1. Physics please explain

    In the quantum mechanical picture of the hydrogen atom, the orbital angular momentum of the electron may be zero in any of the possible energy states. For which energy state must the orbital angular momentum be zero? n = 1 n = 2 n = 3 n = 4 Give your
  2. Fine Art

    I have to examine the art work "Winged Genie Fertilizing a Date Tree" and explain the elements of art found in the art work and explain what type of movement is shown in this work. I'm really struggling with this and behind on my work. Any help anyone
  3. Chemistry

    Explain the function of the aluminum wire and the mercury II chloride when testing for tin? when testing for antimony, what reagent prevents tin from reacting with the H2S to form SnS2? What reagent is used to identify copper and explain its function.
  4. Math

    How many milligrams do you think are in a gram? Explain. I know 1 gram=1000 milligrams but I don't know how I should explain it
  5. math

    how to explain the answer of 2.35 x 10 to the 14th power... and also explain how i got the answer of 2.35 X 10 to the 13th power... Thank you very much
  6. English

    I have a question regarding citations. How do I cite an encyclopedia using the CSE style? What information do I include in the bibliography? I can't find it anywhere. I searched Google under the key words "CSE citation style encyclopedia" to get these
  7. Media Role in Political Process

    Accessing information from a variety of user locations and obtaining information on a specific topic from multiple sources are advantages of using_________ as a news source. A. a national newspaper B. National Public Radio C. a Public Library D. the World
  8. Science...anyone?

    1. Which of these sources of energy is NOT renewable? a.) wind b.) solar power c.) hydroelectric power d.) natural gas 2. Air can be polluted by _____. a.) tiny particles of soot b.) carbon monoxide c.) sulfuric acid d.) all of the above 3. Which of the
  9. Math 222

    find the domain of each rational expression in set notation. x^2-36 divided by 3x 7w-2 divided by 16w^2-1 Then do both rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain
  10. science

    what is a fungi that doesnt fit into the other standard groups of fungi? Since this is not my area of expertise, I searched Google under the key words "fungi grouping exception" to get these possible sources: http://www.bioimages.org.uk/html/T74.HTM
  11. physical science

    force and motion Do you have a question? Not knowing what your specific question or your age is, I searched Google under the key words "force motion" to get these possible sources: http://library.thinkquest.org/CR0215468/force_and_motion.htm
  12. History

    Brigham Young chose the Great Salt Lake valley because of its _________ (9 letter word) http://unicomm.byu.edu/about/brigham/ Scroll down and go to page 4. http://www.pbs.org/weta/thewest/people/s_z/young.htm http://en.wikipedia.org/wiki/Brigham_Young Be
  13. Physics

    a) Why do you think our eyes fail to see object clearly at varous distances? b) (i) Explain how image of an object is formed in the human eye (ii) What are ciliary muscles? Explain the function of these muscles c) Discuss the similarities and differences
  14. History

    What was the Columbian Exchange? A. The exchange of new goods globally as a result of European exploration B. A trading post established by Christopher Columbus C. An economic system set up by Christopher Columbus in the Americas D. The trading of goods
  15. Texas Southern University

    In a respresentative study,a sample of n = 100 adolescents with a history of group participation is given a standardized self-esteem questionnaire. For the general po;ulation of adolescents, scores on this questionnaire form a normal distribution with a
  16. Geography

    Here's a few questions that I need help with. I included some answers to see if they are right. 1. What mathematical term defined the size across something being analyzed. -Analytic 2. Give example of different analysis sizes. I need to know the
  17. CRT 205

    ON Abortion 1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3 Identify any areas that are vague or ambiguous. If none exist, explain how you
  18. Economics

    Suppose the market wage for farmers is $10 per hour in country A and $20 per hour in country B, there is the same number of people in both countries, there is the same amount of arable land, and initially there is no way for farmers to move between A and
  19. Social Studies

    Which trend is true regarding China's economic impact on transportation use? a. More people are riding bicycles due to increased traffic congestion. b. More people are becoming prosperous and can now afford vehicles.*** c. transportation due to cheaper
  20. ancient history

    I had an exam last week and I couldn't answer this question: What was economic and social status of poets in Ancient Greece in different time periods (under aristocratic, tyrannic and democratic government). I was searching the internet and mostly studied
  21. Economics

    Describe two factors that affect labor supply and two factors that affect labor demand. Using economic principles, describe how changes in the labor market have affected you or someone you know.
  22. Math-please help

    Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections labeled 1 to 6 and hope she gets a 5, or should she roll two number cubes and hope she gets the same number on both cubes? Explain. I
  23. economics

    In the 1920s the French Government was determined to greatly increase its gold reserves by manipulating its exchange rate. Explain what exchange rate regime the French Government would have chosen for this purpose and explain how it would have achieved its
  24. math

    "The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft. long. Does the number of strides the runner takes fit evenly into the length of the race? Explain" I don't understand what I'm supposed to do or what
  25. investing

    A company is thinking of investing some surplus cash in 30 year $1000 face value Microsoft 6% annual coupon bonds. It plans to pay $925 each for 10,000 of them, now, and expects to SELL them for $1025 each at the end of 5 years. Make a determination about
  26. Science!! please help me could you write it to me

    Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound
  27. C++

    Homework is over pointers 1. (3 points) True or false? If (x == y) then (&x == &y). T F Explain your choice: I think its true but I don't really understand why If (x == y) then (*x == *y). T F Explain your choice: False but not sure why
  28. Ap algebra

    Question 1: if a function is undefined at a point can that point be its domain. Explain Question 2: explain what is meant by the minimum value of a function
  29. World History (Ms. Sue)

    Explain how the terms "unconscious" and "repression" are used in Freud's theory. I'm still not sure how to explain how these terms are used in Freud's theory.
  30. civics

    Hi, I'm really confused. I have to explain all of the major provisions of the bill of rights. But what does it mean by "provisions"? Does the question just mean to explain each of the 10 amendments in the bill of rights?
  31. BMB

    1.explain the role of the H-bond in the alpha helical structure. 2. explain the role of H-bond in the beta sheet structure.
  32. Atoms-Science

    Explain how a rotating electric fan might be used to model the atom. Explain how the rotating fan is unlike an atom.
  33. History

    1) Which of the following best describes Affirmative Action? a) It was a way to fight corruption within the US government. b) The actions taken to instill new anti immigration laws. c) Of solving economic and educational discrimination. d) Of solely
  34. history

    Which of the following led to the reunification of germany in 1989? 1. the european union's euro currency brought economic success to france, a staunch ally of west germany 2. communism declined in the soviet union 3. the us divided its military support
  35. bioloy

    Choose ONE animal species. Your goal is to describe the way in which an evolutionary change might occur for a particular characteristic (trait) of a population of that species as a result of natural selection. The characteristic (trait) could be something
  36. Macroeconomics

    What will be the impact of Trump’s tax proposal? Describe the impact of the proposed tax cuts on the US economy for the next few years. Will there be any decreases in Government spending if the GOP tax proposals pass. Explain. Does Trump’s
  37. Economics

    The pricing of pharmaceutical products can be controversial. A recent example is EpiPen produced by Mylan which is used to treat anaphylaxis. The retail price of an EpiPen is $300, while industry sources estimate that it costs around $30 to produce each
  38. Economics

    The pricing of pharmaceutical products can be controversial. A recent example is EpiPen produced by Mylan which is used to treat anaphylaxis. The retail price of an EpiPen is $300, while industry sources estimate that it costs around $30 to produce each
  39. grade 10 math- slope/midpoint/length formulas

    A map shows a main gas pipeline running straight from A(45,60) to B(65,40) a) Is the point C(63,54) on the branch pipeline? Explain your reasoning b) What is the shortest route for connecting point C to the main pipeline.Explain **OMGGGG PLZZZ HELPPP,
  40. science

    cranberry plants are grown in areas called bogs.In the fall,each bog is flooded with water.when the plants are underwater,the cranberries are knocked off the plants and rise to the surface of the water.The farmers scoop them up.What property of craberries
  41. Physics

    The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? 294.13 u (b) What is the mass (in kg) of an aspartame molecule? kg I was able to find the mass units but I'm having
  42. Physics

    Explain why placing your finiger exactly in the middle of a guitar or violin string and pressing it against the neck should give a tone about an octave higher than the open (full length) string. Explain ( in terms of the tension in the string) why you may
  43. phys

    It is not a homework,but this is my question and I hope sb to explain it for me: There is not snow is the area I am living, but in the winter, sometimes I see the ice on my car. I notice that the water is ALWAYS iced at the positions: roof-rack. the lid of
  44. debate!

    Should Gorbachev be blamed for the current economic woes of Russia? I need lots of opinions becuase I am writing a debate thanks! Here are a number of sites with opinions on that question.
  45. Social Studies

    Which of the following is a characteristic of Earth's first people? A. They lived in cold places B. They lives far from water sources C. They lived on the Asian continent D. They moved around in search of food** How do people in northern Chad adapt to the
  46. Social Studies

    Which of the following is a characteristic of Earth's first people? A. They lived in cold places B. They lives far from water sources C. They lived on the Asian continent D. They moved around in search of food** How do people in northern Chad adapt to the
  47. symbolic?

    Shakespeare has chosen to use a “poisoned sword” and the “poisoned chalice” to end the lives of the main characters in the play.why is this symbolic in the play? Since this is not my area of expertise, I searched Google under the key words
  48. math

    describe general rule for which fraction that have decimal forms that terminate and which have decimals that repeat and list prime factorizations for each: 1/2 , 1/3, 1/4, 1/5,1/6,1/7,1/8,1/9,1/10,1/11,1/12 how do I do these problems? I searched Google
  49. water & climate

    We have a catchment with a total area of 9.0 km2, where the runtime principle applies. The area is subdivided in 5 regions (A1 to A5) in such a way that every individual area has a runtime of 30 minutes. The areas drain sequentially. A5 is at the top of
  50. water & climate

    We have a catchment with a total area of 9.0 km2, where the runtime principle applies. The area is subdivided in 5 regions (A1 to A5) in such a way that every individual area has a runtime of 30 minutes. The areas drain sequentially. A5 is at the top of
  51. HISTORY

    Which factor BEST explains why Native Americans were able to make permanent settlements? A. native americans began to cultivate plants for food B. Native Americans began to create more complex tools and pottery C. Native Americans discovered alternative
  52. MINERALS

    can someone pls explain (n i mean explain) the effect of nitrate ion and magnesium ion deficiency on plant growth proteins....well they are used for repairing worn out cells and for producing new cells? chlorophyll....it'll be able to photosynthesise less
  53. earth

    HELP? Two students are given cubic boxes, measuring 10 cm on a side. Robert puts a single glass marble with a diameter of 10 cm in the box. Susan puts 1,000 1-cm glass marbles in her box. 1.Whose box has more empty space? Explain. 2.Whose box will be
  54. Math

    You want to conduct a survey to find out what sport the students at your school prefer to play. a) You interview 20 boys playing football at lunch. Is this a random sample? explain b) The survey question you ask is, ''What is your favorite sport to play?''
  55. eco205

    I am to do research on an industry and answer the question is price elasticity of demand considered elastic or inelastic? Are there substitutes available? Is the good a luxury or a necessity? Explain. o What is the price elasticity of supply for your
  56. Science

    How does NASA's guest blogger support her claim that there are role models for communicating scientific information? (A) She names her own personal favorite resources for scientific information. (B) She lists several sources of scientific information that
  57. history

    i really need help on this, i've been trying to answer it for so long, please help me How did Woodrow Wilson's reform platform during the 1912 campaign differ from that of Theodore Roosevelt? a. Wilson supported federal regulation of business b. Wilson
  58. U.S. History

    So I read the book Cannery Row by John Steinbeck. I have to pick three major events/ideas found in the book. This is what I think: 1. The flu epidemic which hit the town at the most busiest time of year. 2. The violence and suicides due to economic issues
  59. psychology

    write on the topic Acquire Immuno-Deficiency syndrome (AIDS)and submit a 3-5 page typed,APA style paper.Title and reference pages are separate.The paper must include the folloing information:description of the condition/syndrome,onset and contributing
  60. English

    In point 4 I wanted to be more precise. What kind of texts will they have to write when reporting about their experiments, exchanging information with partner students per email or intepreting data? Please, help me!! 4) write a wide range of different
  61. fine arts

    There was a wide range of influences that affected the art of the merging modern Europe. Explain how five of these influences had an impact on the art of the Italian Renaissance, and explain five influences that had an impact on art of the Rococo period. i
  62. advanced math

    How do you find the domain and range of an equation? Since this is not my area of expertise, I searched Google under the key words "domain range equation" to get these possible sources:
  63. Calculus I

    Problem: A hot air balloon rising straight up from a level field is tracked by a range finder located 500 feet from the point of liftoff. Express the balloon’s height as a function of the angle the line from the range finder to the balloon makes with the
  64. Business

    Explain why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small number of large firms. (At the same time, some Internet businesses such as grocery home deliveries have continually
  65. SS

    What would be the most likely effect of a Southern European economic boom on the region's immigrants? A. Immigrants would be more welcome because their labor would be needed. B. Immigrants would be more welcome because they would be responsible for the
  66. Social Studies

    Hi I was just wondering if anyone could check my answers, Thank you!! 1. Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa*** 2. What was the effect of diversity in Dafur? a. NGOs b. Apartheid c.
  67. Chemistry (please Help!!)

    determine which experiences a lower effective nuclear charge. using words and/ or drawings explain why. A) an electron in a 2s or an electron in a 2p B) a valence electron on sulfure or a vance electron on silicon C) a valence electron on chlorine or a
  68. MAth

    What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
  69. science

    Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound
  70. math

    What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
  71. finance

    A company wants to buy a labor-saving piece of equipment. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Labor content is 12% of sales, which are annually $10
  72. history

    where can I find information on progress of the united states between the late 1800's to 1930's. This site has a history of the U.S. You can read the sections from after the Civil War until World War II to find the progress made. Are you looking for
  73. Traditions

    I need another tradition that is not christmas. Please help me. It needs to be from an exciting place. Like australia, england, france, paris. please help!!!!!!!!! Here in exciting Texas, June Teenth is an official holiday.
  74. SS

    How did the fall of communism most impact people in Eastern Europe economically A) Privatization has allowed them to become entrepreneurs.*** B) Greater freedoms have enabled collective farming. C) Democratic elections have ensured more representative
  75. Home Economics

    The pricing of pharmaceutical products can be controversial. A recent example is EpiPen produced by Mylan which is used to treat anaphylaxis. The retail price of an EpiPen is $300, while industry sources estimate that it costs around $30 to produce each
  76. precal

    Prove sin 1 cos  1 cos sin  0 1. Show each step of your proof. 2. Provide written justification for each step of your proof. C. If you use sources, include all in-text citations and references
  77. health, science

    How can I explain Lung cancer to children? I don't know how to explain in easy words. "Lung cancer is the uncontrolled growth of abnormal cells in the tissues of the lungs. If not treated, lung cancer may spread to the surrounding tissues and other parts
  78. Chemistry

    People that have nearly drowned in cold water can sometimes be revived. However, people that have been in warm water for the equivalent amount of time have died. Explain in terms of rates of reaction. Now obviously reactions occur faster in warmer
  79. Math

    I am 55, my motherlaw is 70, my friend is 40. How do I figure out the LCM and the GCF. My home assignment is listed as= List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15
  80. georgia history

    which factor best explains why native Americans were able to make permanent settlements? A.Native Americans began to cultivate plants for food . B.Native Americans began to create more complex tools and pottery. C.Native Americans discovered alternative
  81. Source Analysis

    I have an upcoming source analysis for my mid year exam in Ancient History, and after my past few source anaylsis', I haven't had of the greatess success. If there any websites or guides that could help me anaylse sources, such as sections of text and
  82. electronics and circuits

    A circuit that combines two or more signals is called a mixer. In this lab, your goal is to build a mixer that combines the signals generated by two voltage sources, V1 and V2, where: V1 is a 1 kHz square wave that varies between 0V and +1V, and V2 is a 5
  83. Social Studies

    I am doing well with my History class, but am struggling with a few end of chapter study questions. Please assist. What Philosophies of the enlightenment did monarchs adopt in Europe? A. They sought to use education to rationalize their political and
  84. SCI 275

    Resource: Chapter 18 Select one case study or an example, from Chapter 18 that describes the impacts of a toxic substance on human health. Answer the following questions based on the risk assessment principles presented in Ch. 18, and in Figure 18-10 in
  85. trig

    Prove sin 1 cos  1 cos sin  0 1. Show each step of your proof. 2. Provide written justification for each step of your proof. C. If you use sources, include all in-text citations and references
  86. History

    Plato and Aristotle both argued that political life should reflect humans' aspirations to live in a genuinely "good" society. However, their visions and ideas were very distinct. How were these "good societies" similar, and how were they different? Whose
  87. chemistry

    In which of the following pairs of compounds are both members of the pair ionic compounds? Explain a. Pl3 and HBr b. H2S and NCl3 c. LiF and H20 d. LiI and NiO DrBob222 you said you would choose the answer d and I should know how to figure this out. I
  88. Chemistry

    Sam Student calibrates a flask with water at 20C. Patricia Pupil borrows the flask and Sam's calculated volume for the flask, and uses it to do her unknown at 25 C. What, if any specific effect will this have on the results of Patricia's density
  89. Chemistry

    Explain, using collision theory, the effect of decreasing temperature on the rate of a chemical reaction. Explain, using collision theory, the effect of increasing concentration on the rate of a chemical reaction. Explain, using collision theory, the
  90. History

    Which correctly describes the positive impact of European imperialism? Imperialist powers promoted their own interests over the well-being of indigenous peoples. Imperialist powers sought social change through self-government. Imperialist powers provided
  91. history

    Which correctly describes the positive impact of European imperialism? Imperialist powers promoted their own interests over the well-being of indigenous peoples. Imperialist powers sought social change through self-government. Imperialist powers provided
  92. Geometry

    A circle has a 3cm radius. 1. By what factor does the circumference change if the radius is tripled? Explain. 2. By what factor does the area change if the radius is doubled? Explain.
  93. Math

    Can someone explain this question? For a set of scores, will the interquartile range always be less than the range? Explain your answer with an example. My answer would be yes the interquartile will always be less than the range.Is this correct? But I
  94. English Ms. Sue

    How would I explain my reason fear can cause war because they might believe their is no other solution? How would I explain my reason fear can cause war because people naturally have an instinct to predict themselves with fear?
  95. science

    (a) What kinds of evidence do glaciers leave behind? (b) Explain how the direction of motion of ancient glaciers can be determined. (c) What can explain evidence of ancient glaciers near the equator?
  96. english

    write a short story based on the themes shakesphere explored in macbeth.do i have to write the themes of macbeth and explain them or the assignment is something else.i think i have to explain the themes
  97. Economics

    select a country and an economic concern, such as population, unemployment, etc. Search the Library and Internet for data sets for the concern that you have chosen. Where were you able to find data sets? What is the relationship between the variable that
  98. PHI 208

    Explain why you think these questions would be the type to reveal the computer to be a computer? Why would these responses have to be given by a human being? (If you don't think there are such questions, explain how the three questions you chose would fail
  99. ap chemistry

    some reactions that are considered to be spontaneous at low temperatures will not proceed at a measurable rate or form any measurable quantity of products for several hours, days, or years. a. explain why this is. b. will the addition of a catalyst alter
  100. physics

    two stones are dropped simultaneously into a calm pool of water. The crests of the resulting waves form equally spaced concentric cicles, as shown in the figures. The waves interact with each other to create certain interference patterns. explain why the