked by tim
  113. Science-URGENT please

    Does anyone have any suggestions for a lab that would test the effects of exercise on human physiology? I thought of a lab involving running and heart rate, but my other classmates came up with a similar idea and i would prefer to do something different.

    asked by John
  114. Accounting

    Each of the following items was found on the financial stateme Company for the year ended December 31, 2007: Net income from continuing operations $136,500 Gain on the sale of a discontinued segment, net of taxes of $42,000 140,000 Loss from operation of

    asked by An-G
  115. criminal justice

    Does anyone have any information on Mark Fuhrman that you can provide from the O.J. trial. What role did he play in this case?

    asked by Tom
  116. English

    Which type of appeal focuses on the premise that something must be done? a. Sentimental b. Bandwagon c. False Authority d. Ethical I think it's b. Any help would be great.

    asked by Joey
  117. French question

    What does "sois gentil-ne parle pas si fort". I know the individual words but don't know the whole meaning. Thanks in advance.

    asked by joey
  118. history

    why was it beneficial for nations to pursue a foreign policy of nonalignment during the cold war?

    asked by me
  119. Pre Cal

    Due to my child being injured I missed this lecture at class. I am so lost now I read the chapter books but lets face it they don't make those in english. Write a function in factured form, then inexpanded polynomial form, having as zeros 2, -1 and 1 (plus

    asked by Deb
  120. chemistry

    when a charged rod is brougth closer to a stream of ethanol it bends? explain why?

    asked by shennay
  121. accounting

    how can liquidity be improved

    asked by F
  122. algebra

    Hey , can anyone help me out please? i'm really confused with this problem. Prove that: a^(m/n)= n(radical sign) a^m Any help is appreciated, thank you.

    asked by Bill