Questions Asked on
January 14, 2007

  1. Chemistry

    In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, the mole fraction of Ar is ________ if the partial pressures of He and Ne are 1.50 and 2.00 atm respectively. pHe = 1.50 atm. pNe = 2.00 atm. pAr = 8.40 atm - 1.50 - 2.00 = ?? mole

    asked by john
  2. analyze the poem-clear thesis?

    The Pulley George Herbert When God at first made man, Having a glass of blessings standing by, Let us (said He) pour on him all we can: Let the world’s riches, which dispersed lie, Contract into a span. So strength first made a way; Then beauty flowed,

    asked by leya
  3. Physics help!!!!!!

    A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 10-12 N. What is the gravitational potential energy of the two-particle system? a) A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with

    asked by Jessy
  4. Multiplying Binomials

    You are planning a rectangular garden. Its length is twice its width. You want a walkway 2 ft wide around the garden. a. Write an expression for the area of the garden and walk. b. Write an expression for the area of the walk only. c. You have enough

    asked by Emily
  5. chemistry

    how would i calculate; a 50g sample of water at 100 degrees is poured into a 50g sample of water at 25 degrees. with a specific heat of water (l) being 4.184 j/g degrees C.what will be the final temperature of the water? heat gained + heat lost = 0

    asked by Noreen
  6. Chemical Bonding

    Predict the type of bond present between carbon and suffer in vulcanized runbber? Is that ionic. Please tell me how I can figure out what bonds are present in different chemical reactions. Like phospherous nad oxygen in a DNA molecule. CS bond is covalent.

    asked by Karen
  7. Chemistry...kinda simple

    What are the valence electrons in the following? PH4+ (phosphonium) HCN (hydrogen cynide) NO3- CN- H3O+ NH4Cl i know its kinda simple but i just can't really seem to grasp it Thanks in advance! I don't understand the question. Do you mean how many

    asked by Mallory
  8. Gravitation help..........thanks

    A projectile is shot directly away from Earth's surface. Neglect the rotation of Earth. (a) As a multiple of Earth's radius RE, what is the radial distance a projectile reaches if its initial speed is one-fifth of the escape speed from Earth? ____ times RE

    asked by Jessy
  9. prealgebra

    The elevation of Mt. Whitney, the highest peak in California is 14,776 ft more than the elevation of Death Valley, California. If Death Valley is 282 ft below sea level, find the elevation of Mt. Whitney. Let x be the elevation of Mt. Whitney x - (-282) =

    asked by summer
  10. chem

    The volume of any solid, liquid, or gas will change with _________. temperature and pressure.

    asked by Dennis
  11. Pysical Features

    Can you give me a breif 2 page summary of all the physical features of Africa Kelly , we don't do your homework for you. Here are sites that will give you good information. http://library.thinkquest.org/16645/overview.shtml

    asked by Kelly
  12. Math - Financial Analysis

    How do I determine the profit margin (return of sales)? Billy's Chrystal Stores, Inc. has assets of $5,000,000 and turns over its assets 1.2 times per year. Return on assets is 8 percent. What is the firm's profit margin?

    asked by swischeese
  13. Science

    1. convert .621 hl to liters? 2. Convert .013 dl to liters? 3. Convert .00078 mg to kg? 4. Convert 2.45 g to cg? 5. convert 1.9 km to cm? 6. convert .0476 mm to dam? 7. Convert 6.4 ul to nl? Do them all this way: (a) figure out what the units mean. For

    asked by Biologyconfused....
  14. Chem

    The space occupied by any sample of matter is called its __________. volume

    asked by Dennis
  15. Geo

    How does latitude and Longitude affect the climate in St.Jonh. I don't get it??? St.John New Brunswick I mean. The longitude doesn't affect St. John's climate since it measures distance from east and west from the Prime Meridian. However, its latitude,

    asked by London
  16. Geography

    I know that this hwk help forum has a policy not to give answers, therefore I will share what I know and I ask you tell me what you think. THE MODERATING EFFECT OF WATER ON FREDERICTON, N.B I searched through many resourses and most say that Fredericton is

    asked by London
  17. Chemical Bonding

    Predict the type of bond present between carbon and suffer in vulcanized runbber? Is that ionic. Please tell me how I can figure out what bonds are present in different chemical reactions. Like phospherous nad oxygen in a DNA molecule.

    asked by Karen
  18. english-poem

    Need some help! i understand mostly this poem but can someone explain to me the part from FOR IF I SHOLUD till the end The Pulley George Herbert When God at first made man, Having a glass of blessings standing by, Let us (said He) pour on him all we can:

    asked by leya
  19. Physics

    An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 300 meters

    asked by Bob
  20. Electrochemistry

    Hi, I'm in my final year of high school doing an electrochemistry unit and there is a concept I just don't really get. I would appreciate all helps please-- Redox reaction half reactions are: Oxidation: Zn(s) --> Zn 2+ (aq) + 2e- Reduction: Cu2+ (aq) + 2e-

    asked by Sienna
  21. Cultural diversity

    What are some similarities and differences between you and the people who are in leadership positions in your community? If you could resolve any inequities within your community, what would you change? How and why? Which main concepts from the text relate

    asked by momof4
  22. Bacteria

    I was growing some bacteria in Petri dishes that I got from wiping my hand with a q-tip. Condensation appeared directly above the bacteria when they got somewhat large. Was this H20 or something else? And why did it form? Humm The products of ellular

    asked by Sara
  23. Journal

    How do I begin a Journal for a homework assignment on Subordinate Group Member? I need help with knowing how to start my Jounal, so can someone help me please? To what group is the member a subordinate? What is the purpose of the journal? If you are still

    asked by Martha
  24. Chemistry (Check)

    Completion. struggling with this....I got 1) 2)Precision 3)experimental value 4) 5) The ___1___ of a measurement describes how close the measurement comes to the true value. The ____2___ of a measurement depends on its reproducibilty. An ___3___ is a value

    asked by Bryan
  25. Math

    To be written on the axis of a graph,suggest two quantities that might be described by the statement. 1) When one quantity decreases, the other decreases. 2) When one quantity decreases, the other increases. 3) When one quatity increases, the other

    asked by Kimmy
  26. Chemistry

    When 23.18 g of element A react completely with 48.08 g of E, compound A2E is formed. When 11.70 g of A react with 22.57 g of G, compound AG is formed. If elements E and G react to form EG3, what mass in grams of G is required to react with 12.97 g of E?

    asked by AJ
  27. Geography of Canada

    This is a multiple choice question. Please answer it. I want to know what the answer id therefore I know if I was wonr gor right on my test. New Brunswick mainly receives which type of precipitation: a.) relief or orographic b.) convectional c.) cyclonic

    asked by London
  28. writeacher

    what happen to the website at pathwhelp? It's still there. http://www.pathwhelp.org Have you entered any of the help rooms at night? Or have you posted questions on the message boards? ?? The link above brought a message that the site couldn't be found. I

    asked by bob
  29. history

    How elderly people lived in ancient Rome and Greece? About 5 percent of ancient Rome's population was over age 65. Considering that Rome's population was about one million in 5 B.C., about 50,000 of the people were over age 65. Sources:

    asked by regina
  30. Chemistry Help

    Good morning, I would like to ask some questions. 1. Is KNO subscript 3 named potassium nitrate 2. Is NaOH named sodium Hydroxide 3. Cu(No subscript 3) subscript 2 named Copper(II) nitrate 4. PCl subscript 3 named phosphate trichloride 5. Can you help me

    asked by mZ. YoU
  31. Muslim and Arab Americans

    that is 4 questions that I have here is 1. Ho are your table answers similar? How are they different? Do either tables list descriptors in the Both Groups category? Describe. From either or both tables, name one or two descriptor(s) that you think

    asked by Letitia
  32. mass and human body

    By mass, most of human body is composed of what? nitrogen carbon water hydrogen I think the answer is water. Am I correct? http://www.madsci.org/posts/archives/may2000/958588306.An.r.html so am I correct in saying that it is water? I don't need

    asked by David
  33. maths 2

    The original question I had was write arcsin4 in the form a+ib. I manage and understand how to get so far BUT How do I get from cosacoshb-isinasinhb=4 to 2m(pi)+/- iarccosh4 arcsin4 = a + b i ---> 4 = sin(a + bi) sin(a + bi) = sin(a)cos(bi) + cos(a)

    asked by Jake
  34. discipline

    When Pat talks during math instruction, Mrs. Miller puts Pat's name on the board. If Pat interrupts the lesson again, she will receive a check by her name and lose five minutes of recess. What type of discipline is this called? Is it assertive discipline?

    asked by Kayla
  35. Geo

    Just a quick question that will help me in my essay. I just need a quick answer not an explination, Im just using this answer as a quick refernce. Question: What is the most common precipitation in New Brunswick. I just need a quick answer. Rain When I say

    asked by London
  36. math, correction

    for graphing: y =10x +40 some points would be: (-3,10), (0,40), and (3,70) yes.

    asked by jasmine20
  37. PHYSICS - VERYYYY IMPORTANT!!!

    VERY IMPORTANT FOR A PHYSICS PRESENTATION.. PLEASE HELP & EXPLAIN CLEARLY??? THANKS SO MUCH! (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it

    asked by Silvia
  38. Economics

    After the U.S. invasion of Iraq, the price of jet fuel used by airlines increased dramatically. As the CEO of Air Canada, you have been presented with the following options. Evaluate these options in the context of decision making model. a) raise airfares

    asked by Selina
  39. math, correction

    The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner spending on advertising? Formula: rev = k

    asked by jasmine20
  40. math,correction

    Graph each of the following equations by first solving for y. 2x – 3y = 12 so it would be: y = 2/3x – 4 and the solutions points would be: So (-3,-6) is a solution

    asked by jasmine20
  41. chem

    Does the mass of an object changes with location? No. Weight depends upon location; mass does not. According to the theory of relativity, however, mass depends upon speed. The changes are only noticeable at velocities that are a large fraction of the speed

    asked by Dennis
  42. Law - please help... urgent

    in as law if there is a question on alternative dispute resolution do i decribe negotiation mediation conciliation mini trials AND arbitration or just the first four? It depends on the alternative dispute contract that was agreed on by the parties. It can

    asked by me
  43. math

    Instructions: Tell whether each expression represents a positive number or a negative number when m and n are negative. problem: -n/-m If both m and n are negative, then both -m and -n (numerator and denominator) are positive. What does that tell you about

    asked by catalina
  44. algebra

    What is a discriminant? m_s_n encarta dictionary it explains it well In quadradic equations of the form ax^2 + bx + c = 0, the discriminant is b^2 - 4 ac.

    asked by c
  45. Science

    Assume that RBCs live 100 days. How many must you make per second to keep your cell count constant? You have to have the population to do this. Assume the number of RBC in the blood is P Then the rate dying is P/100 days Then the rate of regeneration must

    asked by Jay
  46. math,algebra

    I have to make a word problem with a real life situation that follows a linear equation i have to come up with the independent variables being years.Then i have to create an equation or inequality that could be used for analysis, prediction, or decision

    asked by jasmine20
  47. excersize science

    What are a few excersizing you can do to strengthen the abdominal muscles Which set of muscles would you use for lateral bending and rotation of the trunk? For abs, sit-ups or crunches are considered the best.

    asked by ana
  48. Government questions..

    1 --In Japan, the process by which the prime minister can excuse the House of Representatives and trigger a general election is called? 2 -- How did Marx envision communism in its final form? 3 --from the states' point of view, what advantage did revenue

    asked by Jina
  49. critical thinking

    how do assumptions relate to the process of critical thinking? Please note that we don't do students' homework for them. Once you have come up with a response to these questions, please re-post and let us know what you think. Then someone here will be

    asked by kk
  50. mssue can you please view

    can you please view my last postage. i hope you can understand me. If you think i don't appreciate your help well let me tell you how greatful i am of having each and one of you tutors all i want is to feel clear about a topic that i'm in question that's

    asked by kailin
  51. physics

    In which of these cases is a youngster doing work in the school gymnasium? 1. climbing up a rope 2. hanging motionless from a chinning bar. 3. lifting a set of weights from the floor to overhead WHICH ONE & WHY? A BRIEF EXPLANATION WOULD BE NICE. thank you

    asked by maria
  52. Cultural Diversity

    I really need some help on these questions. What are some similarities and differences between you and the people who are in leadership positions in your community? If you could resolve any inequities within your community, what would you change? How and

    asked by momof4
  53. algebra

    I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with. 1. what is the GCF of 7x^2 and 14x^3 2. what is the GCF of 4x^5 and 6x^7 The exponents are throwing me off.

    asked by c
  54. bobpursley

    I hope that you guys don't feel like i'm not appreciated from your help. Because i am all i was saying in previous postages that i was getting confused because one tutor was saying one thing and another another and i didn't know what direction to take for

    asked by kailin
  55. Geography

    After looking at multiple resourses I have concluded that New Brunswick is a martime and continential climate region. Is this correct? And If so, why is it both? It is correct. I will be happy to critique your thinking. Why is Florida Panhanndle a maritime

    asked by London
  56. Finding a Formula, help please !

    Does anyone know the formula to find any point between two other given points in a line? Please, and thank you! The mindpoint formula xm= _(x1 + x2) /2 ym = (y1 + y2) /2 This give the midpoint (xm, ym) between the points x1,y1 and x2,y2 Thanks for the tip,

    asked by Paris
  57. Marketing Management

    What ae subway limited target group? Are you asking what the Subway sandwich company targets as its prime customers? Please clarify your question and we'll try to help you. Actually i am totally lost at what i am really looking for. This was suppose to be

    asked by zeta
  58. math,question

    why are function notation important? I don't know that it is important. However, it is a convenient shorthand notation that speaks to the variables and the function rather plainly. what do you mean speaking to the variables can you give me an example of

    asked by jasmine20
  59. math correction

    graphing : y = 3/4x +2 the points i have are: (-3, -1/4), (-2,1/2),(-1,1 and 1/4)0,2),(1, 2 and 3/4),(2, 3and 1/2)(3, 4 and 1/4),(4,5) Question: If you graphed this...did the points fall on the line? If they did, they have to be points on the line.

    asked by jasmine20
  60. Science

    I was growing some bacteria in Petri dishes that I got from wiping my hand with a q-tip. Condensation appeared directly above the bacteria when they got somewhat large. Was this H20 or something else? And why did it form?

    asked by Me
  61. english-essay

    Can someone correct this essay please?Thanks:) This kind of book does not allow you to take just one part of it and discuss it. The whole book was really interesting. I just could not stop reading it. What i find the most fascinating is this feeling i had

    asked by tull90
  62. Maths

    How do I write arcsin4 in the form a+ib. I know the answer but do not Know how to get to it Take sinus of both sides: 4 = sin(a)cosh(b) + i cos(a)sinh(b) Equate real and imaginary parts. You then see that you can put a = pi/2. And it then follows that b =

    asked by Jake
  63. ms.sue do you not want to help me

    can you please let me know? Kailin, I think she needs a break today. Ice storms are very tense times.

    asked by kailin
  64. Socrates

    http://www.google.com/search?hl=en&q=socrates+on+existence Several good articles here. =) What was Socrates view on existence? http://www.abu.nb.ca/Courses/GrPhil/Socrates.htm http://everything2.com/index.pl?node_id=1679049 These sites should give you a

    asked by Writeacher
  65. Geo

    http://www.timetemperature.com/tzca/new_brunswick_time_zone.shtml Is N.B continential or maritime. N.B. could be New Brunswick or New Braunsfels... Please be specific. New Brunswick Since New Brunswick is on the coast, it must have a maritime climate.

    asked by Writeacher
  66. someone to correct?

    Roses are Red is not fiction, this is really happening in the world today. We are watching television every day, movies, series etc.The Mastermind exists unfortunately. There is always sick people in the news who are doing sick things. James Patterson has

    asked by tull
  67. math, correction

    Graph each of the following equation, using the intercept method. 2x + 3y = 6 so the solutions are (0,2) and (3,0) yes.

    asked by jasmine20
  68. critical thinking

    what are the essential components of a logical argument? These sites will be of help. http://www.philosophypages.com/lg/e01.htm http://en.wikipedia.org/wiki/Logical_argument

    asked by kk
  69. critical thinking

    what is the meaning of validity, truth, and soundness as they relate to the area of logical syllogism? http://en.wikipedia.org/wiki/Syllogism http://www.philosophyclass.com/logic.htm These two sites will explain syllogisms very well. Since this is not my

    asked by kk