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

20,908 results, page 97

  1. Chemistry

    The mechanism for the reaction described by NO2(g) + CO(g) ---> CO2(g) + NO (g) is suggested to be (1) 2NO2(g) --->(k1) NO3(g) + NO (g) (2) NO3(g) +CO(g) --->(k2) NO2(g) + CO2(g) Assuming that [NO3] is governed by steady-state conditions, derive the rate law for the ...
  2. Chemistry

    The mechanism for the reaction described by No2+CO--->CO2+NO is suggested to be (1)2NO2--->NO3+NO (2)NO3+CO--->NO2+CO2 Assuming that [NO3] is governed by steady-state conditions, derive the rate law for the production of CO2(g) and enter it in the space below. rate of...
  3. math

    Jeff is replacing the tile on his floor. he pans to use square tiles that are 11 inches on a side. the floor is 8 feet long and 6 feet wide. cabinet in the middle of the floor that will not need tile. this space is 2 feet wide and 3 feet long. estimate how many title will be used
  4. Medical Ethics

    Briefly explain the term Euthanasia? What are the ethical issues/challenges in euthanasia? What is the difference between euthanasia and suicide? Below are my answers. Please help me with the B/second part of the question. A. Euthanasia is the termination of a very sick person...
  5. literature

    Regarding the difference between fiction and nonfiction, which statement is most accurate? A. Nonfiction writers are more often free to move about in time and space. B. Literary fiction does little except inform and specify. C. Nonfiction writers are free to embellish the ...
  6. world history

    3. How did the Soviet Union respond to the normalization of relations between China and the United States? (1 point)Brezhnev invited Nixon to visit Moscow. Soviet companies set up a thriving trade with China. The Soviet Union cut off diplomatic relations with China. The Soviet...
  7. Math

    Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) Calculate how long it will take to erode the entire Ah ...
  8. asessment

    a very young child takes off his socks. the caregiver puts it back on, the child takes it off again repeating it. child is engaged in play (d) (a)functional b. constructive c, rule-based d. dramatic 2. which of the foll. is best suited to a formative assessment of progress? a...
  9. asessment

    a very young child takes off his socks. the caregiver puts it back on, the child takes it off again repeating it. child is engaged in play (d) (a)functional b. constructive c, rule-based d. dramatic 2. which of the foll. is best suited to a formative assessment of progress? a...
  10. U.S. History (Check, Please!) (Ms. Sue)

    1. What two major decisions did the Allies make at Casablanca? A: At Casablanca, the Allies decided to increase the bombing of Germany and attack the Axis on the island of Sicily. 2. What conditions had to be met before Eisenhower could order D-Day to begin? A: Before ...
  11. Japanese

    okay....so in my Japanese class right now, we're currently writing our speeches.. So far, I've come up with: (This is actually in Japanese but I've chosen to write this in English as I'm on a school computer which only allows English characters!) "At first, when I went to ...
  12. accounting and finance

    unadjusted trail balance(December 31,2008)(Bed Bugs R Us Ltd): prepaid rent $8,000 rent expense $24,000 adjusting entry question: 4 months worth of prepaid rent had been purchased on September 1 2007 in an adjacent building to b used as thier office. The rent on this space was...
  13. physical science

    when items float freely inside a space capsule, is it an example of Newton's law #1 or #3? As soon as the astronauts take off their helmets and gloves (after lift-off) in Apollo 13, the gloves float away. So is that an object in motion tends to stay in motion OR every action ...
  14. Starting a day care center

    How do you come up with the starting cost, plus a budget for a new Day Care Center. How do you come up with a estimate of the monthyly expense for one year. Including the lease of office space supplies and other expenses if you have not open up the doors yet. Can some one help...
  15. statistics

    A university has 1000 computers available for students to use. Each computer has a 250 gigabyte hard drive. The university wants to estimate the space occupied on the hard drives. A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of...
  16. Java

    What kind of Math do I need to be proficient in in order to be prepared for a college course in java?
  17. Biology

    Which organism is a third-order heterotroph? To what trophic level does that organism belong?
  18. science

    Need to find the sequence of how an animal cell starts. Need the order
  19. math

    Brookes quiz scores are as followed; 12/20, 12/18, 85%, 5/10 What is the order from least to greatest of the scores?
  20. math

    I NEED TO PUT THESE NUMBERS IN ORDER FROM GREATEST TO LEAST BUT I DON'T KNOW WHAT THE ANSWER IS SO I NEED HELP. 8/4 7/4 5/4
  21. Chemistry

    What are the units for the rate constant for a second and third -order rate law?
  22. math

    order Tegretol 0.2g. Available: Tegretol 100 mg/tab. Dose to be given?
  23. math

    in order to increase the mean of 6 numbers by 3, what would the total sum of the increase be? A. 3 B.9 C.12 D.16 E.18
  24. Chemistry

    what is the rate of a first-order reaction that has a reactant concentration of 1.1M and a rate constant of 0.14/s?
  25. Math Lengths

    order the lengths from least to greatest. 305cm, 31km, 3m, 35dm
  26. Chemisty

    What volume of 12.0 M HCl must be diluted in order to make 250.00 ml of 2.00 M HCl
  27. Math

    What does it mean when it says Roots (order) for a function eg. -x^3-2x^2+15x+36 What i mean is how do you the answer.
  28. psychology

    In cults, followers trade off ______________ in order to gain ______________.
  29. Chemistry

    A second order reaction is 50 % complete in 16 minutes. How long will it take to be 82 % complete
  30. math

    Draw a shape that exhibits rotational symmetry of order 3 and 1 line of symmetry.
  31. Physics

    To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.85 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.85. Each chamber A simulates an acceleration due to gravity of 10.0 m/s2. (a) Find rA. _____m (b) ...
  32. physics

    A space habitat for a long space voyage consists of two cabins each connected by a cable to a central hub as shown in the figure below. The cabins are set spinning around the hub axis, which is connected to the rest of the spacecraft to generate artificial gravity. (a) What ...
  33. chemistry/toxicology/instrumental analysis

    A standard curve was produced using absorbance values of prepared standards obtained by UV spectrophotometry. The standards were made using concentrated hydrochloric acid as opposed to the 1N HCl that the lab manual says should be used. Because of this my absorbance values are...
  34. Chemistry

    1. The eleent gold, Au, has a face-centered cubic structure. (Density - 19.3 g/cm^3) (a) What are the # of gold atoms in 1 unit cell? (b) What are the # of unit cells in 1 mol? (c) What is the volume of 1 mol gold unit cells? (d) What is the volume of 1 unit cell? (e) what is ...
  35. Calculus

    In a right triangle, the hypotenuse is of fixed length of 15 units, one side is increasing in length by 4 units per second while the third side is decreasing in size. At a certain instant the increasing side is of length 9 units. Find the rate of change of the third side at ...
  36. math vectors

    Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-space to show that Vector a×(Vector b × Vector c) is not equal to (Vector a × Vector b) × Vector c. Can you help me think of an example im having ...
  37. Gyroscopes/Physics

    Which of the following best describes the motion of a working gyroscope moving through space? a. the gyroscope both translates and rotates b. the gyroscope rotates, abut does not translate c. the gyroscope neither translates nor rotates d. the gyroscopes translates, but does ...
  38. Physics

    a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day, the water has to be ...
  39. math-computer

    Please help me do this question!!!!! (C): 116.98GB Assuming a disk should never get more than 85% full, and assuming you were generating 200MB of new data per week, at what point would you need to add another hard disk to this PC? How long until you have to add more storage ...
  40. Science -Check Answers-

    # 2. When __________ forces act on an object, they cause the object to move. •Balanced •Unbalanced (?CORRECT?, MY ANSWER) •Friction •Net # 4. Which of the following terms BEST describes the scenario below? A meteor moving through outer space continues to move on the ...
  41. math (5)

    The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
  42. polarity

    could you put these in order of polarity please: fluorenone, fluorenol and fluorene. Thanks
  43. English

    In explanatory writing what are spatial words. (vs. time order words)?
  44. Math

    Solve the equation using order of operations. -22+105+(-37)+23+22+37+(-105)
  45. math

    what is the correct order of operations for calculations of basic math problems?
  46. Math

    If Im naming fractions are these fractions in the right order from least to greatest? 1/4 1/3 1/2?
  47. fractions

    list the fractions 1/4,3/8,2/6 in order from least to greatest writen in 8ths.
  48. Algebra

    Why do students have to pass an algebra course in order to graduate highschool?
  49. Chemistry

    How much 3M HCL will be used in order to prepare 250ml of 1M HCL
  50. Math HELP please!

    Order the rational numbers from least to greatest: 0.42, - 1/2, 11/20, - 0.51. - 0.51, 0.42, - 1/2, 11/20 - 0.51, - 1/2, 0.42,11/20 - 1/2, - 0.51, 0.42,11/20 - 1/2, - 0.51, 11/20, 0.42 PLEASE HELP
  51. Mathematics

    order of operation 16 divided by 4 . 2= I just did 16 divided by 4 which is 4 then multiply it by 2 which is 8 Am I right
  52. Hardy Weinberg: Biology

    Can someone explain how to answer these questions given the different variables given? I have a test soon. Dr. Martin Brenner and his team have built a space ship which can travel at the speed of light (186,000 miles per second) and travel to parallel dimensions. Dr. Brenner ...
  53. English Plz Help

    1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem “In Response to Executive Order 9066”? A. It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. B. It will be a letter ...
  54. Foreign Languages

    Proofread Please!!! ¡El acontecimiento que ha ocurrido hoy eso ha dado lugar a este día que era extraordinario ha sido que he conseguido presentes porque es mi cumpleaños hoy! Hoy en la universidad de Carolina del Norte en la colina de la capilla mis amigos me lanzaron una ...
  55. biology

    What is the revelence in the order of development of the foetal nervous system before the cardiovascular system?
  56. math

    If i have a number line and the numbers i am to place on it are -2,-1,0,1,2,2.3,3,4,5,sqrt of 8,and sqrt of 36, what would the order be?
  57. natural log

    I need to solve for k'eq: -13.8= -2.479 ln k'eq -11.321= ln k'eq How do I get the ln out of the way in order to solve for k'eq? thanks!
  58. Chem II

    A first-order reaction is 35.5% complete in 4.90 minutes. The rate constant of the reaction is _____
  59. chemistry

    a first order reaction has a rate constant of 7.5 x 10^-3/s. The time required for th reaction to be 60% complete is
  60. literature

    Emphasizing the importance of order, law, discipline, and tradition is typical of _______ literature
  61. Math

    input x - -1, 0, 1, 2 output y - 3, 4, 3, 0 In that order, is y a function of x? I'm pretty sure it is, but I'm not entirely sure how to explain why. Thank you!
  62. Chemistry

    list in order from most ionic to most covalent kbr, Hcl, NaF, N2,
  63. algebra

    2r-9s=-24 9r+2s=62 the quest asks to write a order pair or tell if there is infinitely solutions or no solutions. can you help
  64. math

    Ok we have to graph a step function. I am given y=[-5x]. How do I write the chart for this in order to graph it?
  65. math

    if bill has 11 fiends for pizza each person gets 1/4 a pizza how many pizzas should he order
  66. chemistry

    In order to dilute 1L of 6M solution of NaOH to .5M solution, how much water must be added?
  67. math

    Help!! how do you make two numbers with decimals into compatible numbers in order to divide them???
  68. maths

    What number should be repalced with * in order to make the number 48732*637984 divisible by 9
  69. Math

    Karen has an 86% average after 4 grades, what grade does she need to get in order to bringer average up to an 88%?
  70. Math

    By what factor should each edge of a cube be increased in order to increase its volume by a factor of 27? a.) 27 b.) 9 c.) 3 d.) 2
  71. math $$

    The graph of 5x-2y=10 intersects the x-axis and y-axis what are the order pairs for these two points of intersection? A.(2,0) and (0,5) B.(2,0) and (0,-5) C.(-2,0) and (0,5) D.(-2,0) and (0,-5)
  72. math $$

    The graph of 5x-2y=10 intersects the x-axis and y-axis what are the order pairs for these two points of intersection? A.(2,0) and (0,5) B.(2,0) and (0,-5) C.(-2,0) and (0,5) D.(-2,0) and (0,-5)
  73. math

    what would be the order from greatest to least 0.181, 0.38 , 0.139, 0.319 . any help would be appreciated. TY
  74. statistics

    do we need to calculate z in order to use the critical value like we did when we calculated the p value?
  75. Science

    In humans having dimples is a dominant trait. in order for a child to have dimples...? I don't know D: xD
  76. idp

    the rate 4decompositio of ammonia on plantinium surface is zero order what is the rate of production of H2
  77. math

    When a situation can be modeled by a linear equation, what information do you need in order to find an equation?
  78. Geometry

    The side lengths of an equiangular octagon are $1$, $2$, $3$, $4$, $1$, $2$, $3$, and $4$ in clockwise order. Find the octagon's area. I don't know how to do this.
  79. math

    When a situation can be modeled by a linear equation, what information do you need in order to find an equation?
  80. math

    You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40% salt-solution, how many ...
  81. Calc

    You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40% salt-solution, how many ...
  82. Physics (College)

    Driving on asphalt roads entails very little rolling resistance, so most of the energy of the engine goes to overcoming air resistance. But driving slowly in dry sand is another story. If a 1200 kg car is driven in sand at 5.2 m/s, the coefficient of rolling friction is 0.06. ...
  83. physics

    A laboratory centrifuge on earth makes n rpm (rev/min) and produces an acceleration of 3.30 g at its outer end. This centrifuge is now used in a space capsule on the planet Mercury, where g mercury is 0.378 what it is on earth. How many rpm (in terms of n) should it make to ...
  84. Physics

    A parallel-plate capacitor is constructed with circular plates of radius 5.6×10−2 m . The plates are separated by 0.27 mm , and the space between the plates is filled with a dielectric with dielectric constant κ. When the charge on the capacitor is 1.9 μC the ...
  85. Art

    judging from this architectural structure, which of the following is not one of its main roles of art? A. creation of entertainment B. aesthetic representation C. financial incentive D. historical/ cultural representation what is the main role of this peace of art work? A. ...
  86. statistics

    An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8-year period (n = 423) with the following results, with dependent variable Year...
  87. geometry

    A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of ð.)
  88. math algebra

    At your local bar, chicken wings cost $0.30 a piece on Thursday night. Sriacha Ranch dressing (enough for 10 wings), cost $0.10 per serving. A pitcher of of ice tea cost $7.50 and a serving of celery cost $2.50 . Tax in your part of LA County is 8.5% and the standard tip rate ...
  89. math

    On the last school day of the first grading period Michael learns his final grade for each class. If order is not important and we know he has earned at least 1 of each of the 5 letter grades, what is the total number of combinations of 7 final grades (one for each class) that...
  90. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3400 kg space tug and a 6000 kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 420 m apart...
  91. Web application development JSP

    Below is the following jsp code for a homework assignment im working on. Im allow four input text fields in which a customer can enter the amount of each fruit they want to buy, a submit button, and a reset button. After a customer placed an order, a page should be generated ...
  92. science

    An object with mass 110 kg moved in outer space. When it was at location < 11, -35, -7 > its speed was 17.5 m/s. A single constant force < 230, 420, -230 > N acted on the object while the object moved to location < 16, -41, -13 > m. What is the speed of the ...
  93. statistic

    Three Children – A couple are planning to have 3 children. What is the sample space for three children? (What are all the possible outcomes for three children? Assume that boys and girls are equally likely, so that the sample events are equally likely.
  94. Math (Data Management)

    The student council is ordering pizza for their next meeting. There are 20 council members, 7 of whom are vegetarian. A committee of 3 will order 6 pizzas from a pizza shop that has a special price for large pizzas with up to three toppings. The shop offers 10 different ...
  95. SCIENCE/MATH

    Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to erode the entire Ah ...
  96. Homework help plz( Steve or Reiny)

    Determine if the number is written in scientific notation. If not, explain 32 * 10^4. (1 point) No; it is not written as a power of 10. No; the first factor is not a number between 1 and 10. Yes; the number is written in scientific notation. Determine if the number is written ...
  97. calculus

    An automobile computer gives a digital readout of fuel consumption in gallons per hous. During a trip, a passenger recorded the fuel consumption every 5 minutes for a full hour of travel. time: 0 / gal/h: 2.5 time: 5 / gal/h: 2.4 time: 10 / gal/h: 2.3 time: 15 / gal/h: 2.4 ...
  98. Technology

    24. Explain the differences between the four major types of bridges. Include as part of your answer which bridge structure is the stronger. A bridge is a constructed structure vital for transportation. There are two types of bridges: fixed and movable. A fixed bridge does not ...
  99. OCHEM

    What would be the effect of decrease the carrier gas flow rate, raise the column temp, have on the retention time? What would be the effect of raise the column temp and decrease the carrier gas flow rate on the ability to resolve two closely spaced peaks? For the first ...
  100. english

    I am working on identifying and classifying infinitives. It asks how the infinitive is used whether as a noun, adjective or adverb. Can you please check my homework for corrections? Thank you so much! 1 Tamisha's ambition is to teach. noun (to teach) 2. To persist can ...
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