Questions Asked on
November 26, 2007

  1. CHEM

    What are the expected bond angles in ICl4+ (or) ICl_4^+ ?? I think that I have the stucture drawn correcty: I is the central atom with one lone pair above it. I then have the Cl's with 6dots around them & then bonded, singly, to the "I". Two "Cl's" go

    asked by K
  2. CHEM

    Which statement best describes the polarity of SF_4Cl_2?? (or: SF4Cl2, if that helps more) 1. Always polar. 2. Always nonpolar. 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar. & how can you tell for certain??? I

    asked by K
  3. CHEM

    For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms? Enter the formal charges in the same order as the atoms are listed. For this question I tried entering: +1,-2,+3,-2 and it was wrong...as was:

    asked by K
  4. CHEM

    What is the hybridization of the central atom in COH2?? Would the correct response, out of the following: a) sp b) sp^2 c) sp^3 d) sp^3d e) sp^3d^2 "e"-> sp^3d^2??

    asked by K
  5. maths

    what fraction of 30p is 5p?

    asked by nishchay
  6. chem

    On Easter Sunday, April 23, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate. 2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H° for this reaction. kJ

    asked by mel
  7. chem

    One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996

    asked by mel
  8. Pre-Algebra please help me!!

    X- 0 1 2 3 4 5 6 Y- -7 -4 -1 2 5 8 11 this is a x and y table I need to find out wat the rule is to get y. So the equation would start out like: Y=?????? wat do u need to do with x to get y? and I need help badly! so please!

    asked by Ellen
  9. CHEM

    One other question that I am really not 100% sure on: how do I draw the electron-dot structure for: CHClO. I "think" that CHClO is a trigonal planar molecule, with the central atom being carbon. Is this correct?

    asked by K
  10. chem

    A balloon filled with 22.3 mol helium has a volume of 500. L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 38.0°C as it expands to a volume of 570. L, the pressure remaining constant. Calculate q, w, and E for the helium

    asked by mel
  11. chem

    A balloon filled with 22.3 mol helium has a volume of 500. L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 38.0°C as it expands to a volume of 570. L, the pressure remaining constant. Calculate q, w, and E for the helium

    asked by mel
  12. chem

    2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H° for this reaction. kJ

    asked by mel
  13. Calculus - Maths

    I got a few questions. Hope ya'll can help out. 1) for F(X) = 6x - 2x^2 Find the gradient of the chord joining the point where the X coorinates are 1 and (1+h) respectively. b) hence find the gradient at x=1 2) Find the Coordinates of the point on the

    asked by xxCeLoL
  14. chem

    The specific heat capacity of silver is 0.24 J/°C·g. (a) Calculate the energy required to raise the temperature of 140.0 g Ag from 273 K to 295 K. J (b) Calculate the energy required to raise the temperature of 1.0 mol Ag by 1.0°C (called the molar heat

    asked by mel
  15. math

    what is 13.12066116 rounded to the nearest hundredth

    asked by jAcKiE
  16. CHEM

    I kind of need some guidance with "PART C" below: A) The bond angles in CH4 are 109.5degrees, while the bond angles in NH3 are 107 degrees. Based on this information, which type of repulsion must be greater: BP-BP LP-BP ((((for this part I got: "LP-BP" as

    asked by K
  17. triginometry

    hi i tried solving this problem but i get the second part wrong? please help me. thanks you question: a) the maximum number of hours of sunlight is 15.3h, and occurs on June 21(day 172). The minimum number of hours of sunlight is 9.1h, and occurs on

    asked by steve
  18. English

    Compare and Contrast the main characters in the novel:"Lolita" by Vladimir Nabokov

    asked by Jamie-Lee
  19. algebra 1

    model each rule with a table of values and a graph.. f(x) = 1.5x -3

    asked by michael
  20. Geography

    Wha government imposed barriers stop or hinder the export of automobiles? Vehicles equipped with a high horsepower motor use more fuel then most motors. What does the federal government impose on these vehicles?

    asked by Alyssa
  21. physics

    A 50 kg skater pushed by a friend accelerates 5 m/sec. How much force did the friend apply?

    asked by Al
  22. social Studies

    The Eastern River Valley civilizations began along the ------- and Huang He [Yellow] Rivers.blank

    asked by Emily
  23. Maths

    the speed of light is 3 * 10^ 8m/s. Jupiter is 778 million km from the sun. Calculate the number of minutes it takes for sunlight to reach Jupiter ? A star is 300 lights away from Earth. If the speed of light is 3 * 10^5 km/s. calculate the disatance from

    asked by YOYO
  24. History

    Describe the delegates who attended the Constitutional Convention.

    asked by Autumn
  25. This just sounds wrong,.english sentence.

    Each person in the choir came from a different background and social class, but were all bound together by the music we practiced.

    asked by Student - HELP!
  26. the periodic table

    combine the chemical symbols for each of the following elements to spell words. carbon +argon =____.chlorine + oxygen +selenium=----+---- +----- =------ .i have 10 questions like these .please help me

    asked by cirssy
  27. Science

    Cloning Colly- A body cell was removed from sheep #1 and the nucleus and its DNA was removed from the body cell. An egg (gamete) was removed from sheep #4 and its nucleus from the egg was discarded. The nucleus and its DNA from sheep 1 is inserted into the

    asked by jAcKiE
  28. CHEM

    Which answer best describes an O_3/ozone molecule: 1. Each atom in ozone is connected to another atom by 1.5 bonds. 2.The double bond in ozone switches back and forth between the two outer oxygen atoms. 3.An ozone molecule contains one single bond and one

    asked by K
  29. CHEM

    kind of need some guidance with "PART C" below: A) The bond angles in CH4 are 109.5degrees, while the bond angles in NH3 are 107 degrees. Based on this information, which type of repulsion must be greater: BP-BP LP-BP ((((for this part I got: "LP-BP" as

    asked by K
  30. Ti-83 - Motion equation

    Hi I have spent ages trying to work out the way to program my TI-83 calculator to solve the following... I would appreciate guidance or direction to a site that can show me how to solve the following;- motion of two stage rocket is stated by it height y in

    asked by Leo
  31. math mesurment

    how do you mesurment inch half inch quarter inch andeighth inch

    asked by baljot
  32. calculus

    Use the given information to find the exact value of the expression: Find cos(2, q),csc q = q lies in quadrant II -7/25 24/25 7/25 -24/25

    asked by kelly
  33. Physics

    A car that weighs 14900.0 N is initially moving at a speed of 57.0 km/hr when the brakes are applied and the car is brought to a stop in 4.8 s. Find the magnitude of the force that stops the car, assuming it is constant. I found a using Vf=vi+at...a =

    asked by Lindsay
  34. integral confusion

    integral of Sec[2x]Tan[2x] i know u is sec 2x du=2sec2xtan2x dx what would i have to multiply with du so it would equal tan 2x dx? if my question is confusing, then here's another example of what i'm talking about: integral of (3x-2)^30 dx u=3x-2 du=3 dx

    asked by julie
  35. English grammar

    The bar graph below show the TV viewing habits of Koreans. What is the part of speech of 'below'? Is 'which is' omitted before 'below'?

    asked by John
  36. Chemistry

    What does the ozonolysis followed by hydrolysis of an unsymmetrical, unbranched alkene form?

    asked by Delli
  37. Chem

    Why does sodium in phenolphthalein change color?

    asked by Jenna
  38. social studies

    Okay i had the long cross word to do and now im down to like the last couple i need help 1. - - - - - - - - - - - - - also known as the "swamp fox" he used Guerilla, hit and run tactics against the brittish in the southern colonies. 2. - - - the Virginian

    asked by Preston
  39. algebra 1

    the cost in dollars of printing dollar bills when it costs 3.8cents to print a dollar bill

    asked by Michael
  40. Mathematics

    I don't understand one problem and if you have the time could you please check the other to that follow? 1. Jake was the winner of the mens bike race. He finished the race in 1 hour, 33 minutes, and 32 seconds. Lily had a time of 2 hours and 52 seconds.

    asked by Brielle
  41. Math

    Write 5 names for the number 23.

    asked by Peyton
  42. English Expressions

    1. What are the strong points of TV? It gives use pleasure, and it gives us information. 2. What is a strong point of TV? We can learn a lot watching TV. 3. What do you think is the strong point of TV? We can know latest news from TV. 4. What are strong

    asked by John
  43. science

    I am currently learning about respiratory system in anatomy and this question is not very clear to me: moves from blood to alveoli: _______ moves from alveoli to blood: ________ I am thinking it may be carbon dioxide and oxygen respectively, but I am not

    asked by Anonymous
  44. Physics

    A block of mass 7.5 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of 31.0 N at an angle 26.3° above the horizontal. What is the magnitude of the acceleration of the block? I have nooo clue what to do for this one. Can

    asked by Lindsay
  45. geometry constructions

    How do you construct a scalene triangle ABC where m

    asked by M
  46. math

    Consider yourself a genetic counselor. Megan and Eric come to you for your services. They are planning on having their first child. Megan’s father died from Huntington’s disease. Eric’s family has no history of Huntington’s disease. They would like

    asked by Olivia
  47. maths x

    heyy xx how do i sbtract fractions from each other eg. 7/9 - 1/2 please help xx

    asked by beth x
  48. physics

    what r the 4 forces on a plane whilst in flight?, im confused, i don't no whether it means like air resistance....or thrust.maybe u cud help me out :S

    asked by spider pig
  49. SCI 275

    i need help I am having trouble finding this info. Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Ground-level ozone (O3) Sulfuric acid (H2SO4)

    asked by dawn
  50. please check it

    For many people, the image that comes to mind when they hear, the word slavery is the Transatlantic Slave Trade. I thought of the buying and selling of people, their shipment from one continent to another and the abolition of the trade in the early 1800s.

    asked by stef
  51. Maths

    Write down the equation whose roots are: i) two more than ii) the square of iii) three times as much as the roots of the equation 4x^2-x+2=0

    asked by Claire
  52. French

    Quand allez-vous regarder la tele? I have all these time expressions. -tout a l'heure -dans une heure -ce soir .... Je vais regarder la tele tout a l'heure. Do i just put the time expressions at the end?

    asked by Miche
  53. Math

    you want to expand the garden by planting a border of flowers. the border will have the same width around the entire garden.the flowers you brought will fill an area of 276sq.ft. How wide should the border be? The inside is 24ft by 16ft but i need to find

    asked by Ronny
  54. SS

    Which of the following is elegible to run for the presidency: a 45 year old banker who was born and raised in Wyoming or a 30year old state legialator who was born in Virginia, lived abroas for 10 years then returned to Virginia? I think both of them are

    asked by BEN
  55. Math

    How do you do cross cancellation in fractions?

    asked by Jenny
  56. Math

    x^2/3 x = (x^2/3)^2/3 = (125)^2/3 x = 125^.6666 x = 24.9 4 - x/x-2 = -2/x-2 4(x-2)-(x-2)(x/x-2) = (-2/x-2)(x-2) 4x-8-2=2-2x 6x-10=2 6x=12 x=2

    asked by Alicia
  57. math

    what are the five names to write of 23

    asked by payton
  58. Essay Revision #6! GRADE ME!

    Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I

    asked by STUDENT
  59. Math

    Hello! I need assistance in solving for a side for a right triangle in trigonometry. Can anyone give me the easiest way/formula how to go about solving it? Thank you!

    asked by Jenny Lynn
  60. English Question #1

    a)Write about your academic interests and the personal or academic experiences that have led to or nurtured those interests. What did you enjoy learning about in high school either through your classes, extra curricular, leisure activities or your

    asked by STUDENT
  61. Java

    Can someone please help me out!!!I included what I have so far.. *Purpose: Say that you owe the credit card company $1000.00. The company charges you 1.5% per month on the unpaid balance. You have decided to stop using the card and to pay off the debt by

    asked by Railly
  62. TI 83 Graphing help !!!

    Hi I have spent ages trying to work out the way to program my TI-83 calculator to solve the following... I would appreciate guidance or direction to a site that can show me how to solve the following;- motion of two stage rocket is stated by it height y in

    asked by Leo
  63. history

    i don't get this quote. can someone please explain? who is they? "there is also the difference between merchants barely tolerated by a centralized empire and those whose rulers and governments used them for their imperial cause... they could, in terms of

    asked by bex
  64. History

    How did Jackson abuse the power of the presidency through the spoils system? Is there anything in the constitution that says he was doing something wrong?

    asked by sara
  65. math

    I need this by tomorrow morning I had $6 to pay for part of lunch. My friend had enough money to pay the other part or 3/5 of the bill. What is the total bill?

    asked by Nic
  66. Calc III

    Hello, Can somebody help me with the following two problems? 1. Find a value of a such that the vector makes an angle of 45 degrees with the vector or show that no such a exists. ---I started by using theta = arccos (u*v)/(absu*absv) must equal (sqrt2)/2

    asked by Em
  67. CHEM

    If NO3- has 3 resonance structures, but only one has to be written, where does the extra electron, making there then be 24 electrons, go if you cannot put brackets around the structure you are drawing? Do you put -1 on both of the singly bonded

    asked by K
  68. Math

    The figure shows an existing pipeline passing through two points. Plant WW is in existence at the point (4, 14). A new plant MM, is to be located on the Y-axis at a point such that the pipeline that will be constructed to connect Plant MM to the existing

    asked by Samaira Singh
  69. Essay $6! GRADE ME PLEASE!

    Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I

    asked by STUDENT
  70. geography

    The largest island in the world, located near Canada, is called? Thanks!

    asked by roy
  71. geography

    To which continent does Israel belong? Thanks!

    asked by roy
  72. Social Studies - - Gandhi

    So, I'm supposed to describe the Salt March, and the Salt Works. I know that one is when Gandhi led a march to the ocean, to protest tax on salt, by evaporating salt water and making their own. The other was when Gandhi's followers lined up and allowed

    asked by Eve
  73. Chem Urgency

    Is it possible to determine resonance structures.....or no? I understand what it is but I am not sure how the drawings come about or even how to recognize them.

    asked by Sami
  74. vocab.

    Words to Know affliction cowering fetter gorge infamous lament livid loathsome murky pilgrimage purge relish talon taut writhing 1. The lake's reflection usually creates a glare, but now the surface is _________. murky 2. Sad sounds of his ______ show how

    asked by anonymous
  75. algerbra

    find the constant of variation for each direct variation. 10y=13x and f(x)=4.5x and x+y=0

    asked by dan
  76. Business

    Does anyone know where I can find the profits/revenue of each brand under GM. I look at the GM site, but it gave me finanical statement of overall revenue of its company. What I need is the profit for like Buick, Saturn, Pontiac...seperatly.

    asked by C
  77. math

    lcm is hard for me can you give all the anwers to my homework please

    asked by alejandra
  78. math

    what is the greatest number of times you would regroup when multiplying a three digit factor by a two digit factor. give an example.

    asked by linda
  79. science

    what are three of the populations in an ecosystem near you

    asked by joe
  80. math

    you have five bales of hay. for some reason,instead of being weighed individually, they were weighed in all possible combinations of two:bales 1 and 2, bales 1 and 3,bales 1 and 4, bales 1 and 5, bales 2 and 3, bales 2 and 4, and so on. The weights of each

    asked by emmy
  81. History

    I don`t know the answer to this question. How did common criminals serve the NAZI Third Reich? I looked everywhere. I can`t find an answer. =[

    asked by Sammie
  82. history

    who invented the drainage of south florida?

    asked by nicole
  83. Business

    Why would there be a difference between the price that gives maximum revenue and the price that gives maximum profit?

    asked by Jen
  84. history

    who controls the flow of fresh water in miami dade county?

    asked by nicole
  85. history

    what is the name of a group of people captured and taken to babylon by the chaldeans?

    asked by sam
  86. history

    what is the assria ?

    asked by sam
  87. Crossword Question

    this Canadian Act suspends the individual rights of her citizens. what is it???

    asked by Greg
  88. Trigonometry

    Which Triangle has 2 solutions? a. A=130 degrees, a=19, b=11 b. A=45 degrees, a= 4(sqrt 2) b=8 c. A=32 degrees, a=16, b= 21 d. A=90 degrees, a=25, b=15 I really don't know how to do this one so I can't put what my answer is.

    asked by Chels
  89. poem

    can someone write a short poem about discovering the fact that you are a monkey and not wanting to admit it? (Its not Hmwk.. just to put in my friends bday card) Thanks so much!

    asked by Anonymous
  90. science

    What moves and picks up rocks and is one slow change to the earth?

    asked by isabella
  91. Literature

    I need help how Edwards answered the following questions in "Sinners in the Hands of an Angry God." 1. Is it enough to lead a good and decent life? Why? 2. Is it enough to believe in God? Why? 3. What role does having a good physical constitution play in

    asked by Beth
  92. Chemistry help

    I need help, I don't know how to do these. Single Displacement Fe+S yeilds ___ Mg+O2 yeilds___ Cu+O2 yeilds___ CaO+H2O yeilds___ Decomposition HgO yeilds___ NaHCO3 yeilds___ CuSO4+5H2Oyeilds___ Single Displacement Zn+HCl yeilds___ Zn+CuSO4 yeilds___

    asked by Rai
  93. Essay help needed please

    Can some one check it Choose apiece of literature you have read and describe how it has affected you. For many people, the image that comes to mind when they hear, the word slavery is the Transatlantic Slave Trade. We think of the buying and selling of

    asked by Dan
  94. French

    Le futur proche. Are these correct? -They are going to see the film. Ils vont regarder le film. -She is going to leave for work. Elle va partir le travail. -They are going to play sport. Ils vont faire le sport. -You are going to listen to music. Tu vas

    asked by Miche
  95. Algebra please help!

    How do you know if a graph will grow or decay?

    asked by Josue
  96. SCI 275

    What are some key ways we can eliminate air pollution

    asked by dawn
  97. religion

    What ethic of interpretation is imposed on us by the fact that monstrous ritual is fantasy?

    asked by riley
  98. family studies

    what are four reasons why anger is less frequent at the preschool age.

    asked by rachell
  99. religion

    Since the imagination of evil encourages us to do real evil, how should we react to accounts from the media or elsewhere about monstrous evil in our neighborhood or elsewhere in the world?

    asked by riley
  100. WORLD RELIGION

    What god, if any, do Buddhists worship?

    asked by JAMES
  101. math

    can you factor this 4x squared + 80x -276=0

    asked by Ronny
  102. another sentence i need to fix.

    i want this to sound smooth At first I didn’t believe that I could relate to my classmates in any way; we were all unique in terms of backgrounds and social classes.

    asked by Student - HELP!
  103. math

    how do you factor a to the 7th + b the the 7th?

    asked by chelsay
  104. science

    What is the percenteges of state sandy loam (Sta)?

    asked by AKA Panda
  105. Science

    Define environmental sustainability. Then, list three behaviors that threaten environmental sustainability. How could you change those behaviors to reduce threats to environmental sustainability?

    asked by Danny
  106. math

    i need help factoring this 4x squared + 80x - 276 = 0 i think i have to divide by 4 or something but i cnat get it some1 please help me

    asked by Ronny
  107. History

    I have a quick question. It's about the Holocaust.What kind of people in Germany would support the Holocaust and why? It was so horrible yet Germany still got away with it.

    asked by Lena
  108. algerbra

    find the range of each function when the domain is {-3,-1.5,0,1,4} r=4t^2+5

    asked by mike
  109. help with citations!

    can someone tell me how to cite a source like this: Asthma and sinusitis solutions have been recognized in the years past by the medical community [1] **But the bracketed 1 ([1]) is a superscript on community.** What is that citation called? and where can

    asked by abby
  110. Physics (batteries)

    Question: After five minutes of use, a 1Ah capacity battery has lost 0.5Ah of capacity. Calculate the average current draw over the five minute period. Believe it or not, I haven't actually been set this question as homework. I am merely curious and

    asked by JohnH
  111. Math

    Ok, I have this problem that I'm really stuck on: This is it: Find each unit rate: 20 mi in 5 h. Please help I need this by tomorrow!

    asked by Hannah
  112. Early Child Ed.

    Would you please help with this question? (These questions that asks which is "NOT" really confuse me)!! Which one of the following is usually an effective way to stop disruptive behavior that is NOT harmful to the child or others? A) Remove the child from

    asked by Ms.Sue-- I need your help again!!
  113. Social studies

    What tool did the ancient China people use to try to communicate with the dead?

    asked by Emily
  114. CHEM (DrBob222)

    I had posted the question to that previous chem question, regarding Mo & V...they said that it should have been correct. What I am thinking that I was missing...must have been that I did not include 4s & then just not fill it. I had excluded it from my

    asked by K
  115. Word Scramble

    The letters are B A T E R Y. I have been trying to unscramble them all day.

    asked by Amanda
  116. general

    what are few reasons make the composers 's life so hard?

    asked by Anonymous
  117. college essay help me

    can someone check my essay now thanks Choose apiece of literature you have read and describe how it has affected you. For many people, the image that comes to mind when they hear, the word slavery is the Transatlantic Slave Trade. We think of the buying

    asked by dan
  118. forensic medicine

    What is vagal inhibition?

    asked by pathmasiri
  119. english essay help

    hi,in my english class, we had to read an article about a girl who attended stanford. she went for an interview and had trouble filling out the forms. she thinks that colleges don't offer classes that help kids in real life situations. for example, she

    asked by julie
  120. Public Administration / GOVT

    This may seem like an easy question, but I am torn between two answers and would like some help. I am inclined to go with D. as my answer, but also feel like A. might also be correct. The greatsest number of elected officials responsible for the machinery

    asked by Keith
  121. Physics

    i cant get this right. what is the measured resistance of a 1000ohm, 500ohm and a 100 ohm resistor. and there % error

    asked by Will
  122. science project

    what fibers absorb the most fluid?diaper,chamois,cotton,wool,silk,rayon

    asked by Larre'
  123. health

    How many grams of fiber does a carb need to have to be considered complex? thanks

    asked by Mia
  124. history

    who built the levee's for the okeechobee lake?

    asked by nicole
  125. Math Calculus

    Help! I really do not understand solving functions and derivatines with the Mean Value Theorum. Can anyone help explain it? (my textbook is not helping at all!)

    asked by Fabian
  126. spanish

    word of hat but it is not sombero

    asked by glena
  127. Early child ed.

    If you would you not mind,please check my answers to these questions. 1. The two problem solving tools of demonstration and verbalization are used in which teaching method? A) Direct B) Command C) Task-oriented D) Guided discovery 2. Which one of the

    asked by Ms.Sue-- this is for you