1. Thermodynamics

    What temperature change in Celsius degrees is produced when 800.00 calories are absorbed by 120.0 grams of water?

    asked by Cherry on May 10, 2017
  2. geography

    how do you think the existance of nearly 3000 ethnic groups and 800 languages affects life in countries south of the sahara

    asked by chris on May 2, 2011
  3. Chemistry

    The reaction: 2 HI==> H2 + I2, is second order and the rate constant at 800 K is 9.70 x 10-2 M-1 s-1. How long will it take for 8.00 x 10-2 mol/L of HI to decrease to one-fourth of its initial concentration?

    asked by Sleepy on March 3, 2010
  4. physics

    i need help with this one! A 100KHz oscillator that's followed by a doubler and two triplers will produce an output of frequency.... a.) 180 kHz b.) 500 " c.) 800 " d.) 1.8 "

    asked by jeff on August 29, 2007
  5. math

    Raymond bought a used truck for $18,800. If the sales tax in his state is 7 percent, what was the final price for his car?

    asked by Lenord on July 22, 2015
  6. math

    a girl walks 800 m on a bearing of 129 degrees.calculate how far east and south she is from her starting point.

    asked by joseph on May 16, 2016
  7. chemistry

    how many grans of Ca(OH) are needed to prepare 800.0 ml solution of 0.15M concentration? molar mass of Ca(OH) is 74g/mole

    asked by faye on November 26, 2010
  8. Math

    Spoouse you see a car an advertise price of $25,800 at $590.40 per month for 5 years. what is the amount of interest paid?

    asked by Linda on May 25, 2012
  9. Chemistry I HN

    If 720.0 grams of steam at 400.0 degrees Celsius absorbs 800.0 kJ of energy, what will be its increase in temperature?

    asked by Cary on January 1, 2013
  10. MATHS

    C(x)= 600x + (180000/x) + 800 calculate the instantaneous rate of change of the income when 100 units are sold?

    asked by Folomanu on September 8, 2016
  11. physics

    An object of mass m is hanging by a string from the roof of an elevator. We want to compare the tension in the string due to the weight of the object under various conditions. Which statements are true? Choices: True, False. A. If the elevator is moving

    asked by Sandhya on December 10, 2008
  12. Technology & Society

    The study of ecology focuses specifically on: A. the world that is all around us. B. the world of living things in our planet. C. the mutual relationship between organisms and the natural world. D. anything having to do with life.

    asked by Tonya on December 23, 2015
  13. math

    with the world population just over 7,000,000,000 people, prove that in less than a month one vampire could have the ability to infect the entire planet if they bit only two each day

    asked by dondon on November 6, 2015
  14. math

    According to Richard Graham in "SR-71 Revealed: The Inside Story", the Lockheed SR-71 Reconnaissance plane accelerates from a standing start to a speed of Mach 3 (3 times the speed of sound) "in about 14 minutes". (During that time it also climbs to an

    asked by Anonymous on February 3, 2011
  15. physics

    A car initially traveling at 26 m/s hits the brakes, generating a constant acceleration of -2 m/s2. Under this acceleration, the car comes to a rest. If the tires have radii of 0.33 m, how many revolutions does each tire make as the car slows down and

    asked by Jessica on July 12, 2012
  16. Physics

    A jet plane is cruising at 225.0m/s when suddenly the pilot turns the engines up to full throttle. After travelling 2.26km, the jet is moving with a speed of 392.0m/s. What is the jet's acceleration, assuming it to be a constant acceleration?

    asked by Sarah on September 29, 2012
  17. Physical Science

    Do liquids have momentum? Does the shape of an object affect the rate at which it will fall? Do thicker substances protect objects better than thin substances? Do liquids have momentum? yes Does the shape of an object affect the rate at which it will fall?

    asked by Tom on November 17, 2006
  18. Literature

    how would you describe the three brothers in Legend of the fall their unbreakable bond

    asked by Mary on April 13, 2010
  19. Humanities

    Are there any parallels between the rise and fall of the Roman Empire and the U.S.A today?

    asked by Jessica on February 12, 2008
  20. Trig

    In which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3?

    asked by Sue on April 13, 2017
  21. math

    simplify -cd^-4e^-1 please specify parentheses or at least separate them so i know which groups fall under which exponents.

    asked by jim on October 11, 2006
  22. math

    what is the answer to What Do You Get if a Bunch of Bad Guys Fall in the Ocean?

    asked by jeremy on April 25, 2011
  23. science

    How fast must a fall be thrown upward to reach a height of 12 m?

    asked by sara on July 6, 2012
  24. 11th grade math

    Using the formula 4.9t^2... A object is dropped how long will it take it to fall 92 meters

    asked by ALI on December 16, 2010
  25. Physics

    Why are electrons allowed to fall on a crystal plate for diffraction ?

    asked by Minhye on February 2, 2016
  26. government

    What was a major consequence of the decline and fall of the Roman Empire

    asked by Anonymous on June 6, 2012
  27. Communications Theory

    Which of the larger 7 traditions of communication does Gerbner's work fall into?

    asked by Robert on June 21, 2009
  28. Social Studies

    how did sugar and slavery contribute to both the rise and fall of mercantilism?

    asked by Joshua on July 28, 2009
  29. physics

    why do you fall forward when a moving bus decelerates to a stop ?

    asked by amgad on October 7, 2017
  30. Social Studies

    What was the role of slavery in the rise and fall of the American Nation?

    asked by Ryan on October 31, 2012
  31. physics

    A stone is dropped from a height of 4.5m.What will be the distance travelled by it during the last second of its fall?

    asked by dona on July 17, 2015
  32. Science

    In order to fall closer to the nucleus an electron must have ________

    asked by Tara on June 28, 2008
  33. Humatn Resource

    Does "Pay for performance" fall under the category of "Compensation and Benefits"?

    asked by Blair on October 13, 2008
  34. Books: "Return to Laughter" and "Things Fall Apart

    What are some differences between the book "Return to Laughter" and "Things Fall Apart?"

    asked by Ashley on March 14, 2008
  35. english

    I want an essay on United we stand,divided we fall along with some quotes used in it

    asked by Honey on December 6, 2013
  36. World History

    What events contributed to the rise and fall of the Egyptian Empire?

    asked by Anonymous on September 28, 2017
  37. History

    name the three main barbarina tribes that contributed to the fall of rome?

    asked by Keria on January 8, 2012
  38. social studies

    Why did many early Virginia cities develope along the Fall Line?

    asked by dean on September 27, 2007
  39. social studies

    What patterns do you see in the rise and the fall of many civilization in the Fertile Crescent?

    asked by Sandy on October 9, 2013
  40. english

    I need to find a strong verb for these weak verbs: slowly sat down laughed hard

    asked by Nat on February 4, 2009
  41. Chemistry

    The S^2- ion is a relatively strong base with an equilibrium constant of 7.7x10^-1. What is the Ka value for HS- ? I got the equation HS^- H^+ + S^-2. Am I able to find [S^-2] with the Keq?

    asked by sh on May 4, 2010
  42. Business

    How could an opponent in bargaining overcome what appears to be a strong commitment to an issue by its opposite member?

    asked by Duane on July 6, 2015
  43. english102

    i need help writing a secondary argumentative research paper ,i need a really strong thesis.what about one for poverty and education

    asked by pam on February 3, 2013
  44. Chemistry

    Do strong and weak acids require equal numbers of drops of NaOH to neutralize? I THINK not....but i am not entirely sure......

    asked by Alexa on May 5, 2010
  45. chemistry

    how do two weak conductors like glacial acetic acid and ammonia form a strong conductor?

    asked by Ashley on January 14, 2009
  46. algebra

    Find the vertex and the axis of symmetry, and graph the function. f(x) = x^2 - 5x Graphing is not my strong point, I really need help with this. Thanks

    asked by slomomo on February 4, 2015
  47. L.A.Help!!!!!!

    Which word is most opposite in meaning to tenacious? A. strong B. plentiful C. weak D. scarce Is the answer C?

    asked by happy on November 13, 2014
  48. science

    a pair of plants has the distance between them decreased by a factor of 5-how do i show that the force between them becomes 25 times as strong?

    asked by randy on November 14, 2008
  49. education

    How does this problem create a barrier for creating strong and healthy children in this country? need someone to explain please.

    asked by nina on May 11, 2016
  50. chemistry

    Q.1 Calculate the extent of hydrolysis of 0.005M K2CrO4.If K2=5*10^-7 for H2CrO4.(It is essentially strong for first ionisation).

    asked by mohit on January 9, 2010
  51. chem

    draw a titration curve for strong acid that indicates the starting substance had a pH of 1.5 And the base being used to titrate it had a pH of 13.

    asked by Jer Lis on May 17, 2011
  52. Chemistry

    What are the major species in a solution during the titration of citric acid with a strong base such as NaOH?

    asked by Lyn on November 20, 2016
  53. social

    Since poverty is so strong on the reservation, what do you hink thecrime level is like? what are some of the criminal issues you think they face?

    asked by Faye on October 18, 2009
  54. Psychology

    Is there a strong connection between our mood and our senses? Has there been science esearch to support or disprove this notion?

    asked by Christian on November 21, 2007
  55. Psychology

    Is there a strong connection between our mood and our senses? Has there been science esearch to support or disprove this notion?

    asked by Christian on November 21, 2007
  56. social socials

    Americans are united by their strong belief in basics principles.They believe that people are born with privileges that cannot be taken away from them. These are what?

    asked by Dezteni on April 5, 2011
  57. American Lit

    Why is A strong economy should be a country's most important goal.? I'm writing a paper and need to know, please keep short and simple.

    asked by Sakinah Bibi on January 28, 2016
  58. LA

    What's a line from The Call of the Wild that supports that Buck is a strong, loyal character? And how does it support it?

    asked by Spn on October 18, 2017
  59. Chemistry 12

    define the term strong bronsted lowry acid it is 100% ionized in solution? is that it?

    asked by Shreya on January 25, 2013
  60. Chemistry

    Which intermolecular forces between the war and protein are affected by the addtion of strong acids and bases?

    asked by Anonymous on September 18, 2010
  61. social studies

    americans are united by their strong belief in basic principles.they believe that people are born with privileges that cannot be taken away from them.these are

    asked by brian on April 14, 2010
  62. English

    Examples in books or films in which women were portrayed in a negative way or as strong capable characters

    asked by Abbie on January 10, 2015
  63. Political Science

    Develop an argument for a strong national government, or for greater state sovereignty and independence.

    asked by Daniel on August 28, 2015
  64. chemistry

    Calculate the pH of a 3.00×10-4 M solution of the strong acid HClO4. Round your answer to 3 significant digits.

    asked by HELP ASAP PLEASE on October 10, 2013
  65. English

    What is he like? 1. He is generous. 2. He is handsome but strict. 3. He is diligent and strong. 4. He is ugly but friendly. [Can we answer this way? No problem?]

    asked by rfvv on March 12, 2018
  66. science

    if a strong odour is smelt continuously for some time the sensation ofsmell of that substance weakness why?

    asked by adma on February 5, 2017
  67. Science

    if a strong odour is smelt continuously for some time the sensation of smell of that substance weakness why?

    asked by Rabin on January 31, 2016
  68. Socials

    Political party which favoured a strong, hereditary monarchy. This word has six letters and the second letter is o.

    asked by Sara on October 4, 2009
  69. english

    A good strong thesis statement about the children's book Corduroy by Don Freeman

    asked by Nicole on October 20, 2011
  70. geo

    Hi... I need some URGENT help with my geography essay, I'm suppose to have three reasons to why canada is the best country and I'm looking for a 3 strong arguments ... i have 2 already down , economy and physical geography . I need to have 11 paragraphs in

    asked by zahraa on January 6, 2017
  71. statistics

    A researcher is interested in whether herbal remedies are effective in relieving allergies, and if so, which ones are most effective. The researcher takes a group of 20 allergy sufferers and randomly assigns each one to receive herbal tea, a homeopathic

    asked by Sue on May 4, 2014
  72. History again

    Based on the below from the Wikipedia, I would agree with you. As Solberg reports, "It immediately became the recognized revolutionary government, with its main task to conduct the war and lead the colonies ultimately to independence." [2] The Second

    asked by GuruBlue on January 20, 2007
  73. Physics

    Suppose the position of an object at time t is (6 + 5t, 2t2, 7t − 5t3). (a) What is the instantaneous velocity at time t? (b) What is the acceleration at time t? (c) What is the instantaneous velocity at time t = 0? (d) What is the acceleration at time t

    asked by Sarah on January 7, 2015
  74. Science (Physics)

    Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 30 kg object on the Earth? The acceleration of gravity is 10 m/s 2 . Answer in units of N What is the weight on the moon? Answer in units of N What is

    asked by Ahmad on November 18, 2013
  75. english (3rd grade)

    Kindly correct my answers. Direction: Arrange the sentences to form unified, coherent, logical and orderly paragraph. 1. a.For example ostriches and penguins cannot fly. b.The fastest birds can fly 100 km per hour. c.When people think of birds, they think

    asked by rubens on December 28, 2014
  76. physics

    Consult Interactive Solution 2.22 before beginning this problem. A car is traveling along a straight road at a velocity of +38.8 m/s when its engine cuts out. For the next 2.01 seconds, the car slows down, and its average acceleration is . For the next

    asked by trish on December 16, 2015
  77. Physics

    The caber toss is a traditional Scottish sport that involves hurling a caber, which is essentially a large piece of a tree: a caber is a 6 m long, 80 kg tree trunk. Large strong people hurl these and the goal is to get the caber to land as far away as

    asked by Devan on March 30, 2013
  78. Acceleration physics

    1. A sprinter finishes the race with a velocity of 8.9 m/s. the sprinter accelerated to a stop at a rate of -2.7 m/s2. how long did it take the sprinter to come to a stop? 2. A cycllist starts from rest & reaches a velocity of 18 m/s southwest in 3.8

    asked by Durga on May 13, 2014
  79. Calculus

    ccording to Richard Graham in "SR-71 Revealed: The Inside Story", the Lockheed SR-71 Reconnaissance plane accelerates from a standing start to a speed of Mach 3 (3 times the speed of sound) "in about 14 minutes". (During that time it also climbs to an

    asked by Anonymous on February 3, 2011
  80. us government intro paragraph help

    After the American Revolution, many people were grateful to their new profound independence, but some were unhappy with the government’s involvement. The United States has been run by two important constitutions. The Articles of Confederation, the first

    asked by apoorva on August 10, 2006
  81. Physics

    A rotating turntable of mass 200g and radius 10 cm is uniformly accelerated from rest to attain it's maximum velocity of 33 and half revolution per minute through an angular displacement of 240 degree . Determine the (1). uniform angular acceleration.

    asked by Bill on May 29, 2018
  82. AP Physics

    An experimental rocket car starting from rest reaches a speed of 600 km/h after a straight 370 m run on a level salt flat. Assuming that acceleration is constant, answer the following questions. a)What was the time of the run? (in seconds) b)What is the

    asked by Ayana on September 23, 2010
  83. Math

    There are 61 known moons. Mercury and Venus do not have moons, but each of the 7 other planets has at least 1. How do I find the % of total moons for each planet? Earth - 1 Mars - 2 Jupiter- 16 Saturn - 18 Uranus - 15 Neptune - 8 Pluto - 1 Thanks for your

    asked by Spence on February 13, 2008
  84. physics

    The planet mars has a mass of 6042e23 kg and a radius of 3038e6 m. how much would a 60 kg person weigh on Mars compared to their weight on Earth? How heavy he would feel he weighed in kg on Mars?

    asked by edward on June 23, 2011
  85. MICROECONOMICS

    In order to reduce cigarette consumption, govt initiates anti-smoking media campaigns. At the same time it provides price support program for tobacco farmers, pushing price of tobacco above equilibrium. with supply demand framework explain the effect on

    asked by Titir on June 19, 2012
  86. Biology DUE TOMORROW

    Hello, I need help doing a 16 box Punnett Square on this problem: Tongue rolling (rolling the tongue into a “taco”shape) is dominant over not having the ability to roll the tongue (R and r- respectively). Having free earlobes is dominant to attached (F

    asked by ▓▓▓▓Chris ▓▓▓▓ on January 24, 2011
  87. Physics

    In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. In one instance, the radius of the circle is 0.622 m. At one point on this circle,

    asked by BrookeNeed on November 14, 2016
  88. Physics

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  89. Physics

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  90. math

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  91. college engineering science

    A shaft which rotates at 300r/min is uniformly accelerated to 600r/min in 15secs.Calculate: (a) The angular acceleration. (b) The angle through which the shaft has turned during the acceleration.

    asked by Ishola on April 30, 2010
  92. physics

    A negative acceleration is sometimes called a deceleration. What is the acceleration of a water rocket launched at 25m/s if it reaches its maximum height at 2.5s? (Note its speed at maximum height is zero!)

    asked by Kirsty Williams on February 25, 2013
  93. chaitanya

    A car moving with constant acceleration covers the distance between two points 180m apart in 6sec.its speed as it passes the second point is 45m/s.what is its acceleration and its speed at the first point.

    asked by shaik arish on October 1, 2014
  94. Math

    After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the initial velocity and a is the acceleration. If s(2)=16 and s(5)=25, find the initial velocity and acceleration.(round to the nearest tenth)

    asked by Help Please! on December 7, 2015
  95. Science

    My mother in law falls from a 200m cliff. Answer the following. a. What is her acceleration after 2 seconds? What is her acceleration after 3 sec? b. How long will it take her to hit the ground? c. What would be her velocity right before she hit the

    asked by Robbi on December 3, 2010
  96. physics

    a bullet leaves the barrel of a gun with the speed of 320m/s. the barrel is 80.0cm long. Assuming uniform acceleration, determine a)the time it took b)the acceleration of the bullet

    asked by Cindy on October 31, 2011
  97. Physics

    A train starting from rest attains a velocity of 72 km/h in 5min.Assuming that the acceleration is uniform ,find (1) the acceleration and (2) the distance travelled by the train for attaining this velocity.

    asked by Dipanki on May 19, 2018
  98. physics

    A satellite is placed in orbit 100 km above the surface of the earth (radius = 6370 km, mass = 5.98 x 1024 kg). What is the value of the acceleration of gravity at that altitude as a percentage of the acceleration at the surface of the earth?

    asked by Lisa on January 10, 2014
  99. Physics

    Landing with a speed of 90 m/s In the x direction a jet come to rest at 1 km. assuming the jet slows down with constant acceleration find the magnitude of it's acceleration. Is there anyway someone could break this down step by step??

    asked by Sally on February 7, 2014
  100. Physics

    A sports car moving at constant speed travels 150 meters in 5.4 seconds , then brakes and comes to a stop in 3.9 seconds What is the magnitude of its acceleration in ? What is the magnitude of its acceleration in g's (g= 9.80 m/s^2 )?

    asked by Tanner on January 21, 2013