Questions Asked on
January 1, 2010

  1. Chemistry

    If 3.21 mol of a gas occupies 56.2L at 44C and a pressure of 793 torr, what volume will 5.29 mol of this gas occupy under the same conditions? (A) 61.7 L (B) 30.9 L (C) 14.7 L (D) 92.6 L (E) 478 L

    asked by Anonymous
  2. physics

    Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction. However, if Jessica stumbles while

    asked by Anonymous
  3. Trigonometry

    How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi

    asked by Grace
  4. Business Maths

    How do i calculate this problem and enter it in a journal entry: If a company issues 10-year, 8%, $100,000 bonds paying interest on an annual basis, at a $5,200 premium, the annual interest expense on the bonds will be:

    asked by Peaches
  5. Physics

    A power station with an efficiency of 0.4 generates 10(to the power of 8)watts of electric power and dissipates 1.5 x 10(to the power of 8) watts of thermal energy to the cooling water that flows through it. Knowing that the specific heat of water in SI

    asked by Anonymous
  6. Tirginometry

    the expression 4ab(square root of)2b-3a(square root of)18b^3+7ab(square root of)6b is equivalent to... (a)2ab(square root of)6b (b)16ab(square root of)2b (c)-5ab+7ab(square root of)6b (d)-5ab(square root of)2b+7ab(square root of)6b Please help its due

    asked by William
  7. Chemistry

    A balloon originally has a volume of 4.39L at 44 C and a pressure of 729 torr. What temperature must the balloon be cooled to to reduce its volume to 3.78L at the same pressure? (A) 38 C (B) 72.9 C (C) 0 C (D) 546 C (E) 273 C Is the correct answer (A), 38

    asked by Anonymous
  8. Statistics

    QNT 561: I want the Statistics question problems for chapter 3 and chapter 5 from the book "Statistical techniques in business and Economics" by Lind, Marchel and Wathen. Can somebody give the questions? Thanks.

    asked by Mrs. Lakshmi
  9. chemistry

    A solution containing silver (I) ion (an oxidizing agent) is mixed with a solution containing iron (II) ion (a reducing agent). a. What is the balanced equation? b. If the contents of the reaction mixture described above are filtered, what substances, if

    asked by anonymous
  10. chemistry

    A solution containing silver (I) ion (an oxidizing agent) is mixed with a solution containing iron (II) ion (a reducing agent). a. What is the balanced equation? b. If the contents of the reaction mixture described above are filtered, what substances, if

    asked by anonymous
  11. Energy Science

    ___ can convert sound waves to an electrical signal that can be converted to radio waves, microwaves, or light waves. Receiver convert the tramsmission back into electric signal, and the speaker changes the electric signal into a ___ wave

    asked by Lucas Parker
  12. Probability

    The probability of drawing a red Jack or red Queen from a standard deck of cards is...? 1/13, 12/13, 4/13, or 9/13?

    asked by Anna
  13. Chemistry

    Gaseous mixtures: (A) can only contain isolated atoms (B) can only contain molecules (C) must contain both isolated atoms and molecules (D) are all homogeneous (E) are all heterogeneous Is the correct answer, (D), are all homogeneous?

    asked by Anonymous
  14. probability

    A fair die is thrown twice. What is the probability of obtaining two "sixes"? 1/36, 5/36, 5/6, or 1/6?

    asked by Anna
  15. Accountant

    It is stand accounting procedures, or GAAP, to make an adjusting entry to remove the current year’s principle from the long-term liabilities. This entry reduces the long-term liabilities and increases the current liabilities. You are the bookkeeper for

    asked by Timothy
  16. science

    a hook for holding objects together

    asked by cody hackney
  17. Pre-Cal

    Hi, can someone please solve this step-by-step for me? I really don't get it... Directions: Use the quadratic formula to solve the equation in the interval [0,2PI). Then use a graphing utility to approximate the angle x. 4cos^2x-4cosx-1=0 thanks.

    asked by james
  18. english

    If this be error and upon me proved, I never writ, nor no man ever loved. These lines are an example of a/an

    asked by Anonymous
  19. 1st grade Math Fair

    My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help?

    asked by Joyce
  20. pre-cal

    What are the steps for solving this? Directions Use the quadratic formula to solve the equation in the interval [0,2PI). Then use a graphing utility to approximate the angle x. 4cos^2x-4cosx-1=0 thanks.

    asked by james
  21. art

    I need serious help! does anyone know a really helpful website tofind otu the meanings of all the elements of design and the principles of design! PLEASE AND THANK YOU!

    asked by Anonymous
  22. Trig

    How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2

    asked by Grace
  23. Triginometry

    Solve 2x^2-12+4=0 by completing the square, expressing the result in simplest radical form.

    asked by William
  24. chemistry

    If the acid base reaction HA(aq)+B^-(aq)---> HB(aq)+A^-(aq)

    asked by chikirshu
  25. math

    A school sells tickets for a show, (a) adult tickets and (c) child tickets. 1) each adult ticket costs $8 and each child ticket costs $5. the total takings are 2300. Write an equation to represent this information. 2) solve algebraically the simultaneous

    asked by harry
  26. grammar

    I remember instances where I fell. when or where ?

    asked by Helen
  27. probability

    Okay, for this one, I know it's either one of two answers. In how many different ways can 7 different people line up for a picture? 49, or 823543.

    asked by Anna
  28. History

    I need to list the factors that led to political stalemate and the subsequent farmers' revolt in the late 19th Century, here is what I have: Economic Conditions, Problems with the currency, Granger Movement, Farmer's Alliances, The Omaha Platform of 1892

    asked by B.B.
  29. american democracy

    public opinions is ordinarily used in reference to the whole society. this perspective is :

    asked by rinna
  30. Business

    I am writing about the Salvation Army. In regard to Salvation Army stakeholders I believe they are both internal and external. I believe the internal stakeholders to be the Army officers/church, employees and volunteers. I believe the external stakeholders

    asked by Linda
  31. chemistry

    In a lab, .0092 moles of Cu were reacted with .0046 miles of S. What would happen to the mole Cu/mole S ratio if some of the copper was unreacted (increase, decrease, stay the same)? Also, what will happen to the mole Cu/ Mole S ratio if unreacted sulfur

    asked by Coug
  32. math (geometry)

    what is the distance from the pitcher's box to second base if the distance from the pitcher's box to home plate is 18 meters and the distance between bases is 27 meters

    asked by princess
  33. Triginometry

    For which equasion does the sum of the roots equal 3/4 and the product of the roots equal -2? (a)4x^2-8x+3=0 (b)4x^2+8x+3=0 (c)4x^2-3x-8=0 (d)4x^2+3x-2=0

    asked by William
  34. Maths

    Please can you expand and simplify the following: (2x-5)(x+3) Many thanks. Happy New Year

    asked by Jane
  35. Statistics

    Kind attention Psydag: A random sample of size 20 from a normal population with sample mean 42 and sample standard deviation of 6 . To test the hypothesis the population mean 44 at 5% level of significance , find the p-value and comment Clarification: The

    asked by Mrs. Lakshmi
  36. Advanced Biology

    What is a monocot and a dicot plant? I have to do a project on my plant. It is a Spotted Chinese Evergreen. Thanks!

    asked by Jennifer
  37. music

    abrupt changes in dynamic levels are referred to as ----- dynamics?

    asked by gina
  38. Business Maths

    How do i calculate this proble and enter it in a journal entry: On January 1, the long-term liability section of a company’s balance sheet showed a balance of $20,000 in the bonds payable account. On December 31, the balance in the same account was

    asked by Peaches
  39. Trigonometry

    Solve from [0,2pi). cot^2(4x)tan(2x)-tan(2x)=0 How do you solve this (step-by-step)?

    asked by Anonymous
  40. Physics

    List the fossil fuels in order in which they will probably be used up.

    asked by Aly
  41. maths

    find the gradient of the tangent to the parabola y=4x-x^2 at (0,0) hence calculate the size of the angle between the line y=x and this tangent. (as i cant show you the diagram all that it shows is the line going through (0,0) and having one point of

    asked by mr maths
  42. Business

    How is the Salvation Army governed and staffed?

    asked by Linda
  43. Science

    D. _____ has wavelengths between 0.7 and 0.4 millionths of a meter. D1. What you see as different colors are electromagnetic waves of different ______. D2. Red ligh has the _____ wavelengths (lowest frequency); blue light has the _____ wavelengths (highest

    asked by Dillon
  44. chemistry

    i have difficulty in this question. any help would be much appreciated. 1)CO(g)+2H2(g)->CH3OH(g) at 225c, K is 10.2 liter^2/mol^2. what concentration of CH3OH(g)is in equilibrium with CO(g) at a concentration of 0.020 mol/liter and H2(g) at a concentration

    asked by cody
  45. Math

    A square has sides of 10 units. There is a diagonal that divides it into two triangles of an unknown value. What is the value of this line? The answer is 10 square root of 2, but I thought it would be ten (10^2+10^2=100, the sq. root of 100 is 10) Where

    asked by Satie
  46. Chemistry

    One difference between gases and liquids is that: (A) a gas may consist of both elements and compounds (B) a gas assumes the volume of its container (C) a gas is made up of molecules (D) all of the above are correct Is the correct answer, (B), a gas

    asked by Anonymous
  47. Algebra 1

    How do you solve the inequlaity 8{1-4x}>40?

    asked by Renee'
  48. math

    the Wireless Cafe charges 5.40 for 45 minutes of internet access. how much money does the Wireless Cafe charge per minutes?

    asked by india
  49. Science

    Is neon and oxygen written as neonide and oxide?

    asked by Shewolf
  50. grammar

    Is the grammar in the following sentence ok? For, surely, the paintings were created by people who were not so different than myself.

    asked by Helen
  51. acc/220

    Write a 350- to 700-word paper describing a balance sheet, an income statement, a retained earnings statement, and a statement of cash flows. How does a company use these financial statements to make future business decisions? Use and define the following

    asked by help
  52. math (geometry)

    find the perimeter of a 30-60-90 degree triangle whose shorter leg is 16 cm

    asked by sarah jane
  53. Triginometrry

    Solve an equation 8x^3+4x^2-18x-9=0 algebraically for all values of x.

    asked by William
  54. reimbursement system

    which type of medical service reimbursement is the least used today

    asked by lourdesanny
  55. College essays - Law

    Hi, I have three essay questions for my constitutional law class that have been stumping me for some time. 1) The Q: Justice Brown concluded in Plessy v. Ferguson that if "the enforced separation of the two races stamps the colored race with a badge of

    asked by John
  56. Physics

    I'm having trouble with this question. Some __ objects emit no visible light but are known through __ and radio images; satellite observations __ Earth's atmosphere help scientist study space at wavelengths that do not reach Earth's surface. If you can

    asked by Demi
  57. accounting

    I continue getting the wrong totals can you please help me solve this problem and give me the correct formula and Journal entries. On Jan 1 2004 Brown Airways purchased an airplane for 34,450,000. Brown airways expect the plane to remain useful for 6 years

    asked by Ronnie
  58. Accounting

    Assume that at the beginning of 2000, Quick Travel, a FedEx competitor purchased a used Boeing 737 aircraft at a cost of 60,000,000. Quick Travel expects the plane to remain useful for 5 years (5 million miles) and to have a residual value of 5,000,000.

    asked by Ronnie
  59. criminal justice 250

    Name the components of the overall security objective

    asked by jscott1
  60. Alberbra

    Please help with graphing a quadratic function. y=(x-1)^2 Got stuck at y=(x-1)(x-1) and p=1, q=1 Which doesn't work, because you can't fix a vertex with one point on a graph.

    asked by Kelly
  61. English

    Is the grammar right in this. It's bullet pointed in a resume. Should all those different words be capitalized or lower cassed? Oversee plant operation of Meat Dept, Pantry, Sauce Room, Bakery, Security, Shipping/Receiving and Sanitation

    asked by Candice
  62. Spelling

    I'm writing about a position as a sanitation advisor. Which way is the correct way is right. Advisor or Adviser I'm so confused

    asked by Molly
  63. Happy New Year to all

    Be sure to have enough blackeyed peas to guarantee a year full of good days.

    asked by GuruBlue
  64. ENGLISH GRADE 1

    make little words from the word pomegranate.

    asked by urooj
  65. math

    6x+y+9

    asked by marie
  66. History

    Can anybody help me find some primary sources on the typewriter?

    asked by Sammi
  67. math

    Nora had$12.75.She spent $4.95 onbaseball cards.How many does she have left?

    asked by aljelica
  68. math

    by what did felix count? how do you know?the numbers are 486,513,540,567,594.

    asked by aljelica
  69. world history

    how did the furtrade in th west bring various peoples together?

    asked by Anonymous
  70. maths

    if (x + 3)(x -2) = 1 show that x^2 + x -7 = 0

    asked by noelle
  71. Math

    (Both the 72 and 68 are subscript) 72 C 68 is: 1028790, 24690960, 12345480, or 514395?

    asked by Anna
  72. Science

    My little brother needs help on this worksheet. And I have no clue. 1. For waves that travel with the same speed, wavelengths increases as frequency ______. 2. Radiant energy decreases as _________ increases. B1b. The radio waves from the ________ antenna

    asked by Dillon
  73. probability

    A student has a choice of five different computers, three different monitors and seven different printers. How many different computer systems are possible? 15, 56, 105, or 128?

    asked by Anna
  74. 10th grade

    i need help understanding the book "we are all welcome here" by Elizabeth Berg. plz help will appreciate the help

    asked by Sana
  75. Probability

    How many different four-digit numbers can be formed using the digits 3,2,1, and 0? 9,18,24, or 36?

    asked by Anna
  76. Axia HIS-125

    Need axia SYLLABUS HIS-125 US HISTORY FROM 1865 TO 1945

    asked by Anonymous
  77. History/Lang Arts?

    Is there a word that describes how you express an idea? I am doing a project on the typewriter and I want the heading to be something like "The changing of..."

    asked by Sammi
  78. physics

    a guy walks one lap at 35 miles per hour, what is his velocity?

    asked by carol