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

21,138 results, page 51
1. ## Chemistry

asked by Chironjit on November 26, 2012
2. ## ACC350

Operations deals with how the company is performing. Operations may be refined into different manufacturing processes such as design, material acquisition, assembly, testing and so on. A VP of operations has asked you to make recommendations at the weekly

asked by new things on November 16, 2009
3. ## math

A car skids to a stop, leaving four skid marks with an average length (D) of 60 feet. The road is asphalt. Skid tests reveal a drag factor(f) of 0.75. Since all four wheels were braking, the braking efficiency (n) is 100% or 1.00. To the nearest mile per

asked by Matthew on October 2, 2018
4. ## Chemisdtry - Lewis Structures (check + help)

Draw Lewis structures for each of the following ion: CO3 (2-) I tried this method below, i do not know where am i going wrong, please help me understand this concept for ions. Valence Electrons 4e- + 18e- = 22e- Noble gas Config 8e- + 24e- = 32e- Total

asked by Farah on February 13, 2011

How does the internal structures of earth's density compare to the lithosphere's density? It is a lot greater, a little greater, a lot smaller or a little smaller?

asked by Mary Grace on January 4, 2009
6. ## algebra

You are planning an ornamental garden that has a total area of 200 square feet. There are two sizes of ornamental plants you have chosen for your garden. Each small plant requires 2.5 square feet of space and each large plant requires 8 square feet of

asked by eve on November 26, 2012
7. ## about microsoft office word

I'm typing my research paper and I'm going to indent the left,right, top, and bottom by 1 inches. what am i going to do? i have another question, how will I double space it?

asked by james on May 15, 2008
8. ## geometry

A number is selected at random from the set {2, 3, 4, … 10}. Which event, by definition, covers the entire sample space of this experiment?

asked by cfd on July 24, 2014
9. ## Accounting

The company rents office space and on December 1 had paid 7200 to the landlord for 12 months' rent in advance.

asked by Danielle on September 10, 2016
10. ## Calculus

If the space below, provide the smaller of the two positive integers that add 30 and have the largest possible product. Numerical Answers Expected!

asked by Alice on December 19, 2018
11. ## math

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75

asked by DeeDee on May 28, 2013
12. ## science

how come there is a blackout period when the space shuttle goes behind the moon? Is it because radio waves can be transmitted through a solid object or through a vacuum or why?

asked by anonymous on January 1, 2011
13. ## Physics

If a space station must "provide one sixth the magnitude of the acceleration due to gravity on Earth" Can I use 9.81ms^-2/6 or is that too simple? Thanks.

asked by charlie on October 9, 2008
14. ## statistics

A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4

asked by DeeDee on May 26, 2013
15. ## math

verify The set of all 2 × 2 invertible matrices with the standard matrix addition and scalar multiplication is a vector space or not?

asked by tasbeer on October 31, 2017
16. ## College Physics II

Consider a region in space where a uniform electric field E = 7450 N/C points in the negative x direction. What is the distance between the +13.1 V and the +14.1 V equipotentials?

asked by VJC on September 15, 2010
17. ## Physics

What is the gravitational field strength at a place 220km above Earth's surface, the altitude of many piloted space flights?

asked by Bobbie on October 14, 2008
18. ## Science ASAP

How does the C horizon form? A) color and chemistry B) texture and pure space C) decayed organic matter D) oil

asked by Mileena on December 6, 2013
19. ## physics

Peter Pan is suspended in space. He throws an entire jar of pixie dust to his left. Which way does he move?

asked by Anonymous on February 7, 2018
20. ## Math/Statistics

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75

asked by Nora on May 29, 2013
21. ## science

earth appears to be mostly blue when viewed from space because it is mostly covered by ? a) water b) oxygen c) carbon dioxide d) ozone

asked by victoria on November 8, 2013
22. ## Marketing

What is the impact of the competition in Internet space and how challenging it is and going to be for marketers to effectively compete for market share and customers?

asked by Tammie on August 31, 2010
23. ## AP physics

suppose that the surface (radius=r) of the space station is rotating at 35.8 m/s. what must be the value of r for the astronauts to weigh one-half their earth weight?

24. ## Math

Find flash cards having odd numbers from 11 are shuffled well and one card is drawn from if . Write the sample space.

asked by Anonymous on February 4, 2019
25. ## Science - Weather

Describe what would happen to the temperature on Earth if the amount of energy reflected back to space a) increased to 80% b) decreased to 5%

asked by Kate on May 21, 2009
26. ## Caculas

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr,

asked by matthew on December 16, 2011

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr,

asked by math on December 15, 2011
28. ## math

A spring is attached to the ceiling and pulled 6 cm down from equilibrium and released. After 4 seconds the amplitude has decreased to 3 cm. The spring oscillates 15 times each second. Assume that the amplitude is decreasing exponentially. Find an equation

asked by amira on November 2, 2015
29. ## calculus

f(x)= x^3/x^2-16 defined on the interval [-19,16]. Enter points, such as inflection points in ascending order, i.e. smallest x values first. Enter intervals in ascending order also. What are F(x) TWO vertical asympototes? F(x)is concave up on the region

asked by mkcolema on March 17, 2009
30. ## Chemistry URGENT

I have to match the items to the statements below, and I'm stuck! My answers are in parentheses, but I know that some of them are wrong. Please help if you know how...I would GREATLY appreciate it! A Dilute B Unsaturated C Saturated D Supersaturated 1.

asked by Lindsay on April 24, 2007
31. ## ELA

Which of the following pairs of poetry elements best help the reader to identify the poem's tone? 1. Rhyme and rhythm 2. Structure and theme 3. (Connotation and denotation) 4. Speaker and line length

asked by Help I need somebody not just anybody on January 31, 2017
32. ## ELA

Which of the following pairs of poetry elements best help the reader to identify the poem's tone? 1. Rhyme and rhythm 2. Structure and theme 3. (Connotation and denotation) 4. Speaker and line length

asked by Help I need somebody not just anybody on January 31, 2017
33. ## chemestry

draw the Lewis structure for the following compounds,and predict the molecular shapes. a) water,H2O b)Oxygen gas,O2 c)Ammonia, NH3 d)Ammonium ion,NH4

asked by irfan on June 3, 2013
34. ## organic chemistry

Provide a structure for the following compound: C9H10O3; IR: 2400–3200, 1700, 1630 cm–1; 1H NMR: δ 1.53 (3H, t, J = 8 Hz); δ 4.32 (2H, q, J = 8 Hz); δ 7.08, δ 8.13 (4H, pair of leaning doublets, J = 10 Hz); δ 10 (1H, broad, disappears with D2O

asked by Joseph on February 20, 2015

When drawing a kekule structure for CH3CH2OH(alcohol) do I leave the OH at the end just like it is (OH) or would it be shown as O-H? I know that to start of it would be -C- with an H on the top and the bottom as well as the left side and then connected to

asked by Hannah on September 11, 2012
36. ## science

Help me please looked everywhere T- the skeletal system consists of 206 bones H- helps protects the body E- S-support K- E- L-ligaments E- T-tendons A- L- S-skeleton Y- S-shape and structure T- E-exercise M-

asked by Anonymous on September 22, 2015
37. ## Chemistry

Use principles of atomic structure to Explain why in aqueous solution, (a) potassium forms 1+ but not a 2+ ion (a) Ti3+ is colored but Sc3+ is not. (b) Ti2+ is a reducing agent but Ca2+ is not.

asked by Lily on October 20, 2012
38. ## Science

Which of the following is the minimum level of structure needed to preform the function of waste removal? A. Body System B. Tissue C. Cell D. Organ I chose A for my answer, is it correct? Thanks. :)

asked by SandpitTurtle on January 22, 2014
39. ## organic chemistry

Provide a structure for the following compound: C9H10O3; IR: 2400–3200, 1700, 1630 cm–1; 1H NMR: δ 1.53 (3H, t, J = 8 Hz); δ 4.32 (2H, q, J = 8 Hz); δ 7.08, δ 8.13 (4H, pair of leaning doublets, J = 10 Hz); δ 10 (1H, broad, disappears with D2O

asked by Joseph on February 19, 2015
40. ## science

Relate their structure of a neuron to the anatomy of the cerebral cortex and spinal cord. Be sure to discuss the locations of soma, axons, dendrites, and supportive cells in each area.

asked by no need to worry on October 29, 2012
41. ## chemisry

A solid metal is described as having "AN ARRAY OF POSITIVE IONS IN A SEA OF ELECTRONS". Write down the electronic structure of a magnesium atom and use it to explain what this PHRASE means? can you please help me with this question thanks

asked by abdul ali on August 20, 2012
42. ## AP Chem

An aqueous solution contains 4.50 g of calcium chloride, CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions, Ca^+2, and chloride ions, Cl^-, in the crystal go into the solution. What is the molar

asked by Anna on November 3, 2008
43. ## life science

An organism's ability to maintain steady internal conditions despite changes in its external environment is called biogenesis homeostasis osmosis respiration In an organism, a virus enters, and reproduces within, a(n) host cell infection interferon

asked by joe on May 12, 2010
44. ## physics

A boy is pushing his sled up a snowy slope. The sled has a mass of 20.4 kg and weighs 200 N. The boy pushes with a constant force of 75 N. The sled travels a distance of 10 m and gains 3 m in height. When the sled reaches the top, it is traveling 2 m/s.

asked by bill on March 27, 2013
45. ## Chemistry

A can of soda has the total volume of 350ml. This can is open and only contains atmospheric air, and is placed within a furnace 100 ° C. After the can achieve this reduced temperature at 25 ° C. With decreasing temperature, there is a reduction of the

asked by Kelly on January 22, 2016
46. ## Algebra

A print shop makes bumper stickers for election campaigns. If x stickers are ordered (where x < 10,000), then the price per sticker is 0.28 − 0.000002x dollars, and the total cost of producing the order is 0.087x − 0.0000005x2 dollars. Use the fact

asked by miriam on July 21, 2015
47. ## Early Child Ed.

Would you please check these questions and my answers? If they are wrong-- please let me know. 1. Early childhood professionals know that the beginning step in assisting non-mainstream children to develop literate style oral language is to: A) identify

asked by Anonymous on November 9, 2007

f(x) = \frac{ x^3 }{ x^2 - 25 } defined on the interval [ -18, 18 ]. Enter points, such as inflection points in ascending order, i.e. smallest x values first. Enter intervals in ascending order also. The function f(x) has vertical asympototes at (? )and

asked by Anonymous on November 4, 2014
49. ## Physics

A wind turbine has blades that sweep an area of 2000m2. It converts the power available in the wind to electrical power with an efficiency of 50%. What is the electrical power generated if the wind speed is 10ms–1? (The density of air is 1.3 kg m–3.)

asked by Me on June 3, 2014
50. ## science

Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack?

asked by Anthony on March 14, 2017
51. ## Differential Calculus

The base of an isosceles triangle is 10 feet long and the base angles are decreasing at a rate of 2° per second. Find the rate of change of the area when the base angles are 45°.

asked by Serena on May 11, 2016
52. ## Math

The length, l mm of an elastic string at time t seconds is given by l=t^3 / 3 - 4t +10 Find the instants (that is, the value of t ) when a) The length is increasing at a rate of 5 mm/Sec b) The length is decreasing at a rate of 4 mm/Sec

asked by Aaqib zaman on January 28, 2015
53. ## Calc

For the function f(x) = 5x^6 + 6x^5 - 15x^4 a.) find where the function is increasing & decreasing b.) find where the graph if concave up & concave down c.) name all inflection points d.) find all relative extrema

asked by Amy on February 6, 2011
54. ## phy

An engine absorbs 2000j of heat from a hot reservoir and expels 750j to a cold reservoir during each poerating cycle, (i)what is the efficiency of the engine (ii)How much work is done during the cycle? (iii)What is the power output of the engine if each

asked by kate on July 4, 2013
55. ## Chemistry

What is the difference between an amino acid and a protein? How does this difference in structure affect biological function?

asked by Laura on February 23, 2009
56. ## English

I have to do a plot outline, can someone tell me, "what the traditional pyramidal structure to map the important parts of the plot" is?

asked by Michael on January 26, 2008
57. ## American Government, Lesson 1 Unit 3

When the Framers created the legislative branch of government, why did they decide that this branch would have a bicameral structure?

asked by Samantha on October 10, 2016
58. ## Engllish Grammar

Help me to identify the sentence structure of this sentence. "Holmes is called in to help solve a mysterious problem"

asked by Ram on March 23, 2011
59. ## English

The family structure is by far the greatest cause of people's social dysfunctioning. do you agree or not agree with this statement and why?

asked by priya on November 11, 2008
60. ## English

1. She helped it happen for me to drive a car. 2. He let it happen to break the window. (What about these sentences? Can we use these structure?)

asked by rfvv on November 3, 2016
61. ## chemistry

convert the condensed formula to a complete and skeletal structure of the following formula (ch3)2chch2ch3

asked by hensha on November 1, 2014
62. ## organic chemistry

Looking at a diagram of cortisone, where are all the stereocenters? I know there are 6 of them, I just don't know where they are in the structure. Sorry I can't provide a diagram, but I'm sure they can be found online.

asked by Dre on February 7, 2011
63. ## science

I am in seventh grade. I need to draw the structure of a lipid, protein, carbohydrate. Is there a simple way to draw these? Thank you.

asked by rochelle on October 25, 2008
64. ## Chemistry

What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-

asked by rose on August 7, 2013
65. ## Chemistry

The order of the boiling points for the hydrogen halides, except for HF, is HI > HBr > HCl. The reason for this order can be attributed to a) the relative covalent bond strengths. b) differences in hydrogen bonding. c) differences in dipole-dipole

asked by Ashley on January 31, 2012

Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule: Order Total Ship within USA Ship to Canada Less than $50.00$6.00 $8.00 asked by Anonymous on February 10, 2014 67. ## progamming concepts Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule: Order Total Ship within USA Ship to Canada Less than$50.00 $6.00$8.00

asked by Edgar on April 29, 2014
68. ## programming concepts

Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule: Order Total Ship within USA Ship to Canada Less than $50.00$6.00 \$8.00

asked by Anonymous on February 10, 2014
69. ## finance

why is WACC important to an organization? b. What impact does WACC have on capital budgeting and structure?

asked by kim wilson on October 29, 2007
70. ## Science

How does this ( hypotheses) study compare to scientists who study the structure of the atom or evolution?

asked by Kaity on September 17, 2008
71. ## Physiology

Compare and Contrast the structure and function of the epithelium of the skin and the epithelium of the intestion

asked by ivy on May 14, 2011
72. ## Chemistry

Why, in terms of atomic structure, is the radius of an Na atom larger than the radius of an Na+ ion?

asked by danny123 on November 20, 2010
73. ## chemistry

Draw the line structure for the compound: 2,5-dimethyl-3-hexane I believe the compound is C8H16...i am not sure!! :(

asked by annonymous on January 30, 2011
74. ## social studies

1.The new structure of the government will lead to tyranny. (5 points) Federalists Anti-Federalists

asked by aliyah on November 10, 2012
75. ## Organic Chemistry

Draw the structure of: (E)-1,2-dibromo-3-isopropyl-2-hexene Can this please be explained, I don't know how to draw it.

asked by Bebo on February 7, 2010
76. ## chemistry

Draw the line structure for the compound: 2,5-dimethyl-3-hexane I believe the compound is C8H16...i am not sure!! :(

asked by annonymous on January 30, 2011
77. ## Technology for Biobased Products

QA.A bio-PDO production process will also produce microbial biomass. A huge surplus biomass of roughly 10% of the PDO mass should be expected. A good use of this microbial biomass could be food of feed. Which organism properties disqualify their use in

asked by Ann on November 4, 2014
78. ## CIS

Chocolate Delights Candy Company manufactures several types of candy. Design a flowchart using Visual Logic for the following: A program that accepts a candy name (for example, “ chocolate-covered blueberries”), price per pound, and number of pounds

asked by Rose on August 11, 2013
79. ## chemistry

The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons

asked by Anonymous on April 2, 2013
80. ## chemistry

The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons

asked by Anonymous on April 2, 2013
81. ## Calculus

In the case of a decreasing, concave down parabola in the intervals 0 to 1 with all of the y values positive, would the actual area be less or more than the estimated area using the trapezoid rule? And would it be less or more than using the midpoint rule?

asked by Kait on April 8, 2018
82. ## Physic II

a carnot heat engine operates between reservoirs at 550K and 300K, discarding 1500J of heat in each cycle. A) What is the engine's efficiency? B) How much heat is supplied to the engine by the hot reservoir in each cycle?

asked by rujiye on April 30, 2014
83. ## chemistry

Choose the correct integrated rate law for each reaction order.? Choose the correct integrated rate law for each reaction order. Reaction Order Answer zero ____ first _____ second _____ a. l/[A]t = kt + l[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = –kt +

asked by amy on May 15, 2008
84. ## science

Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am

asked by Anthony on March 14, 2017
85. ## Social Studies

What are the differences and similarities of the social structure and family values of persons from Bosnia and persons from Poland?

asked by Sandy on February 25, 2011
86. ## English

What is the difference in academic papers and memos? How does it affect the tone and structure of the two papers? Im stuggling with this assignment. Please help.

asked by Joe on March 6, 2010
87. ## criminal law

conspiracy is an ______ crime a. accessory after the fact b. general intent c. specific intent d. structure is it B

asked by john on October 26, 2011
88. ## chemisstry

1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.

asked by lisa on January 8, 2012
89. ## Eng B

Beyond tone, a poet's attitude toward his or her subject reveals to us a poem' A. structure. B. theme C. diction D. subject It's "B"

asked by Gen on May 4, 2013
90. ## Organic Chemistry

Draw the most important resonance contributor of the following structure or compound. I'd think that the double bonded carbon would be the most important? Am I right? Thank you! h t t p : / / a c e o r g a n i c. p e a r s o n c m g. c o m / e p o c h - p

asked by MacKenzie on September 16, 2012
91. ## chemistry

Carbon reacts with chlorine and hydrogen to form the compound CH3Cl. (a) Construct the structure of CH3Cl.

92. ## science

because they are the simplest units of structure and function capable of life, cells are often called the ______ of life.

asked by cassie on March 26, 2008
93. ## literature

beyond tone a poets attiude toward his or her subject reveals to us a poems A.diction B.subject C.structure D.theme

asked by Anonymous on July 22, 2012
94. ## Poetry

Beyond tone, a poet's attitude toward his or her subject reveals to us a poem's A. subject. B. structure. C. diction. D. theme.

asked by Linda on October 15, 2011
95. ## Chemistry

What is the name of the structure and the formal charges? All unshared valence electrons are shown. :O:: | H3C-N-CH3 | CH3

asked by Anonymous on November 12, 2012
96. ## chemistry

1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.

asked by lisa on January 8, 2012
97. ## biology

1) I can't finish my homework due to this one question, please tell me where I can find this question, thanks! What are levels of protein structure of Angiosperms?

asked by Jessica on February 14, 2012
98. ## Literature-Help me Ms. Sue

Beyond tone a poet's attitude toward his or her subject reveals to us a poem's? A. theme B. subject C. diction D. structure I think it's A.

asked by Unmei on July 3, 2014
99. ## science

Sorry to ask again, but I really need to know this answer. What structure in a plant helps it to move...water or sugars?? We think that it is water..but are not 100%. Thanks, 1234

asked by 1234 on December 17, 2009
100. ## English

Scholarly articles contain loosely related paragraphs, without a formal structure. True False I say False

asked by Tim on October 1, 2016