Questions Asked on
January 27, 2009

  1. chemistry

    a.Write the balanced chemical equation for the reaction of methane and sulfur. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.) 1CH4 + 4S --> 1CS2 + 2H2S (b) Calculate the theoretical yield of carbon disulfide when

    asked by lyne
  2. physics

    The figure below shows a test charge q between the two positive charges. Find the force (in newtons) on the test charge for q = 1 µC. Give a positive answer if the force is to the right and a negative answer if the force is to the left.

    asked by julie
  3. Algebra

    The formula C = 5/9(F-32) can be used to convert Fahrenheit temperatures to Celsius temperatures. a. Gold is liquid for Celsius temperatures C such that 1063 degrees (less than or equal to) C < 2660 degrees. Find a comparable inequality for Fahrenheit

    asked by Isabella
  4. Biology I

    Charles Darwin- Evolution? 2) Where does variation occur within an organism that causes evolution? 5) What is the main source of evidence for evolution? 6) What was the occupation that Darwin was originally studying for? 8) What did Darwin believe about

    asked by Rebecca
  5. 6th grade_Science/Math

    Imagine there is a large boulder on the edge of a shoreline. If a wave period is 15 s long. how many times is the boulder hit in a year? Thank you

    asked by Dan
  6. the percent equation

    1. find 30% 0f 70 2 what is 80% of 65 3 what percent of 56 is 14 4 36 is what percent of 40 5 80 is 40% of what number? 6 65% of what number is 78 7 what percent of 2000 is 6 8 12 is what percent of 4000 9 what percent of 3000 is 18 10 what is 110% of 80

    asked by Fabian
  7. Calculas HS

    the Museum of Science in Boston displays a running total of the U.S. population. on may 11, 1993, the total was increasing at the rate of 1 person every 14 sec. the displayed population figure at 3:45 PM. that day was 257,313,431. assume that the relative

    asked by may
  8. algebra

    The volume V of a gas varies inversely as the pressure P and directly as the temperature T. A certain gas has a volume of 20 L, and a temperature of 320 K, and a pressure of 1 atm. If the gas is compressed to a volume of 15 L and is heated to 330 K, what

    asked by bob
  9. Honors Algebra

    What do you call a duck that steals?

    asked by Anonymous
  10. math

    A woman exerts a horizontal force of 2 pounds on a box as she pushes it up a ramp that is 6 feet long and inclined at an angle of 30 degrees above the horizontal. how do you find the work on the box?

    asked by al
  11. CHEMISTRY!

    what mass of ethylene glycol C2H6O2 the main component of anitfreeze, must be added to 10.0L water to produce a solution for use in a car's radiator that freezes at -23.3°C. Assume the density for water is exactly 1 g/m.L

    asked by -
  12. Physics

    A tsunami, a great ocean wave, travels a distance of 7.2x10^6m in 2.88x10^4 what is the average speed of tsunami?

    asked by Brad
  13. physics

    Two charges, qA and qB, are separated by a distance, d, and exert a force, F, on each other. Analyze Coulomb's law and answer the following questions. What new force will exist if d is cut in half? What new force will exist if qA is tripled and d is

    asked by Mara
  14. math

    find the 5 diff. ways a collection of 100 coins-pennies, dimes, and quarters- can be worth exactly worth $4.99.

    asked by Julie
  15. math

    A horizontal clothesline is tied between 2 poles, 14 meters apart. When a mass of 4 kilograms is tied to the middle of the clothesline, it sags a distance of 5 meters. What is the magnitude of the tension on the ends of the clothesline? Use gravitational

    asked by al
  16. algebra

    1. The time t that it takes for a salesman to drive a certain distance d varies inversely as the average speed r. It takes the salesman 4.75 h to travel between two cities at 50 mi/h. How long would the drive take at 50 mi/h?

    asked by bob
  17. Urgent - Physics

    The U-shaped glass tube in the figure below contains two liquids in mechanical equilibrium: sea water of density 1.025 kg/L, and an unknown liquid of density ρ. The unknown liquid is in the left tube, floating on top of the water with a clearly visible

    asked by Jen
  18. Math

    I Have 5 coins: a penny, a dime, a nickel, a quarter, a loonie. How many different amounts of money could I pay using any combinations of these coins?

    asked by Tlyer M
  19. Chemistry: molality and freezing point?

    What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23.3C? Assume the density for water is exactly 1g/mL. m = moles solute / kg solvent Help

    asked by Agatha
  20. Calculas HS

    continous compounding you have $1000 wiht which to open an account to which you plan also to add $ 1000 per year. all funds in the account will earn 10% annual interest compounded continously. if the added deposits are also credited to your account

    asked by may
  21. calculus

    simplify: e^3lnx+4lny

    asked by Anonymous
  22. algebra 1

    Two records and three tapes cost $31. Three records and two tapes cost $29. Find the cost of each records and each tape.

    asked by Kayle
  23. Physics

    please check these: 1. According to the Scientific Method, why does a physicist make observations and collect data? a. to decide which parts of a problem are important b. to ask a question c. to make an interpretation d. to solve all problems i was

    asked by y912f
  24. english

    Hi, I have an assignement about and ad where you see backstreet boys advertising milk. Got milk ad Here is the assignment, I really need to hand in this lesson in half an hour..so, i'd really appriciate any help and i am very confused. write a response

    asked by Maria
  25. chemistry

    what does the statement "the properties of salt are different from the properties of the elements that go into making them.

    asked by Anonymous
  26. U.S.History

    please check these questions:[my letter is in CAPS] 1.In the Adams-Onis Treaty of 1819 a. the US doubled its size b. the Cherokees settled their dispute with the American government C. Spain Ceded Florida TO the US d. the US gained the right ot build the

    asked by y912f
  27. 6th grade science

    Explain why continental glaciers smooth the landscape andalpine glaciers cause a rugged landscape.

    asked by OlaZlnka
  28. Chemistry university level

    what mass of ethylene glycol, the main component, of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23.3 degree C? Assume the density for water is exactly 1 g/ml.

    asked by Raj
  29. socials

    How did tariffs slow down the world trade in the Great Depression. Is it because one country raises their tariffs to protect their profit, and the other countries vice versa, causing the products to be too expensive for other countries to trade or buy

    asked by Sh
  30. physics

    A bullet with a mass 0.05kg is speeding toward a block of mass 10kg. the bullet is initially moving with a velocity of 200m/s while the block is initially at rest....The bullet collides with the block, sticking inside, and knocks the block horizontally of

    asked by maria
  31. english

    what is the adjective in this sentence: the rhythm section of a jazz band usually includes a piano and drums . also could you tell me if it has a proper adjective in it or not CAPITALIZE it if it is ...................please and thank you ttyl

    asked by kashmira
  32. math, psychology, puzzle

    you have a 5 minute hourglass and a 9 minute hour glass. How can you use them to time a 13 minute barbeque?

    asked by kayla
  33. Health Repost

    Earlier i posted a question about brushing teeth. I just wanted to know, what are the acidic foods that can make your teeth bad permanently? I just need some examples Thanks! :) -MC

    asked by mysterychicken
  34. math, psychology, puzzle

    You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c

    asked by kayla
  35. writing

    What does voice refer to in a sentence? What does tense refer to?

    asked by gerald
  36. english - please answer!!

    can you give me a sentence for each of these words? thanks 1. swaggering 2. poignant 3. compelling 4. intriguing 5. riveting 6. edification 7. mesmerize 8. decibel 9. teleportation 10. damsel 11. rubbish 12. tattoo 13. optimum 14. cretin 15. subtle Thanks

    asked by haz
  37. Healthcare

    I need some help with a list ofidentifying the major components of health communication. Who is involved in each component? How does each component promote health communication? If not utilized, how would it reduce health communication?

    asked by Kia
  38. Engineering Economics

    Hi there, I am having some trouble solving this problem, can you give some guidance as to the solution. What is the amount of 10 equal annual deposits that can provide five annual withdrawals, when a first withdrawal of $1000 is made at the end of year 11,

    asked by Marzi
  39. english

    I need to rewrite this sentece getting rid of unnecessary or redundnt words. Most of the attempts to prove he did not write the plays are based on the limitation of his experience and upbrining. And can you please correct this: 1. Apparently, some scholars

    asked by Yana
  40. space

    Keplers second law notes that a planet should move fastes at aphelion. true or false

    asked by Jo
  41. astronomy

    The totally ecliped full moon is reddish in color due to the solar prominences. true or false

    asked by Jo
  42. HSM 270

    Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing.

    asked by dianne
  43. Biology

    You wish to produce a human enzyme, protein A, by introducing its gene into bacteria.The genetically engineered bacteria make large amounts of protein A, but it is in the form of an insoluble aggregate with no enzymatic activity. Which of the following

    asked by Jack
  44. algebra

    1. The time t that it takes for a salesman to drive a certain distance d varies inversely as the average speed r. It takes the salesman 4.75 h to travel between two cities at 50 mi/h. How long would the drive take at 50 mi/h?

    asked by bob
  45. Physical Education

    How would you overcome these hurdles? To Facilitate Curriculum Implementation To Strengthen Curriculum Planning and Development

    asked by Sarah
  46. U.S.History

    please check these two questios 1. How did the invention of interchangeable parts revolutionize the way products like guns could be produced? a. it demanded that the product maker hae a higher level of skill than before b. it slowed down the process of

    asked by y912f
  47. math

    after take off an airplane is flying at a height of 8,000 feet above ground.It has traveled a distance of 10,000 feet from the airport.if sam was to spot under the airplane ,how far would he have to travel?

    asked by jennifer
  48. Social Studies

    How large was Alexander's original kingdom in Macedonia?

    asked by Terrae
  49. Physics

    a solid aluminum ingot weighs 89N in the air. what is its volume? (b) the ingot is suspended from a rope and totally immersed in water. What is the tension in the rope?

    asked by Jaime
  50. puzzle (math, psychology)

    You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c

    asked by kayla
  51. Algebra

    I need help solving this equation. [SQRT(x + 3)] - [SQRT(x - 2)] =1 I know I am supposed to square each side however my teacher tells me I ahve to foil the lefthand side of the equation. Cna someone please help me with this. Thank you.

    asked by Junior
  52. Is this imagery?

    He hooks an arm around his son's neck and is at once caught in a fierce embrace. He smooths the dark head wedged against his shoulder, brushes the hair aside at the back of his neck to touch bare skin.

    asked by Kim
  53. 5th grade science

    Limestone and Marble are both used in scuplturing. Limestone becomes Marble under heat and pressure. Classify each rock, and tell which would be harder to scuplt.

    asked by Anonymous
  54. Research

    Can someone tell me how to make a running head for a term paper? Thanks

    asked by Anonymous
  55. Consumer Economics

    Question: Paula is three months away from graduating with a degree in business. She is getting nervous since most of her friends have already been offered jobs upon graduation. Paula needs your help. What are two job lead sources that you would recommend

    asked by TS21
  56. Health

    Hi again..sorry I havn't been asking questions these days as my sister (y912f) is always on :P I wanted to know whether it is better to brush your teeth after eating or before. Because mostly everyone does it before but I don't see the point when they're

    asked by mysterychicken
  57. parenting( IMPORTANT)

    I have an exam tomorrow for parenting and i have to write and essay on "what is an ideal parent?" I need some ideas and i need qualities too. thanks

    asked by ashley
  58. 9th grade

    f(x)=2x^2-5x f(.5) whats the answer HELP ME OUT....

    asked by corrine
  59. Religion

    What kind of questions would be appropriate to ask a Mormon? Can anyone give me examples?

    asked by Brooke
  60. English

    What are helping words

    asked by Patricia
  61. Chemistry Conversions

    Convert to Mass Convert to Mass: .000523 moles of C6H12O6 if figure that out, would i have to add up the molar mass of C x 6, H x 12 and O x 6 ? then us the total mass of that over moles to find out?

    asked by Chopsticks
  62. English

    In my english class we have to right poems and this week we are writing spondaic. What are some examples of spondaic poetry? Also what is a foot in poetry?

    asked by Jillian
  63. english

    what are two higher level words for the root word: BIO

    asked by mel
  64. SOCIAL STUDIES

    How large was Alexander's empire at its height?

    asked by Terrae
  65. French

    So if é = a then étais would be a-tay? or et-tay? Because I thought it was et-tay. les contes de fées, the "fée" is pronounced as "fay" right?

    asked by jill
  66. physics

    a solid aluminum ingot weighs 89N in the air. what is its volume? (b) the ingot is suspended from a rope and totally immersed in water. What is the tension in the rope?

    asked by Jaime
  67. Algegra

    What is the overlap between functions and linear equations?What is an nonlinear equation? Examples?

    asked by justme
  68. human resources

    Your boss wants you to send a message to the production staff, thanking all six members for their hard work and over time to get the new manufacturing line set up and running on schedule. Your boss has been working on a lot of overtime herself; she’s

    asked by China
  69. Maths

    Just need a bit of help understanding what exactly i have to do here to work this out. Rearrage the following equation and hence state the gradient and the y-intercept. 2y = 8x + 10 Do i just go: y = mx + c 2y = 8x + 10 y = (8x + 10) /2 y = 4x + 5 or do i

    asked by Nat
  70. history

    Do you have any history tutors that could help me?. i am doing an essay about George Stephenson. Mr Huskisson death when he was killed by george stephenson`s train i need the date that it happened. ive looked on different sites but they have different

    asked by dancer
  71. Biochemistry

    Assuming pKa values of 3.8 for the a-COOH and 8.5 for the a-amino groups and that the numbers in parentheses indicate the pKa values of side chain groups, at what pH would electrophoresis provide the best resolution of the following dipeptides? His (6.0)

    asked by Andrew
  72. linguistics

    Hello everybody! I need a huge favour! If someone is very very good at distinguishing metaphors from metonymys please leave an e-mail.I am going to send you some examples.So if anyone is willing to do it please say!

    asked by lily
  73. com/215

    how you would approach creating a negative message for a superior? VERSUS creating a message for a colleague, subordinate or fellow student.

    asked by Issabella Landcaster
  74. math word problem

    can someone help me solve this? not just an answer but a method of solving cause im having a hard time grasping this. Three times the larger of two numbers is equal to four times the smaller. The sum of the numbers is 21. Find the numbers.

    asked by koori
  75. geometry

    i really don't understand how to realate an angle formed by a transversal and two parallel line (please need help understanding fast!!:0)

    asked by Brianna
  76. Algebra

    if there are 2 cylindrical cans. A label on the small one says it has a volume of 513 grams. the large one was destroyed. the small can's diameter was the same as the large can. large was 1/3 taller than the small can. what is the volume of the large can?

    asked by Cecilia
  77. high school

    CAN U GIVE ME A GOOD ORATORICAL PIECE

    asked by KRISHIA
  78. HSM 270-HUMAN SERVICES

    Discuss the advantage and disadvantage of a qualitative and quantitative evaluation for domestic violence agency.

    asked by dianne
  79. math

    A constant force -6i-2j-1k moves an object along a straight line from point (8, -6, -9) to point (-5, 3, 3). how do you find the work done

    asked by al
  80. U.S.History

    i need help answering this question:how is the constituiton "alive" today. i don't know if i understand it correctly does it mean like what features or parts of the Constitution make it flexible enough to apply to the nation's needs today? if that is what

    asked by y912f
  81. Biology

    All known proteins in cells adopt a single stable conformation because (a) any chain of amino acids can fold up into only one stable conformation. (b) protein chains that can adopt several different conformations have been weeded out by natural selection.

    asked by Jack
  82. math

    you buy two coats the sum is $77 the product of your purchase is $1440 how much is each coat

    asked by taylor
  83. chemistry

    what examples of the types of functional groups which will have to be present in the receptor sites in order for the two types of binding interaction to take place.

    asked by trigger
  84. Algebra

    Can someone help me solve this type of equation. [SQRT(x + 3)] - [SQRT(x - 2)] =1 . Also. My teacher tells me I keep getting it wrong because after I square both sides, I am supposed to foil the "lefthand side of the equation". IF anyone knows what I am

    asked by Junior
  85. grammar

    what is a simple subject?

    asked by kylan
  86. sci 241

    lactose intolerance, Crohn’s disease What are some of the ways these two digestive problems can be remedied or relieved?

    asked by meshelle
  87. algebra

    can you help me solve these problems step by step? -9(6+u)-2u=-10 and 13x+7(-3x-1)=-63

    asked by girl09
  88. math

    buy two coats for the sum of $77 the product of the purchase is $1440 what is the cost of each coat both the sum and the product must be involved

    asked by taylor
  89. government

    what three main ideas about governemnt did the colonist bring from england?

    asked by adela
  90. science-chemistry

    For diatomic molecule, must the 2 atoms be of the same element, e.g H2?Is CO a diatomic molecule?

    asked by anne
  91. U.S.History

    i need to come up with a list of reasons why i oppose the idea that government agencies should regulate the internet, setting guidelines for its contents and limiting access to databases containing personal information. all i have is that it would cut down

    asked by y912f
  92. science

    diseases and their systems caused by the deficiency of minerals eg. calcium phosphorous, sodium, potassium, iron, iodine and fluorine. preventive food to control these diseases

    asked by christopher
  93. Science

    How does 7up help an upset stomach

    asked by Carol
  94. Chemistry

    What does it mean when a problem says "give the values for STP"?

    asked by Kara
  95. science

    Genologic time: what is absolute dating/nurmerial age? describe this method and how it is used to evaluate genologic time?

    asked by dianne
  96. Algebra

    Given any positive integer, show that two must exist whose sum or difference si divisible by 10.

    asked by Renee
  97. Algebra

    For what values does the sqr root of 2x = x square root 2 ?

    asked by Kelley
  98. Economics

    What is the explanation of the reltionship between the price elasticity of demand and the total revenue

    asked by Linda
  99. Algebra

    Nikki noticed that is she stacked her dollar bills in stacks of 6 she had 3 left over, stacks of 8, 7 left over, and stacks of 4, 4 left over. If she knows she has less than 100 dollars, how many bills left if she had stacks of 7??

    asked by Miranda
  100. Astronomy

    Which statement aout declination is FALSE. a. Polaris is almost at +90 degrees b. Stars passing your zenith have a declination equal to your local latitude c. Its origin is the celestial equator d. It is measured eastward in units of time e. It is much

    asked by Jo
  101. To China -- communications

    I removed your post about drafting a message from your boss. Please repost it with your ideas about these questions. We'll be glad to critique your answers.

    asked by Ms. Sue
  102. Science

    What are the 5 kingdoms?

    asked by Celi
  103. History

    in the gun powder plot ,wre the catholics to be blamed?

    asked by Tenesha
  104. social studies

    i have work to do and one of the questions is For hundreds of years chinese kept how to make this a secert, but eventually the process was smuggled out of the country. it is made from the cocoon of a catpillar that feeds on mulberry leaves. if you could

    asked by brianna
  105. U.S.History

    how can i summarize the arguments against the constitution in one sentene. :(

    asked by y912f
  106. english

    give the etymology of the root word : BIO and where it is derived from and the definition

    asked by mel
  107. chemistry

    What was Le Chatelier's principle on the effect on the equilibrium yield of nitric oxide of increasing the pressure and The effect on the equilibrium yield of nitric oxide of increasing the tempreture

    asked by trigger
  108. SOCIAL STUDIES

    How large was Alexander's kingdom in Macedonia? What distance? Please give a number using miles or kilometers please!?

    asked by Terrae
  109. SOCIAL STUDIES

    How to use a map scale?

    asked by Terrae
  110. chemistry

    im having trouble balancing this. I tried it but everything just ends up being uneven Ba(OH)2 * 8H2O + NH4SCN --> Ba(SCN)2 + H2O + NH3

    asked by lyne
  111. geometry

    IF FRACTIONAL SIDES ARE USED FOR A DOG PEN ,WILL THE AREA INCREASE OR DECREASE.

    asked by emanuel
  112. US History

    Was it possible for the Southern states to be "kicked out" of the union?

    asked by Dinosaurs_rawk
  113. MATH

    HELP ON DISCOUNT & SALES TAX

    asked by ASHLIE
  114. U.S.History

    pleae check these: 1. what was the purpose of the gag rule A. To prevent the reading of antislavery petitions in Congress b. to stop the activities of temperance supporters c. to discredit the women's rights movement d. to expose the Underground Railroad i

    asked by y912f
  115. econ

    which one doesn't belong out of these 4 and why displays, advertising, owners manual, or charge accounts and why?

    asked by jerson
  116. social studies

    what did the adverturers want to do other than farm

    asked by jentil
  117. English

    Does this sentence make sense? My mother's bedsheets has embroidery.

    asked by Karen
  118. World History

    What mistake did Lenin's followers make that allowed Stalin to take power?

    asked by Emily
  119. Year 8 geography

    i need to label a picture of a river. the mouth and other parts. does anyone know any good websites that can help me a labelled diagram would be helpful thanks for your help!

    asked by AMIE
  120. drwls-year8 geography

    thanks for finding that link its helped me with my homework

    asked by AMIE
  121. Math - exponential

    Is [ ln(2) / 7] the same as [ (1/7)*(ln(2))], if not, how are they different? Only asking because I wrote the first one as my final answer for a test and it was not correct...

    asked by Anonymous
  122. SCI 241

    Heartburn is cause by the improper function of the lower esophagus, contents of the stomach leak back into the esophagus." My question is how did you know what appears to be considered a fact?

    asked by meshelle
  123. English

    What is poetry?

    asked by Cassie
  124. science245

    Scientists debate about the use of fossils as a tool to determine records of various events, such as the vanishing of the dinosaurs or the origin of our ancestors. Based on what you know of fossils from your textbook and other sources, discuss the role of

    asked by dianne
  125. science

    How does a substance's density react to changes in temperature and pressure?

    asked by Anonymous
  126. English

    can you give me a sentence for each of these words? thanks 1. swaggering 2. poignant 3. compelling 4. intriguing 5. riveting 6. edification 7. mesmerize 8. decibel 9. teleportation 10. damsel 11. rubbish 12. tattoo 13. optimum 14. cretin 15. subtle Thanks

    asked by Hazel
  127. French

    I think I have the subjunctive figured out now. Well, maybe not. Can someone check my work? I'm not very good at French either so it may have tons of mistakes. Thank you! I needed to use the subjunctive 7 times so can you check that too? Thanks! Quand nous

    asked by Deanna
  128. Social Studies

    Why do different people have different religios beliefs?

    asked by Danielle
  129. Social Studies

    Why do different people have different religious beliefs?

    asked by Dana
  130. SCI 245

    Describes the origin of metamorphic rocks Describes how metamorphic rocks are formed. Lists the two categories of metamorphic rocks. Describes the distinguishing characteristics between the two categories of rocks. help please

    asked by troyer0269
  131. Business communications

    How to put a powerpoint presentation together. I have not used powerpoint before. please help! A new business perposal to add busenesses to a new business.

    asked by Eloise
  132. human services

    Identify three considerations that should be part of the program and proposal prelanning process of grant posposal writing that is 100 to 200 words.

    asked by dianne
  133. Algebra

    How many people must be in a room to be sure that at least 4 of them have the same birthday?

    asked by Mackenzie
  134. french

    how do you pronounce "jouets" do you pronouce the "t"? and how do you pronouce "representaient"? thanks

    asked by jill
  135. Algebra

    What is the algebraic expression for the difference of a number and 8?

    asked by Briana