Anya

Popular questions and responses by Anya
  1. Chemistry

    determine the pH of a 0.116 M Ba(OH)2 solution at 25 degrees C. i keep getting 13.06 for this answer, but the answer is 13.37 :S what i do is i take the negative log of the concentration which is 0.9355 which is pOH. i know that pH = 14 - pOH so i get pH =

    asked on December 13, 2012
  2. chemistry - exam practice help!!

    Given the table below predict the numerical value of the standard cell potential for the reaction: 2 Cr(s) + 3 Cu2+(aq) 2 Cr3+(aq) + 3 Cu(s) Half Reaction E (volts) (1) Cr3+ + 3 e- Cr E= -0.74 (2) Cr3+ + e- Cr2+ E=-0.41 (3) Cr2O72- + 14 H+ + 6 e- 2 Cr3+ +

    asked on December 13, 2012
  3. FOCUS

    Do you know a website that helps you with mind-benders?

    asked on December 18, 2008
  4. Calculus

    Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) lim t^2-64/2t^2+17t+8 t→−8 Please show steps!

    asked on September 8, 2018
  5. Math

    Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s

    asked on March 6, 2013
  6. chemistry - exam practice help!!

    i'm not exactly sure how to do this question :/ i don't even know where to start. "Determine the equilibrium [F-] of the following solution with initial concentrations od [HF]= 1.296 M and [NaF] = 1,045 M (ka for HF is 6.6 * 10 ^ -4) options are a) 1.046

    asked on December 12, 2012
  7. physics- TEST TMRW PLS HELP!

    Why is the following situation impossible? A librarian lifts a book from the ground to a high shelf, doing 20.0 J of work in the lifting process. As he turns his back, the book falls off the shelf back to the ground. The gravitational force from the Earth

    asked on December 9, 2012
  8. Math

    What is 179 divided by 8 in 4th grade term? Also I have to do it in long division so I need help with that to!! Thx bye

    asked on November 9, 2016
  9. History- check my essay!

    Can someone tell me what they think of what I wrote? Here is the question and my answer: (This homework question was removed due to a copyright claim submitted by K12 Inc.) Answer: Winston Churchill, a strong leader who told it like it was. He was a true

    asked on January 22, 2011
  10. math

    What is the median? 2,2,2,2,2,2,3,3,3,3,3,4,4,4 I think it's 3.

    asked on September 28, 2009
  11. Chemistry

    Given the following chemical reaction what is the bond enthalpy of OH 4NH3 3O2 yields 2N2 6H20 Change H 1266 kJ NH equals 389 O O equals 498 and N N equals 941 3

    asked on March 6, 2013
  12. chemistry - exam practice help!!

    For the cell shown below, which will increase the cell voltage the most? Fe2+ | Fe3+ || Cu2+ | Cu A) Halve[Cu2+] B) Double[Cu2+] C) Double[Fe2+] D) Halve[Fe2+] E) Cut Cu electrode in half ... Ecell = E0 cell + 0.059/n * log([Cu+]/[Fe2+]) Ecell is directly

    asked on December 13, 2012
  13. Chemistry

    How do “chemical” salts form? Thank you in advance.

    asked on September 9, 2012
  14. math

    i am wonder how to do divsion

    asked on April 15, 2011
  15. Science

    Does anyone know where to find facts about iced tea powder? ex. who made it, where did it come from, anything!

    asked on September 26, 2010
  16. social studies

    What are all the landforms shared by the US and Caada? I have the Rocky Mountains and the Great Plains. Are those all of them?

    asked on November 23, 2009
  17. social studies

    What were the 5 scientific discoveries of the Industrial Revolution? I already hae the steam engine and a boat powered by the steam engine.

    asked on September 28, 2009
  18. math

    There are 6 tight ends in the Hall of Fame. How many different combinations of 2 of those players could possibly be selected for an all-time team? What is the probability that a random selection of 2 tigh ends would be the same 2 chosen for the team?

    asked on September 28, 2009
  19. math

    There are 6 tight ends in the Hall of Fame. How many different combinations of 2 of those players could possibly be selected for an all-time team? What is the probability that a random selection of 2 tigh ends would be the same 2 chosen for te team?

    asked on September 28, 2009
  20. Math

    Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s

    asked on March 6, 2013
  21. Science

    A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work

    asked on March 6, 2013
  22. Chemistry

    Is this done right? White phosphorous, P4, spontaneously bursts into flame in Oxygen gas. if 6.5 g of white phosphorous reacts completely with oxygen to form 11.54g of a phosphorous oxide, what is the empirical formula of this oxide? this is what i did:

    asked on December 13, 2012
  23. physics- please explain

    Why is the following situation impossible? A librarian lifts a book from the ground to a high shelf, doing 20.0 J of work in the lifting process. As he turns his back, the book falls off the shelf back to the ground. The gravitational force from the Earth

    asked on December 8, 2012
  24. Chemistry

    What are three common types of products produced by reactions that occur in aqueous solutions? (out of the following) -gases -water -electrons -precipitates -acids -ions -bases

    asked on October 7, 2012
  25. Chemistry

    What does the reaction of alkaline earth metals with water tell you? Thanks in advance.

    asked on September 9, 2012
  26. Chemistry

    When hydrogen reacts with a metal, does it form a cation or an anion?

    asked on September 9, 2012
  27. calculus

    Boat A leaves the dock at 12pm heading due South at a constant speed of 20 km/h. Meanwhile, at 12pm Boat B, a pirate ship, is 15 km due West of the dock where boat A started, and is sailing due East at a constant speed of 15 km/h. If the pirates get within

    asked on November 10, 2010
  28. physics

    If you walk at 1 m/s down the aisle of a bus that is moving at 10 m/s along the road, how fast are you moving relative to the road when you walk toward the front of the bus? Toward the rear of the bus?

    asked on November 5, 2010
  29. Language Arts

    What are the other forms of the word, 'reap'. I only found reaps and reaped.

    asked on March 20, 2010
  30. Science

    Which of the following contain water that is easily available for human use? (more than one answer) Icecaps & glaciers - 76% of fresh water Shallow Groundwater- 12% of fresh water Deep Groundwater - 11% of fresh water Lakes & Rivers - 0.34% of fresh water

    asked on January 14, 2010
  31. psychology

    In social psychology, attributional processes refer to: deciding whether behavior is due to the person or the situation. spreading responsibility among a group of people. following the command of an authority figure. choosing sides during a competition or

    asked on December 20, 2009
  32. FOCUS

    We need to find out what my family's 'coat of arms' is. Could you tell me a website for me to find it?

    asked on February 5, 2009
  33. grammar

    What does prejude mean?

    asked on February 3, 2009
  34. Physics

    The lowest temperature ever recorded in Alaska is-6 C. The highest temperature ever recorded in Alaska is 38°C. Suppose a piece of metal with a mass of 180 g and a temperature of -62.0°C is placed in a calorimeter containing 0.500 kg of water with a

    asked on February 13, 2020
  35. math

    my mom's class is taking a field trip to the science museum there are 23 students in class and a students admission tickets is 8 how much will the students tickets costs

    asked on September 9, 2019
  36. math

    amy wants to travel from elmtown to lakeside at an average speed of 50 miles/hour. she travels half the distance and discovers that her average speed has been only 25 miles/hour. how fast must she drive for the remaining part of the trip if she is to

    asked on May 28, 2019
  37. Math

    11.4m of rope he want to divide it into equal pieces how many peace will there be 1.4 m long

    asked on October 23, 2017
  38. Physical Science Please Check Answers?

    I have difficulties understanding physical science and I'd really appreciate it if someone would check over the answers of my practice quiz. I have a test coming up and I really don't want to fail it. I marked my answers with a ******. Thank you in

    asked on June 19, 2016
  39. Physics

    1 g/cm^3 = _________ kg/m^3 I tried converting g to kg and then cm to m, and then dividing. I get the answer 1x10^(-1). When I type in this problem on the internet, many sources say it is 1000. I am very confused as to how this answer was reached.

    asked on July 13, 2014
  40. physics

    A particle starts from the origin with a velocity of 6.0 i m/s and moves in the xy plane with a constant acceleration of (-2.0i + 4.0j)m/s^2 . at he instant the particle achieves maximum positive x-coordinate, how far is it from the origin?

    asked on December 9, 2012
  41. physics- TEST TMRW PLS HELP!

    how would i do this? -----------------A-----------B-------- Illl a carpenter carries a 6kg board . the downward force he feels on his shoulder (A) is .... ? (B is where his hand is) pls help!! i have so much difficulty with these questions!!!

    asked on December 9, 2012
  42. physics- TEST TMRW PLS HELP!

    w w w . m e d i a . c h e g g c d n . c o m / m e d i a / a c 3 / a c 3 b b 1 e 1 - 5 b a 8 - 4 1 9 e - 9 a 8 4 -a d 5 0 e 4 6 a 2 9 4 e / p h p s U O o L 3 .p n g (delete all spaces for link to work) Determine the magnitude of the resultant moment

    asked on December 9, 2012
  43. physics

    pls explain this to me ? "momentum is inertia....but inertia is NOT momentum" :S confused

    asked on December 9, 2012
  44. Chemistry

    Why is the formula for sodium nitrate NaNO3?

    asked on September 22, 2012
  45. Chemistry

    Why is the use of tin limited?

    asked on September 9, 2012
  46. 8th Grade Science

    A runner whose initial speed is 29 km/hr increases her speed to 31 km/hr in order to win a race. If the runner takes 0.5 seconds to complete this increase in speed, what is her acceleration? I think it's either 1440 km/hr/hr or 0.4 km/hr/sec. Are you

    asked on January 10, 2012
  47. physics

    a golf ball is hit off a tee witha speed of 50m/s at an angle of 37 degrees above the horizontal. At what two values of x (horizontal distance from the tee) will the ball be 25m above the ground?

    asked on February 18, 2011
  48. physics

    a golf ball is hit off a tee witha speed of 50m/s at an angle of 37 degrees above the horizontal. At what two values of x (horizontal distance from the tee) will the ball be 25m above the ground?

    asked on February 18, 2011
  49. social studies

    What would be the dangers of working in a factory like the Highland Park Plant in Henry Ford's time?

    asked on February 10, 2011
  50. HISTORY

    I believe that the boundaries I created for nations of the Middle East would be a force for cooperation rather than conflict because...

    asked on January 23, 2011
  51. Calculus

    Express the limit as a definite integral on the given integral, [5pi,3pi]. limit notation: cos(xi)/xi

    asked on November 23, 2010
  52. Language Arts

    Are these real words? surfeitly surfeitness surfeitous

    asked on November 14, 2010
  53. Language Arts

    I have to do some research of the poor in the Victorian Era. These are some things that I have to look for: 1. What kinds of programs were in existence to help the poor? 2. What was a poorhouse? 3. What was Debtor's prison? 4. Why were the poor, poor? Are

    asked on November 7, 2010
  54. Science

    Are there any interesting facts on estuaries?

    asked on September 25, 2010
  55. math

    At the Whistlestop Cafe, 15 of the 19 patrons are mechanics. If a sample of 8 is taken, what is the probability that exactly 5 patrons are mechanics? Round your answer to 4 decimal places.

    asked on June 3, 2010
  56. math

    At the Whistlestop Cafe, 15 of the 19 patrons are mechanics. If a sample of 8 is taken, what is the probability that exactly 5 patrons are mechanics? Round your answer to 4 decimal places.

    asked on June 3, 2010
  57. Social Studies cont.

    Explain a very negative outcome of these explorations.

    asked on April 15, 2010
  58. Social Studies

    Prince Henry had a school for sailors and for the advancement of navigation. Where did he send ships?

    asked on April 15, 2010
  59. Language Arts

    Is obscured a verb, adjective, or both?

    asked on March 21, 2010
  60. Language Arts

    What is the pronunciation of unsavory?

    asked on January 9, 2010
  61. Language Arts

    Does anyone know a website that tells you other forms of a word? Ex. run - ran, running

    asked on January 9, 2010
  62. Social Studies

    What is the definition of cowhead? I can't find it anywhere! (this word is in my social studies text book)

    asked on January 6, 2010
  63. art

    why do you have so many math questions.

    asked on December 1, 2009
  64. social studies

    Who is Canada's largest trading partner in the Wester Hemisphere? I think it's the US.

    asked on November 23, 2009
  65. math

    Prove the validity of cross products by example/words. (Why does it work as a strategy?) Is this right?: One way to find out whether ratios are equal, is to find a common denominator. Ratios are equal if their numerator and denominator are equal. It is a

    asked on November 16, 2009
  66. math

    My math teacher gave me this problem: Prove the validity of cross products by example/words. (Why does it work as a strategy?) What is validity???

    asked on November 16, 2009
  67. Language Arts

    What are the definitions for rudimentarily and rudimentariness?

    asked on October 31, 2009
  68. Language Arts

    What is a good website where I can find the pronunciation of stratified?

    asked on October 31, 2009
  69. Math

    I have to factor this equation, which is a perfect square: 2p^2+4p+1 How do I do this?

    asked on October 29, 2009
  70. social studies

    What are two more names for a market economy? I only have free enterprise.

    asked on October 28, 2009
  71. social studies

    What is an economic barrier? I don't know how to explain this. All I know is that 3 examples are: embargo, tariff, and quota.

    asked on October 22, 2009
  72. social studies

    Put each word into a meaningful sentence. Tariff, quota, supply, demand, currency, entrepreneur, human capita, capital goods, gross domestic product. Thank you1 :)

    asked on October 13, 2009
  73. math

    What is a good word problem for the following expression? 3(m+4)

    asked on October 13, 2009
  74. Language Arts

    Simile, Idiom , or Both? He is sweatng like a pig

    asked on October 4, 2009
  75. social studies

    What is Nazism and how was it able to gain popularity in Germany after WWI?

    asked on October 4, 2009
  76. Language Arts

    Does anyone know a website where I can find the setting, characters (and so on) in a book called Cam's Quest?

    asked on September 27, 2009
  77. Language Arts

    Does anyone know a website where I can find the setting, characters (and so on) in a book called Cam's Quest?

    asked on September 27, 2009
  78. social studies

    Can anyone show me a website that shows the Portuguese, Spansh, English, French and Dutch empires in the 1800s?

    asked on September 15, 2009
  79. social studies

    List the people from most powerful to least: Kings, serfs, tenants, vassals I chose: kings, vassals, tenants, and then serfs.

    asked on September 9, 2009
  80. Math

    Find the largest angle for which sine and tangent agree to within two significant figures. Express your answer using two significant figures. Answer in radians ?_?

    asked on September 1, 2009
  81. vocabulary

    Does this sentence make sense? "She was so happy and grateful that I felt more than recompense for all that I had tried to do to help her."

    asked on August 22, 2009
  82. plants

    Could someone give me a website on how to cure poison oak, fast?!

    asked on July 16, 2009
  83. social studies

    What are some names of Polish construction workers?

    asked on May 28, 2009
  84. 5th Grade Writing

    I need to write 3 paragraphs, 5 sentences each (at least on how stone is useful. Could anyone give me some topics?

    asked on May 13, 2009
  85. science

    Fish- Amphibian- Mammal- Magma- Lava- Earthquake- Tectonic Plates- Ring of Fire- Tsunami- Tide- Could you please give me the definitions in science terms?

    asked on May 10, 2009
  86. 5th grade reading

    2 adjectives of each main character in The Secret Garden, please.

    asked on April 30, 2009
  87. spelling

    Could some one give me a website or 5 words that are compound and have 'ack'?

    asked on April 27, 2009
  88. poetry

    Could you please give me a website with a rhyming dictionary?

    asked on April 21, 2009
  89. 5th Grade Recognition

    We're having our 5th grade recognition soon and we had to write a poem for our program. Our thyme is 'Soaring to New Heights.' I have written a poem and I was hoping for some editing from you. Here is the poem: We're tiny eggs lying inside our nest where

    asked on April 21, 2009
  90. social studies

    Which state did Rosa Parks refuse to give up her seat

    asked on April 19, 2009
  91. spelling

    I need at least 25 words that end in less. any help is appreciated!

    asked on March 31, 2009
  92. spelling

    Fill in the blanks with nouns: adm_r_l , sq_ _rr_l , _l_v_t_r

    asked on March 30, 2009
  93. spelling

    Could someone give me a list or website with irregular verbs? Thanks!

    asked on March 25, 2009
  94. spelling

    Write at least 8 words that start with gu and the u is silent. Any help is appreciated!

    asked on March 16, 2009
  95. reading

    I have a 'movie' book report and I need some peopie to play parts for Huckleberry Finn. Could you give me a website to find some alive, famous people? (do not need to be actors)

    asked on February 14, 2009
  96. current event

    Could you give me some websites to find some interesting and appropriate current events (I already have a website called time for kids)

    asked on February 10, 2009
  97. writing

    My teacher will ask us every day how we're doing. We have to say a synonym for good. I have a couple but I think I need more. There are 25 students in my class, so if some people take some of my words I have back-up ones.

    asked on February 9, 2009
  98. science

    I'm sorry but I have two question that haven't been answered yet.

    asked on February 3, 2009
  99. science

    I don't uderstand this: Acetone freezes at 95.35' below 0'C and boils at 56.2'C. At 42'C what state of matter will acetone be? At 84'C?

    asked on February 3, 2009
  100. spelling

    10 words in which y is changed to i before adding a suffix that begins with a vowel. Thanks.

    asked on February 3, 2009

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