Rank the crystal lattice structures in order of decreasing efficiency of space in the structure.

20,916 results, page 82

  1. English

    This is my DBQ for an essay The Islamic and Christian religions differed on their views of merchants tell about 1500 C.E. As time crept by people of the Christian religion changed their views and became almost identical to the Islamic view that didn’t really change over time...
  2. physics....again

    A typical light bulb is 2% efficient. It means that only 2% of electric energy is converted into visible electromagnetic radiation and 98% is converted into ultraviolet radiation known as heat. Suppose a 100W bulb is turned on for 10h. a. how much energy is used by the lamp? ...
  3. calculus

    Some scientists believe that the average surface temperature of the world has been rising steadily. They have modeled the temperature by the linear function T = 0.02t + 8.75, where T is temperature in °C and t represents years since 1900. (a) What do the slope and T-intercept...
  4. physics

    It is the year 2305 and the tallest structure in the world has an insane height of 3.19×106 m above the surface of the Earth. A pendulum clock that keeps perfect time on the surface of the Earth is placed at the top of the tower. How long does the clock take to register one ...
  5. physics

    It is the year 2305 and the tallest structure in the world has an insane height of 3.19×106 m above the surface of the Earth. A pendulum clock that keeps perfect time on the surface of the Earth is placed at the top of the tower. How long does the clock take to register one ...
  6. Grammar

    True or False Is the following sentence properly functuated. The young appearing patient went to the doctor's office. Answer is FALSE My question is WHY? - Is it BAD sentence structure - we have ruled out that the apostrope is CORRECT. Should there be a comma after patient? or...
  7. Che

    An optically active amino acid (A) can exist in three forms depending on the pH of the medium. If the molecular formula of (A) is C3H7NO2 write (i) structure of compound (A) in aqueous medium. What are such ions called? (ii) In which medium will the cationic form of compound (...
  8. Calculus

    A sinusoidal section is to be built as part of a roller coaster track. The high point is h=27 m at a horizontal distance d=0 m. It has a low point at h=-3 m at d=50 m. a. Write an equation expressing h in terms of d. b. The lengths of the horizontal timbers used to build the ...
  9. college chem. please help!!

    Calculate the % empty space in 1 mole of water at 25 degree C (d=0.9971g/ml). The volume of a water molecule can be taken as the sum of the volumes of the 2 hydrogen molecules and the oxygen atom. Use the single bonded covalent radii of 37pm for hydrogen and 66pm for oxygen.
  10. Weather & Climate (science)

    1.A(an)_________________ barometer Has a closed space surrounded by metal 2.A(an)_________________ barometer Has a glass tube that is open at the bottom end. ive been tryin thesse for ever! when awncering put like for example ur goi no awncer #1 put 1. then the awncerr
  11. Physics

    A single photon in empty space is converted into an positron and an electron, each with rest mass 511Mev. (a) show this transformation is not possible (dynamaically). (b)How could this transformation be made posible. (c)what is the minimum photon energy required to enable the ...
  12. Phys Science

    Good afternoon tutors..I need help on a few problems.Im really stuck.. 1) the space shuttle orbits at an altitude of approximately 200km above the surface of the earth. If the radius of the earth itself is 6380km, whats the acceleration de to gravity at the altitude of the ...
  13. physics

    A rocket consists of a payload of 4280.0 kg and 1.626 105 · of fuel. Assume that the rocket starts from rest in outer space, accelerates to its final velocity, and then begins its trip. What is the speed at which the propellant must be expelled to make the trip from the Earth...
  14. working with school-age children

    Which of the following is one of the steps for successful inclusion? 1) Use every inch of space in designated areas. 2)Organize all children in an assigned, designated area. 3) Modify appropriate environments and curriculum. 4)Provide every program requested.
  15. physics

    You are explaining to a friend why the crew of the International Space Station feels weightless while orbiting the Earth. Your friend responds that he thought gravity was just a lot weaker up there. Show that it isn’t so by calculating the acceleration due to gravity 350 km ...
  16. physics HELPP!!!!!!!

    Two astronaut, as shown in the figure, each having a mass of 88.0 kg, are connected by a 10.00 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 6.00 m/s. By pulling on the rope, the astronauts shorten ...
  17. physics

    A car moving at a speed of approximately 176.5 km/h. 923 m in front of the car, there is a truck moving at a speed of 84.2 km/h in the same direction. 1.What is the name of the physical process that would occur if both vehicles kept moving at constant speed? 2. How long would ...
  18. Structure of the Earth

    Explain Earth's layers by comparing Earth to a familiar object such as an avocado. How are the layers similar? How are they different? I don't really get this question...All I know is that they both have different layers consisting of different mix of materials. They have ...
  19. math-calculus

    The following equation shows the approximate relationship between the percentage y of total personal consumption spent on food and the corresponding percentage x spent on education. y = 38/x^0.38 percentage points; (6.5 ≤ x ≤ 17.5). According to the model, spending...
  20. Chemistry

    For the reaction 2 NO (g) + Cl2 (g) → 2 NOCl (g) If the concentration of NO is tripled, the rate of the reaction increases by a factor of nine. If the concentration of Cl2 is cut in half, the rate of the reaction is decreased to half the original rate. Find the order of ...
  21. Socials-Ms. Sue

    First Nations Assignment Fact Chart Northwest Coast: Food = shellfish/middens, salmon, birds, early ripening plants foods/salmon berries, huckleberries Shelter = longhouses Clothing = wooven bark capes, spruce root hats, simple skirts made out of shredded cedar fibre Social ...
  22. science

    A crab shell is buried in sediments. The sediments get pressed and squeezed into stone. Meanwhile, the crab shell gets washed away leaving a hollow space the shape of a crab shell. What kind of fossil is this?
  23. Chemistry

    Ranking equilibrium constants from largest to smallest according to an image?Ethene (C2H4) can be halogenated by the following reaction: C2H4 (g) + X2 (g) -><- C2H4X2 (g) where X2 can be Cl2 (green), Br2 (brown), or I2 (purple). Examine the three figures below ...
  24. Melting point

    Do you have any idea what the melting points and range might be for a 50/50 mixture of: 1. Benzoin (M.P.: 135-136) and succinimide M.P.: 121-123 and 2. Benzoic acid M.P.: 121-122 and succinimide M.P.: 122-124 I'm doing a lab with really laughable melting devices. My unknown is...
  25. Statistics

    A mail order company has sent a questionnaire to each of its customers, asking how many of the previous year's promotions prompted orders that would not have otherwise been made. The accompanying table lists the probabilities that were derived from the questionnaire, where X ...
  26. Earth and Space Science

    Clouds form primarily at the boundary between a)the stratosphere and mesosphere b)the mesosphere and ionosphere c)the troposphere and mesosphere d)the troposphere and stratosphere e)the hydrosphere and troposphere
  27. Decimal problem #2

    The glass mirror of the Hubble telescope had to be repaired in space because it would not focus properly. The problem was that the mirror's outer edge had a thickness of 0.6248 cm when it was supposed to be 0.625 cm. Was the edge too thick or thin? By how much?
  28. Algebra

    The floor of a one-story building is 14 feet longer than it is wide (see figure). The building has 1472 square feet of floor space. a) Write a quadratic equation for the area of the floor in terms of w. (b) Find the length l and width w of the floor.
  29. Environmental Science

    23. During the period of human history known as the ____, human populations grew rapidly because of advances in farming methods. a. Industrial Revolution b. "Tragedy of the Commons" c. agricultural revolution d. hunter-gatherer period C? But it could also be A 25. Which major ...
  30. Biology

    Proteins are manufactured through the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in the process, they are modified to their functional form...
  31. Ap World History

    This is my DBQ for an essay The Islamic and Christian religions differed on their views of merchants tell about 1500 C.E. As time crept by people of the Christian religion changed their views and became almost identical to the Islamic view that didn’t really change over time...
  32. Microeconomics

    As a general rule, profit-maximiaing producers in a competitive maket produce ouput at a point where: A) marginal cost is increasing B) marginal cost is decreasing C) marginal revenue is increasing D) price is less than marginal revenue I was picking C for the answer? The ...
  33. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative stories. ...
  34. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are  A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative stories...
  35. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are   A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative ...
  36. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are    A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative ...
  37. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative stories. ...
  38. English

    I must improve the organization of these four sentences of a paragraph in the most effective way. Is my answer correct? Sentences: 1. The reader has probably figured out that the boy named Walter was Walter Elias Disney. 2. During his lifetime Disney and his staff created 18 ...
  39. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for multiply and divide, ...
  40. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for multiply and divide, ...
  41. History

    “...[The] said Cooper Hughs Freedman with his wife...are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep them so and to do all other work on said farm necessary to be...
  42. Pre calculus

    ramp needs an angle of elevation no greater than 4.8. the business has 8 ft to build the ramp. the ramp must rise 6 inches above the ground. can a ramp be built in this space? if a ramp can be built what is the minimum horizontal distance possible? please show work. i'm ...
  43. Operations Management

    Fresh Sub hires three workers during the peak hours. When customers arrive, one worker is dedicated to order taking and preparing the bread and the meat; then the customer is passed to the second worker, who asks the customer about the vegetable selection and specializes in ...
  44. computer

    a routine that puts a series of strings or numbers in order is called a ________
  45. Science

    In order to fall closer to the nucleus an electron must have ________
  46. social studies

    What is a government order forbidding trade with other countries called?
  47. English

    which revised list is in alphabetical order? what dose this question mean or looking for?
  48. Math

    Why is it important to follow the order of operations instead of solving from left to right?
  49. Math

    Simplify the expression using order of operations. 7(9+7)+4(4-1) over 4(6-3)-2 to the third exponent
  50. algebraic expressions and the order of operations

    i need help with this math question....how will i be able to do this excersize; n+4, n+8, 3n,
  51. Science

    What type of education do you need in order to become an Diagnostic Medical Sonographer?
  52. Science

    What type of education is needed in order to become a Diagnostic Medical Sonographer?
  53. physical science

    what must be add or removed in order for matter to change state?
  54. CHEMISTRY

    Arrange the following ions in order of increasing size: Br- Ca2+ K+ Se2-
  55. math

    Place the following set of numbers in ascending order.-2/9,5/9,1/8,-1/9,3/7? and this is what I got is it right? -2/9, -1/9, 1/8, 3/7, 5/9
  56. Math

    are these in correct order from least to greatest 100feet, 10,000inches, 1km, 1 mile
  57. math

    put fractions in order from least to greatest, explain how you got the answer 3/4 1/2 1/4 2/3
  58. math

    Can you please explain how to put the following fractions in order from Least to Greatest? Thank you 3/10, 2/5, 1/4, 1/2
  59. Math

    Solve this system of simultaneous equations in order to express V in terms of Vo, x, and a (but not t). x=Vot+(1/2)at^2 v=Vo+at
  60. MATH

    FOLLOW THE ORDER OF OPERATIONS TO FIND THE VALUE OF EACH EXPRESSION. 45 DIVIDED BY 9 MULTIPLE 3 =
  61. 4th grade

    what are the bodies of water (canada) please list them in the correct order.
  62. chemistry

    What determines the order in which the component elements of binary molecular compounds are written?
  63. 4th grade

    name the planets of the solar system in order from the sun out?
  64. grammar

    in order to write sentences that are correct in srtucture is this a fragment run-on sentence
  65. Chemistry

    Which of the following groups has the species listed correctly in order of increasing radius? 1. Mg +2, Ca +2, Ba +2 2. Fe, Fe +2, Fe +3 3. Na, Mg, Al 4. Br-, Cl-, F- 5. K+, Na+, Li+ Is it 1. Mg +2, Ca +2, Ba +2 ?
  66. computers

    I need a part order module for parallel array named OrderNums
  67. chemistry

    how do we calculate bond order of a molecule that has 3 different elements, like for example C-N-O
  68. business

    It is a problem about the job-order costing used by a law firm.
  69. visual basic

    a routine that puts a series of strings or numbers in order is called a.......?
  70. algebra

    order the following numbers from greatest to least : 3.8 , -4.3 , -4.1 . express the answers by usinq < , <_ ,> , _>
  71. math

    write in order from least to greatest the six numbers whose digits are 2, 8, and 9.
  72. math

    write in order from least to greatest the six numbers whose digits are 2,8,and 9
  73. history

    were did king george III hire mecenaries from in order to fight the colonists
  74. chem 2

    What concentration of NaF is required in order to convert a 0.15M HF solution to a buffer with a pH of 5.50?
  75. Chemistry

    What is the theoretical justifaction for the order of reaction rates of a cycloalkane, cycloalkene, and benzene?
  76. geography

    which 7 bodies of water do you pass through in order to get to Abadan from Istanbal by ship
  77. law

    How does the United States deal with problems related to civil order control?
  78. chemistry

    when should the temperature be recorded for an experiment in order to determine the boiling point?
  79. Geometry

    list the sides in order from shortest to longest in angle PQR,with P=45,Q=10x+30,and R=5x
  80. math

    Use each of the numbers 1 through 9 once in any order that you want to make and expression 2011
  81. algebra

    A standard die is rolled 10 times, with the outcomes {2, 4, 1, 3, 4, 2, 5, 2, 5, 1} (in this order). You can conclude _____.
  82. chemistry

    how many molecules of water in order to produce 37 grams of oxgen? give me the Formula
  83. math

    Find equivalent fractions with a common denominator and order from least to grestest 1/2, 4/9, 4/18
  84. Algebra 1 polynomials

    Write the polynomial in descending order by the exponents of the x terms 8x^2+4-5ax^3+6a^2x
  85. algerbra

    what is the order of magnitude for the total weight of 5 cars that weigh 3000 pounds each?
  86. english

    Explain the quote, "In order to survive fact must become fiction."
  87. SOCIAL STUDIES

    IS AN EASY WAY TO LEARN THE PRESIDENTS OF THE UNITED STATES BY ORDER
  88. intermediate algebra

    combine like terms. write all answers in order 9b^5+3b^2-2b^5-3b^2
  89. algebra

    Use only the numbers 3,5,6,2,54,& 5 in that order to write an expression that has a value of 100
  90. chemistry

    arrange the following subshells in order form lowest to highest energy: 4s 4p 4d 4f
  91. 6th grade math

    Put these numbers in order from least to greatest. 2 7/10, 2.07, 127%
  92. Math

    How do I write the numbers in order from greatest to least and show my work 0.275, 2 5/8, 0.15, 3 6/7
  93. Math

    Record 7 digits (0-9) in ascending order that have an inter-quartile range of 4.
  94. Math

    I have being trying to look up as to who invented the order of operations. Please help me.
  95. Chemistry

    The half life for a first order reaction is know to be 4.5 h. How long will it take for 85% to be decomposed, in h?
  96. math

    find equivalent fractions with a common denominator and order from least to greatest 3/7 ,1/9 ,2/3
  97. chemistry

    the order of cation concentration of CuSO4, BaSO4, CaSO4 from highest to lowest.
  98. calculus

    solve the firs-order differential equation by separating variables y'=xy^3/√(1+x^2)
  99. math

    find equivalent fractions with a common denominator and order from least to greatest.1/2 4/9 4/18
  100. Chemistry help please?

    order these highest PH to the lowest PH Ca(OH)2(aq) HCN(aq) NH3(aq) LIOH(aq) HCI(aq)
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