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

20,927 results, page 41

  1. chemistry

    Iodine combines to form I2 in liquid propane solvent with a constant of 1,5 x 10^10 L/mol. The rate is 2nd order. Since the reaction occurs quickly, a flash of light creates an I concentration of .0100M. How long will it take for 95% of the atoms to form I2? This must use a ...
  2. physics

    Rank these automobiles based on the magnitude of the impulse needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
  3. college statistics

    a set of data is normally distributed with a mean of 1000 and a standard deviation of 100.what would be standard score for a score of 900.what percent of scores is betyween 1000 and 900.what would be percentile rank for a score of 900.
  4. college physics

    Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally, the second at some angle above the horizontal, and the third at some angle below the horizontal. Neglecting air resistance, rank the speeds of the ...
  5. statistics-normal distribution

    a set of data is normally distributed with a mean of 500 and a standard deviation of 100. a) what would the standard score fora score of 700 be? b) what % of scores is between 500 and 700? c) what would the percentile rank for a score of 700?
  6. Math

    Rank the following from greatest to least. 297.086, 297.8, 297.062 Is this correct 297.062, 297.086, 297.8
  7. science

    Which of the following is not a characteristic of igneous rocks? a. Igneous rocks are formed when molten rock cools and hardens. b. Igneous rocks have crystal grains. c. Igneous rocks are larger in size because the rock cooled more slowly after the hot lava came out from the ...
  8. math

    twelve cans, each 6.6 cm in diameter are packed into a carton. what is the efficiency of this package; that is, what percent of the total base area of the carton is covered by the cans? (use the formula A = πr^2 to calculate the area of a circle)
  9. POL201

    Fredick Winslow Tylor was concern with all but the following a. making workers feel appreciated b. making 1st class worker out of 2ne class worker c. efficiency d. good management
  10. ap chem

    Bismuth can be electrolytically reduced according to the following reaction: BiO(+)+ 2H(+)+ 3e¯ >>> Bi + H2O How many grams of bismuth can be reduced by applying a 5.60 A current for 23.8 min. to a solution containing BiO+ ions (assuming 100% efficiency)?
  11. Math (2nd time posting this)!

    the best order-of-magnitude estimate for 0.00006? - 10^-3 - 10^-4 - 10^-5 * my answer - 10^-6 the best order-of-magnitude estimate for 789,000? - 10^7 - 10^6 - 10^5 - 10^4 *my answer I don't understand this quite well but I want to make sure my answers are correct. Thanks!
  12. Please help -_-

    Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it B? what do I do? You don't have to answer but can someone just tell me how could I answer this myself..
  13. statistics

    set of data is normally distributed with a mean of 200 and standard deviation of 50. · What would be the standard score for a score of 300? · What percentage of scores is between 200 and 300? · What would be the percentile rank for a score of 300? (Points : 6)
  14. Physics

    Consider three conducting spheres each 10 cm in diameter. “A” has a net charge of 5 C, “B” has a net charge of 10 C, and “C” has a net charge of zero, but is placed in an electric field of 1000 V/m. Rank the electric field strength inside the spheres from weakest ...
  15. statistical analysis

    New Process, Inc., a large mail-order supplier of women’s fashions, advertises same-day service on every order. Recently, the movement of orders has not gone as planned, and there were a large number of complaints. Bud Owens, director of customer service, has completely ...
  16. physics : different question

    Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
  17. Chemistry

    How do we order the folllwing considering how easily they grab H^+ ions, when dissolved in liquid ethanoic acid? 1)OH^- 2)F^- 3)Cl^- 4)Br^- 5)I^- I think the correct order is 5<4<3<2<1,because I^- is strong acid cation and may not like to grab H^+ ions etc.Am I ...
  18. grade 6 math

    The shorter side of a rectangle is 20 m. Decreasing the longer side by 30 cm reduces the perimeter by one half. How long are the longer sides of the original rectangle? Explain the reasoning.
  19. Economics

    If a firm is producing a level of output where marginal revenue exceeds marginal cost, would it improve profits by increasing output, decreasing output, or keeping output unchanged?
  20. Biology

    Why does the pCO2 value increase during hypoventilation? If hypoventilation causes shortness of breath, would that not increase the CO2 concentration, therefore decreasing pCO2? What am I understanding incorrectly?
  21. Math

    Cathy is ordering a scoop of ice cream. She can order a cup, a sugar cone, or a waffle cone. The ice cream flavors are vanilla, peach, strawberry, mint, and chocolate. How many different combinations can Cathy order?
  22. Statistics

    To win one version of the New York State lottery, one must correctly select 5 numbers from 49 numbers. How many different selections are possible if: ~ The order in which the selection is made does not matter? ~ The order of selection does matter?
  23. English

    ''Son'' Is Told In A. Chronological Order. B. Fragments That Are Set In Different Time Periods. C.Segments, Each Told By A Different Character. D. Reverse Chronological Order, From Present To Past. This Is From The Story Son By John Updike Its Either B Or C
  24. Chemistry

    How would I draw the abbreviated structural formulae of the products of the complete hydrolosis of this compound, CH3 O (=) N - C - CH - NH2 (-) (-) H CH3 CH3 Sorry about the drawing, the bonds in brackets should be vertical, thanks. We simply can't draw structures on the ...
  25. Chemistry

    Explain what would happen (and why) to the flavor of eugenol if the aromatic ring was saturated into a cyclohexane. I know the structures and that it is saturated with hydrogen, but what would happen to the flavor and why?
  26. socials

    I not find the poster online either but teacher gave us picture and i upload it on internet. i give link down below. i leave space in there it not allow me to post link so i leave space in there. last poster is the : If they over-run canada your money'll be useless... it right...
  27. English

    I forgot to include the following few sentences. Thank you. 1) Virginia Woolf abandoned the traditional technique of novel writing for a new, more modern form. 2) What did she turn to? She turned into an interior monologue* . In her need to shift back and forth in time and ...
  28. stats

    A set of data is normally distributed with a mean of 200 and standard deviation of 50. • What would be the standard score for a score of 250? • What percentage of scores is between 200 and 250? • What would be the percentile rank for a score of 250?
  29. math

    A flying saucer filled with space aliens landed in my front yard! After the entire crew had filed out of their spaceship, I happened to count their heads and feet. I saw a total of 91 heads and 124 feet. It was clear that their leader was a purple creature with three heads and...
  30. programming

    A. Write a program which reads an array of up to 200 integers from input and then does all the following in order 1. searches the array for a specific integer given by the user and outputs its position in the array; 2. outputs the largest element in the array; 3. sorts the ...
  31. home economics

    Critically assess the HDI as a measure of development. What do you think should be added to the HDI to measure development? Using an example and creating some new spheres or indices within the HDI, create an example showing how countries might rank with your new adjusted HDI.
  32. Science

    Bobpursley, could you please check if the following paragraph is written using a correct scientific terminology? Thank you. 1) Nanotechnology is the design, characterisation, production and application of structures, devices and systems by controlling shape and size at ...
  33. CALC 2

    Let an = Hn - ln(n), where Hn is the nth harmonic number Hn = 1 + 1/2 + .... + 1/n a. Show that an > 0 for n>= 1 (Hint: show Hn >= integral from 1 to n+1 dx/x) b. Show {an} is decreasing by interpreting an - an+1 as a positive area. (Hint: use the previous part) c. ...
  34. Math

    the best order-of-magnitude estimate for 0.00006? - 10^-3 - 10^-4 - 10^-5 * my answer - 10^-6 the best order-of-magnitude estimate for 789,000? - 10^7 - 10^6 - 10^5 - 10^4 *my answer I don't understand this quite well but I want to make sure my answers are correct. Thanks!
  35. Biology:respiration in plant

    How do i define the efficiency of respiration in words Since this is not my area of expertise, I searched Google under the key words "plant respiration" to get these possible sources: http://www.sciencedaily.com/releases/2004/07/040723093305.htm http://photoscience.la.asu.edu/...
  36. Pre-Calculus

    One model for the population P of bacteria in a sample after t days is given by P(t) = 1000 - 19.75t + 20t² - 1/3t³ Whoops accidently hit post question a)what type of function is P(t) b)when is the bacteria population increasing c) When is it decreasing
  37. economics

    A village has n fishermen who exploit the sea nearby and sell their catch at market price (assumed constant). The extraction technology displays decreasing returns to scale and is a=e^-1/2 where e is the total effort. 1) What is the optimal behavior for the village? 2) What is...
  38. Geometry

    1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...
  39. Teaching as a Profession

    Assume you are a teacher who would like to address a technology issue at your school. Many of the students' textbooks provide Web links for engaging enrichment activities. Each classroom has five computers, but there is only one computer connected to the Internet per room, and...
  40. help...urgent..calculus

    Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by c(x)=5000+0.6x^2 . a. Find the total revenue, R(x). b. Find the ...
  41. Science

    What is the difference between conserving energy and energy efficiency? What are 5 benefits of conserving energy?
  42. college algebra

    Just che king to see if I did this right. f(x)=(x-4)^2+6 Graph f(x) I graphed 1quadrant 4 up 6 Identify vertex (4,6) Identify intervals f(x) is increasing and decreasing D [-00,6) I (6,00] Checking to see if I figured this right. Thanks
  43. algebra1

    jose ordered a box of fruits for his market stand costing $6.When his order arrived,Jose discovered that 20 fruits were rotten and threw them in the trash.He sold all of the remaining fruits for a total of $8,charging 3 cents more for each fruit than he paid for it.How many ...
  44. Chemistry

    How do we order them considering their solubility? CH4 , NH3 , Cl2 , CO2 Ammonia make H bonds with water,which makes it the most soluble. CH4 only have Vander Valls forces. I've heard Cl2 disdolves in considerable amounts in water. So how do we order them? Cl2
  45. world history

    Why did king john of England sign the Magna Carta in 1215? A.The church forced him to sign it in order to set up the Estates General B.His heirs insisted he sign it in order to establish a line of succession C.The Crusades were bankrupting the country. D.His barons forced him ...
  46. Math (Accounting)

    Reading Foods is interested in calculating its weighted average cost of capital (WACC). The company’s CFO has collected the following information: • The target capital structure consists of 40 percent debt and 60 percent common stock. • The company has 20-year ...
  47. Accounting PLEASE HELP!!!!!!!!!

    Reading Foods is interested in calculating its weighted average cost of capital (WACC). The company’s CFO has collected the following information: • The target capital structure consists of 40 percent debt and 60 percent common stock. • The company has 20-year ...
  48. college/Agricultural policy

    Find the price and quantity that will satisfy the condition fpr static efficiency in the use of water resources given the following demand and supply equations for water: Demand: P=600-Q Supply: P=2+Q
  49. algebra

    Testers drive 8 vehicles 200 miles on a test track at the same speed. The table shows the amount of fuel ea vehicle uses. Find the fuel efficiency in miles per gallon for each vehicle.
  50. physics

    Water flows (v approx. 0) over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades. Calculate the rate at which mechanical energy is transferred to the turbine blades, assuming 53% efficiency.
  51. PHYSICS ---HELP!

    Water flows approx. 0 over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades. Calculate the rate at which mechanical energy is transferred to the turbine blades, assuming 53% efficiency.
  52. Physics

    Water flows approx. 0 over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades. Calculate the rate at which mechanical energy is transferred to the turbine blades, assuming 53% efficiency.
  53. business

    What is the value to the company and the supplier in developing and implementing a Third Party Supplier Relationship Management (3 P.L. S.M.S.) System? How can such a system provide greater efficiency? In 200-250 words, describe the value to the organization.
  54. Chemistry

    Assuming an efficiency of 46.80%, calculate the actual yield of magnesium nitrate formed from 147.9g of magnesium and excess copper(II) nitrate. Mg + Cu(NO3)2 --> Mg(NO3)2 + Cu I can't figure out how to even set this up much less solve it...
  55. physics

    A block and tackle system of 5 pulleys is used to raise a load of 50kg through a height of 20m the work done against friction is 200J.Calculate the work done by effort,the efficiency of the system and the effort applied.
  56. Chemistry

    b)Rubidium Express your answer in condensed form, in order of increasing orbital energy. c)Tellurium Express your answer in condensed form, in order of increasing orbital energy. d)Palladium Express your answer in condensed form, in order of increasing orbital energy. e)...
  57. College Math

    Your small library of books consists of 6 novels, 7 mathematics books, and 1 biology book. Calculate the number of ways to arrange them on a bookshelf for each of these situations. a) The books can be arranged in any order? b The novels must be together but the other books can...
  58. calculus

    . Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be It also determine that the total cost of producing x smartphones is given by a. Find the total revenue, R(x). b. Find the total profit, P(x). c. How many...
  59. COLLEGE MATH PLEASE HELP

    What do i do when order matters!!?!? The Sad State Lottery requires you to select a sequence of three different numbers from zero through 64. (Order is important.) You are a winner if your sequence agrees with that in the drawing, and you are a booby prize winner if your ...
  60. Physics

    A 0.59g mass of Glynnium goes through a nuclear fission reaction. The energy from the process is used to lift a 97211kg Saturn 5 rocket into orbit. If the mass is transformed with 1% efficiency, what height does the rocket reach? Express your answer in kilometers
  61. Chemistry

    Okay so I kinda understand where to put the numbers into the formula but i'm not sure how to calculate the distance so could someone kindly walk me through the problem so i can understand it. Thank you so much. Calculate the amount of energy required for the formation of one ...
  62. chemistry

    Given that S is the central atom, draw a Lewis structure of OSF4 in which the formal charges of all atoms are zero
  63. Organic Chemistry

    Draw the most important resonance contributor of the following structure? I'm confused on this one o / \ double bond -> \\ / - CH+
  64. Biology

    Where do tertiary base pair interactions largely map onto the three-dimensional structure of tRNA? What is their purpose?
  65. Organic Chemistry

    what is the lewis structure for this: CH3OH2+ I tried drawing one but I got my formal charges wrong, and it didn't add up
  66. history

    Compare the colonial empires of Spain, France and England in terms of their settlements, economic structure and political control.
  67. chemistry

    What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride I think 16 but im not sure
  68. us history

    Compare the colinial empire of Spain, France and England in terms of their settlements, economic structure and political control.
  69. biology

    how to label the ecstasy molecular structure plz name each part the formula is C11 H15 NO2 HCl
  70. English

    How is the more direct performative aspect of drama and/or poetry reflected in these forms? structure, language, technique, and style
  71. psychology

    The small structure in the brain that plays a key role in scrutinizing incoming information for its emotional importance is known as the ______________.
  72. writing

    Putting the main ideas in your own words and sentence structure is considered A Plagiarizing Quoting Abstracting Paraphrasing
  73. english

    What grammatical structure is the italicized portion of the sentence? We walked along the mountain path looking for unusual flowers.
  74. Chemistry

    When secondary alcohol oxidized it produces alkanes. Draw the structure of 2,2 dimethyl 3-butanol + oxygen and give the names for it.
  75. Organic Chemistry

    I have the linear formula of CH3CH2OLi and I'm trying to draw the structure with charges. Not really sure how. Please help.
  76. science

    which structure is common to both prokaryotic and eukaryotic cells ? a. mitochondria b. cell membrane c. endoplasmic reticulum d. pladtids
  77. chmistry

    Given that \rm S is the central atom, draw a Lewis structure of \rm OSF_4 in which the formal charges of all atoms are zero.
  78. english

    What grammatical structure is the italicized portion of the sentence? By serving as a popcorn vendor, Don saw many good games. appositive?
  79. biology

    Draw a picture of the structure of an atom that includes all the following: protons, neutrons, electrons, nucleus, orbitals
  80. science

    1.Approximately how long (in days)is the female reproductive cycle?? Describe the structure that is 2.illustrated at the bottom of the diagram .What is it called ?
  81. science

    Which female structure in a flowering plant traps pollen grains? a) pistil b) stigma c) ovary d) anther Answer A
  82. science

    Which female structure in a flowering plant traps pollen grains? a) pistil b) stigma c) ovary d) anther Answer A
  83. science

    in addition to body structure and development, which of the following is used to classify animals? Speed, color, DNA or location
  84. english parallel structure

    When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects.
  85. Biology

    What structures of the embryonic and adult anatomy of manatees and elephants establish the evolutionary relationship between these two animals? manatees evolved from elephants..or elephants evolved from manatees
  86. Math

    A standard deck of cards contains 52 cards. Of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds) and 4 of each type of rank (A – K). Two cards are drawn from the deck and replaced each time back into the deck. What is the probability of drawing ...
  87. chemistry

    how can i tell if a molecule has one of the following features -incomplete octet -expanded shell -odd electron molecule for example BCl3 is incomplete octet but i don't know why also for B when speaking about lewis structures and the octet rules, does it want to have 6 ...
  88. chemistry

    what is the reaction equation when maleic anhydride is combines with granular zinc and HCl propose structures for the products you would obtain by treating fumaric acid, cinnamic acid, and butynedioic acid with zinc and HCl. write balanced equations for the reactions.
  89. Math

    Write an equation showing how much each of you would spend, s, if you evenly split the cost of the combined order. The cost of the combined order was 16.84 dollars. So would the equation be s= 16.84 divided by 2?
  90. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
  91. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
  92. Statistics and Probability

    One six-sided fair die is rolled, and one two-sided fair coin is tossed. If the coin turns up heads, then the number of spots showing on the die is the value (score) for that trial. If the coin is tails then twice the number of spots showing on the die is the value (score) for...
  93. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? I think the answer is B but not sure. a) That there is no reaction force-the net force on the object is ...
  94. Science Question Take 2

    Sorry, my last post got cut off. Here it is again: For my science homework this weekend, I have to write a paper on how crystals absorb and focus the etheric energies of the sun and how they can be used by adepts for the good of mankind. I am having trouble finding scientific ...
  95. Calculus

    At noon of a certain day,ship A is 60 km due north of ship B. If A sails east at 12 km/hr and B sails north 9 km/hr,determine how rapidly the distance between them is changing 2 hrs later. Is it increasing or decreasing?
  96. calculus

    Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false. a- if f is a function of x and y and a is a real number, then f(ax, ay)= af(x,y). b- if fx(a,b) < 0, then f is decreasing with ...
  97. American History 110

    Compare English settlement in the Chesapeake area and the New England in terms of goals, governments, social structures, and religion. What similarities do you find most remarkable? What differences do you find interesting? Which area seems more like old England?
  98. Science

    What do bone marrow and epidermis have in common. A.they are both sites of new cell information B.they both contain structures that assist the body in cooling down if overheating occurs. C.they both contain or are associated with sensory neorons D.they are both involved in ...
  99. help...urgent..calculus..please show tthe way to s

    Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by c(x)=5000+0.6x^2 . a. Find the total revenue, R(x). b. Find the ...
  100. Chem

    The space occupied by any sample of matter is called its __________. volume
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