1. History- help

    I just need some one to help me and not giveme the answer, I don't know how to get start on this paper, that I have to write. I would have to apply the south carolina slave. to the things you have listed below? south carolina slave. o The philosophical
  2. Chemistry

    I got this as a homework question. Identify Valence electrons and explain the difference in valence orbitals for main group and transition metals. I do not even understand how to begin to answer this. Please help thank you
  3. Physics

    The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an x-ray?
  4. Physics

    The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an x-ray?
  5. chem

    2H2(g)+ O2(g) --> 2H2O(L) I know the oxidizing agent is oxygen and the reducing agent is hydrogen. what are the number of electrons transferred in the balanced chemical equation? (I put 2 and tried -2 but it didn't seem right)
  6. Physics

    wo very small spheres are initially neutral and separated by a distance of 2.73 m. Suppose that 2.60E+13 electrons are removed from one sphere and placed on the other. What is the magnitude of the electrostatic force that acts on each sphere?
  7. Physics

    The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an x-ray?
  8. physics

    If a metal wire carries a current of 79 . 0 mA, how long does it take for 7.90 × 10 20 electrons to pass a given cross-sectional area anywhere along the wire? The fundamental charge is 1 . 602 × 10 − 19 C. Answer in units of s
  9. science

    i need to draw a picture of nitrogen as a person, with the amount of protons, neutrons, electrons and the atomic number, all of which are 7, corresponding to the head, body, arms and legs. any ideas on how to draw this?
  10. Chemistry

    My question is, Hund's rule states that the electrons pair up only after each orbital in a sublevel is occupied by ______. I think its one electron, but the more I read I'm confused because it says about an electron with a spin cycle.
  11. Physics

    Electrons are ejected from a metallic surface with speeds ranging up to 4.50x10^5 m/s when light with a wavelength of 615nm is used. (a) What is the work function of the metal? (b) What is the cutoff frequency for this surface?
  12. Chemistry

    Explain the chemical changes that occur in the red cabbage lab that changes the color of the cabbage juice. I know it has something to do with the hydrogen ions and maybe something to do with the electrons, but I don't understand what or how to answer this
  13. Introduction to Physical Science

    How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second.
  14. Chemistry

    What is the symbol for th eion with 9 protons and 10 electrons? Look at the answer I gave you for Al and see if you can answer this yourself. If you have trouble, post again but tell us why you don't understand the next step to take. So basically this
  15. Physics

    Electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second. Show that the wavelength of the radio waves that are produced is 561 m.
  16. chemistry

    the following is a redox reaction. show which element(s) are oxidized and reduced. include how many total electrons are gained or lost by each element. 3HNO---->HNO3+H2O+2NO
  17. physics

    What is the direction of a person that walks 3.0-km North and 4.0-km East?
  18. science

    what are the global winds that effect north america?
  19. Social Studies

    Do mountains run through the majority of North Korea?
  20. social studies

    what are some collages in north carolina's mountain reigon?
  21. History

    How many hours does it take by plane from Michigan to get to North Carolina?
  22. SS

    What are some similarities between East, North, and West Africa?
  23. social studies

    What is the waterway that extends north of the dead sea?
  24. social studies

    what was the north greatest resource during the civil war?
  25. Physics

    Point B is 24 m east of A and 12 m north of A. What is the distance AB? What is the displacement from A to B?
  26. social studies

    why did it take so long for north america to become settled by the natives?
  27. Phy 1004

    A= 50.0 lbs due East, B=100Lbsdue North. A+B= R,R=?
  28. social studies

    Which large island is located farthest north?
  29. social studies

    The North liked high tariffs on foreign goods because?
  30. HELP!PLEASE I'M BEGGING YOU!

    If i was in philadelphia,where am i in North America?Am i somewhere in the northeastern part or whatever.
  31. Geography and World Cultures Core

    The three most commonly spoken languages in North America
  32. geography

    How many major oceans are there, what are they and how many are located north of the equator?
  33. physics

    How would you draw 4 cm 45 degrees north of east plus 4 cm west?
  34. History

    The Inuit people of North America are all _______________
  35. SS

    Canada: Icy North...Need a Somthing to Read ....
  36. World Studies

    What is the region of North America where the vikings landed?
  37. social studies

    is having prades in like each holiday a tradition in north america?
  38. SS

    According to the map, how did people first arrive in North America?
  39. social studies

    which of the four oceans does not touch the continent of north america
  40. social studies

    spanish and french explores came to north america looking for what
  41. criminal justice

    What is a diversion program? What are some located in North Carolina?
  42. geography

    what natural vegetation dominates most of north Africa ?
  43. social studies

    what is one example of cultural change during the settlement of north america?
  44. social studies

    is the Tropic of cancer north or southj of the equator?
  45. geography

    The waterway that extends north of the dead sea?
  46. geography

    which one is different from the others and why? Florida, Maine, California and North Dakota
  47. History

    What are four challenges the North faced during the Civil War?
  48. Social Studies

    What is located on 60 north latitude and 85 west longitude?
  49. social studies

    Where was the first Quaker colony in North America located?
  50. Geography

    Country north of Central America. If you can help me out with this, it will be well appritiated thanks.
  51. Social Studies

    What influence did Egypt have on North African Culture?
  52. geography

    what is the water way that extends north of the dead sea.
  53. Social studies

    What is one example of cultural exchange during the settlement of North America!
  54. 8th grade, history ?#7

    What was life like in french settlements in north america?
  55. Physical Science

    How many adjacent plates are there to the North American plate?
  56. united staes history

    what generalization can you make about the abolition of slavery in the north?
  57. social studies

    why did it take so long for north america to become settles by the natives?
  58. U.S. History

    What country controlled territory to the North of the U.S. Boundary.
  59. Physics

    What is the resultant of a vector that has components 25 m/s east, and 25 m/s north?
  60. physics

    At what angle with the north would he have to walk? Answer in units of ◦ .
  61. History

    Why were the English claims father north than those of the Spanish
  62. social studies

    What is the country that lies north of the eastern Canada?
  63. social studies

    what is the largest climate region in north america?
  64. Grade 8

    Why does Great Britian have colonies in North America??
  65. social studies

    what did the dutch call their colony in north america
  66. Physics

    A rod has a charge of -2.0 ìC. How many electrons must be removed so that the charge becomes +3.3 ìC
  67. Physical sciences

    An object has an excess of 50 electrons, What is the charge on the object
  68. Chemistry

    Among the following electrons, which has highest energy? a. n = 3, l = 2, m = 0, s = + 1/2 b. n = 4, l = 0. m= 0 , s = - 1/s answer is A. but i want to know that how to get this answer help please?
  69. Science

    Tellurium is a metalloid. How many valence electrons does tellurium have? 3 4 5 6
  70. physics

    An object has a charge of −2.4 ìC. How many electrons must be removed so that the charge becomes +2.8 ìC
  71. chemistry

    What is the mass of a mole of electrons if one electron has a mass of 9.11 x 10^-28 g?
  72. physics

    A ferry is crossing a river. The ferry is headed due north with a speed of 2.4 m/s relative to the water and the river’s velocity is 2.3 m/s to the east. a) What is magnitude of the boat’s velocity b) Find the direction in which the ferry is moving
  73. Social Studies

    1. Which question would best help you write a report regarding the changes to the political system during Jackson's presidency? (1 point) How did Andrew Jackson react to the results of the election of 1824? When did Andrew Jackson decide to run for
  74. social studies

    Which theory do most scientists believe about the first inhabitants of North America? A. They walked across the frozen Bering Land Bridge. B. They swam across the Pacific Ocean. C. They sailed across the Atlantic Ocean.---------- D. They walked across the
  75. science

    1.) Any object having a very large mass would necessarily have a very large weight. true or false? False 2.)For a freely falling object, A) the total distance covered doesn't change. B) the velocity doesn't change. C) the acceleration doesn't change. D)
  76. Physics

    A hunter aims directly at a target (on the same level) 125m away. If the bullet leaves the gun at a speed of 227 m/s, by how much will it miss the target? I'm not sure how to approach this problem. I know I need to find the horizontal distance traveled,
  77. Trigonometry law of cosine

    A plane is flying with an airspeed of 200 miles per hour and heading 150°. The wind currents are running at 30 miles per hour at 175° clockwise from due north. Use vectors to find the true course and ground speed of the plane. (Round your answers to the
  78. Physics

    I can not figure this out. You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits
  79. chemistry

    What type of rock is made from molten material from inside the earth? (2 points) writing part Igneous Metamorphic Sedimentary Magma 7. How can we use rocks to determine how an area used to look in the past? (4 points) wrting part 8. Which of the following
  80. Geography

    I have to write a short essay for this topic: Describe the various types of forest vegetation. Make sure to give good examples of location and type of plants. This is what I have: Forest vegetation grows on every continent except Antartica and there are
  81. physics

    The electron gun in a television tube is used to accelerate electrons with mass 9.109 × 10−31 kg from rest to 3 × 107 m/s within a distance of 4.7 cm. What electric field is required? The funda- mental charge is 1.602 × 10−19 C. Answer in units of
  82. Chemisty

    PLEASEHELP i am having a major difficulty finding the answer to this question Give the balanced equation with states for both the cathode and the anode reactions of the electrochemical cell shown. Be sure to include electrons in your equations. Pt(s) l
  83. Physics

    The electron gun in a television tube is used to accelerate electrons with mass 9.109 × 10−31 kg from rest to 3 × 107 m/s within a distance of 2.4 cm. What electric field is required? The funda- mental charge is 1.602 × 10−19 C. Answer in units of
  84. statistics

    The starting salaries of a random sample of three students who graduated from North Carolina State University last year with majors in the mathematical sciences are $45,000, $50,000, and $40,000. Find a point estimate of the population mean of the starting
  85. Maths B

    Abbey steers her boat in a North Easterly direction for 15 s, East for 6 s and then stops to avoid hitting a duck. If her boat travels at a constant speed of 10 m/min during this time, what is the distance and compass bearing of Abbey’s boat from the
  86. Astronomy

    1. At opposition, Nursat(is observed to be in opposition every 374 days.) is observed to subtend an angular radius of 7.1523 arcseconds. Use this and the conversion factors in our Table of Constants to find the radius of Nursat in km. 2. Nursat has a moon,
  87. math [basic trig]

    Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from Sam. The top of the tree appears at an angle of elevation of 25 degrees to Sam and 15 degrees to Markus. Find the height of the
  88. World history check my answers please

    my answers have a ***star next to them 1. Who coined the term “Iron Curtain”? a. Harry Truman b. Joseph Stalin c. Winston Churchill*** 2. What best describes the Truman Doctrine? a. Provide food and goods for post-Nazi Germany b. Provide for the
  89. Physics -

    The work function of cesium surface is 2.0eV (a)find the maximum kinetic energy of the ejected electrons when the surface is illuminated by violet light with wavelenght = 4.13 x 10^3 Angstroom unit h = 6.63 x 10^9-34)Js (b) what is the threshold wavelenght
  90. Math

    A boy walk 1260m on a bearing 120degree.how far south is he from his starting point
  91. home economics

    what does the South African government not providing enough welfare or subside to the poor under priviledged
  92. L.O

    Identify and describe 3 environmental or any othr community within South Africa and globally.
  93. life Orientation

    Identify environmental issues that causes ill-health to community in south africa
  94. US History

    Can you please give me good websites on the failures of Reconstruction (of the South after the Civil War)
  95. Economics

    The south african government is not providing enough welfare or subsidies to the poor and underpriviledged?
  96. Civics

    You begin traveling south from Madison,Wisconsin.Which of the following capital cities would you reach first.
  97. history

    what events summarize what led to the ratification of south Carolina constitution of 1863
  98. History

    why did African Americans in the South lose many of their civil rights until 1950s and 1960s? please help me
  99. Social Studies

    Explain briefly the people and their culture. 1. Africa 2. Asian 3. South Pacific
  100. History, Urgent

    Who negotiated with the five tribes to convince them to side with the South durnig the Civil War?