Rank the crystal lattice structures in order of decreasing efficiency of space in the structure.
20,916 results, page 57

Calculus
Suppose that f(x)=3x^3+3x. Find all critical values of f. Then use interval notation to state when f(x) is increasing and when f(x) is decreasing and to state when f(x) is concave up and concave down. Find the local maxima and local minima. Find all vertical and horizontal ... 
College Algebra
1.Answer the following for the given quadratic function. f(x) = 2x^2  8x  13 (a) does the graph of f open up or down? (b) what is the vertex (h,k) of f? (c) what is the axis of symmetry? (d) what are the intercepts? (e) how is the graph suppose to look for this question? (f... 
physics
A hard rubber ball, released at chest height, falls to the pavement and bounces back to nearly the same height. When it is in contact with the pavement, the lower side of the ball is temporarily flattened. Suppose the maximum depth of the dent is on the order of 1 cm. Compute ... 
early childhood
neurolinguists is best defined as 1 .the study of langage complexity 2.a branch of speech theory 3. the study of linguists and brain structure and function 4. the study of language acquisition . Is 3 correct 
organic chemistry
Apart from the fact that between the two structures, only cyclohexe4enecis1,2dicarboxylic acid has the OH group shown on the IR spectrum. In what other majors way will the IR spectrum of cyclohex4enecis1,2dicorboxylic anhydride differ from the IR spectrum of ... 
Ferdinand Marcos University
What are the condensed structure of each of the following: a.)2pentene b.)1chloro 3 metyl 2 pentene c.)3 methyl 1 butyne d.)2,3dimethyl pentane e.)2 ethyl 1 methyl hexane 
biology
Draw a picture of the structure of a water molecule that includes all of the following: hydrogen, oxygen, partial positive charge(s), partial negative charge(s) 
Chemistry
Give the formal change on the sulfur atom in a Lewis structure for the sulfate ion in which every atom satisfies the octet rule. 6 v.e  4 v.e. = formal charge of +2? 
physics
A child is sitting on a stationary skateboard with a pile of rocks which she throws in one direction in order to make the skateboard travel in the opposite direction. If the rocks each have a mass of 0.95 kg and she can throw them with a speed of 19 m/s relative to the ground... 
Algebra
Order the group of quadratic functions from widest to narrowest graph. y = 3x^2;y=5x^2;y=7x^2 Order the group of quadratic functions from widest to narrower graph. y = 1/3x^2;y=2/3x^2; y = 3/2 x^2 
accounting
Write a 700 to 1,050word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is willing to give you the capital needed for the first year of your business, but only if you can convince them you ... 
Math
In order to get to school carly must first take take a bus 12 miles due east. she then gets off that bus and take another bus 9 miles due north in order to reach the school building. if there were a single bus traveling northeast that could take directly to the school from ... 
physics!
howdy, just cant seem to get this question, can anyone express this question in words i can get?! thanks A sound wave of wavelength 0.8 m divides into two equal parts that recombine to interfere constructively, with the original difference between their path lengths being r2... 
Science
The Millennium Force is the highest roller coaster in North America. It reached a maximum height to 94.5 m. The total mass of the roller coaster car and its passengers is 1380 kg. The speed of the roller coaster is 41.1 m/s at its lowest point on the tracks. What is the ... 
human services
A budget systems model is the foundation from which budgeting systems can be used to evaluate the success of an agency or company. How are performance budgeting systems used to evaluate the efficiency and effectiveness of a human service agency? Why is this important? 
CHEM
One other question that I am really not 100% sure on: how do I draw the electrondot structure for: CHClO. I "think" that CHClO is a trigonal planar molecule, with the central atom being carbon. Is this correct? 
Chemistry
1. Chemistry is the study of the composition, structure and properties of substances. F? 21. Which is found in the nucleus Protons or neutrons? 27. Copper metal is: a. poor conductors b. brittle c. malleable C? 44. What is the charge on most polyatomic ions?  Negative ... 
ENG125
how is the more direct performative aspect of drama and /poetry reflected in these forms? for example, each genre's uses of literary structure, language, technique, and style. How do these literary elements affect your reading experence? 
Political Science
What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear? 
Political Science
What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear? 
Chemistry
How would I go about creating a Lewis Dot structure for the Calcium Carbonate and Magnesium Hydroxide? I know how to do it for any compound with two elements such as SF5, but I don't know how to approach it when there's a polyatomic ion involved and there are three elements. 
biology
Briefly describe the structure and function of three different cellular systems that combine proteins along with necessary RNAs to catalyze covalent bond formation and/or hydrolysis reactions (i.e., function as ribozymes)? 
organic chem
Amide formation: draw the structure (or provide the IUPAC name) of the amide formed (appropriate coupling reagent required) between benzoic acid and Nethyl ethanamine (diethyl amine) 
economics
Clearly explain the different market structure and how they determine the degree of competition among firms and how they maximise profits in the short run and long run Cite the source within the text and bibliography 
cultural diversity
Using the “thinkpairshare” structure is a great strategy to reach students with which learning style? A. Visual/Verbal B. Active/Reflective C. Sensory/Intuitive D. Sequential/Global I think C 
calculus
Bacterial Population: A bacterial colony is estimated to have a population of P(t)=(24t+10)/(t^2+1) Million t hours after the introduction or a toxin. At what rate is the population changing in 1 hour after the toxin is introduced (t=1)? Is the population increasing or ... 
science
ogranelle that modifies,packages and transport material out of the cell describes an organism that can exist onlly as a group of cells one of the structures a cell uses t o live ,grow and reproduce Why have you posted all these questions under different names? Why have you not... 
Chemistry
A farmer wants to capitalize on the amount of sunlight shining on his farm everyday by building a solar power tower. The manufacturer\'s specifications state that the solar tower has 5.0 × 101 heliostats, each with an area of 2.10 m2. If the total amount of solar power ... 
English
Can someone tell me what is the diction and the syntax of this is? "I stood up nervously, wondering what it could be. I felt my classmates' piercing eyes as I mechanically left the classroom. Teacher Hou walked ahead of me without seeming to notice my presence. I followed ... 
physics
At a certain location, the solar power per unit area reaching Earth's surface is 200 W/m^2, averaged over a 24hour day.If the average power requirement in your home is 2.8 kW and you can convert solar power to electric power with 8.0 % efficiency, how large a collector area ... 
physics
At a certain location, the solar power per unit area reaching Earth's surface is 200 W/m^2, averaged over a 24hour day.If the average power requirement in your home is 2.8 kW and you can convert solar power to electric power with 8.0 % efficiency, how large a collector area ... 
English
Thank you very much for your last corrections. I forgot to include a few other sentences I’m still not sure of. 1)Queen Victoria’s reign has been one of the most flourishing (?) in Great Britain’s history. She reigned constitutionally and avoided the rebellions which ... 
Thermodynamics of steam
A boiler furnace releases 10000.000kJ of heat for each kg of fuel burned and produces dry saturated steam at 10000.000kPa from feed water at 190.000 degrees Celsius. How many kg of steam will be produced for each kg of fuel burned if the boiler had an efficiency of 69%. ANS = ... 
Science
Which explains the greenhouse effect? A. Greenhouse gases like water vapor and carbon dioxide trap heat in the atmosphere, thereby radiating heat energy back into space. B. Greenhouse gases like water vapor and carbon dioxide release heat in the atmosphere, thereby radiating ... 
science
The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellowflowered tree was selfcrossed. ... 
statistics
3 different drugs are under consideration for trating a given ailment. in the past 10,000 applications, drug A was sed 2500 times, drug B 4000 times, and drug C 3500 times. when an expert was asked to rank the effectiveness of the 3 drugs, he replied: "drugs A is twice as ... 
MATH HELP
14000 ACRES OF LAND 12% IS PATIO 25% LIVING SPACE AND REST IS LAWN SQUARE FOOTAGE FOR EACH PORTION OF LAND USING PERCENTAGES 
chemistry
which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics? 
math
A 6sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die. 9) _______ A) {6} B) {36} C) {1, 2, 3, 4, 5, 6} D) None of these 
college physics
A space shuttle is in a circular orbit at a height of 250km, where the acceleration of Earth’s gravity is 93% of its surface value. What is the period of its orbit? 
Chemistry
If a 6.00M solution of sodium hydroxide occupies 520 mL of space how many grams of NaOH is dissolved in the solution? (Remember M = moles/L). And the work. 
PHYSICS
How much work is done by the Moon's gravitational field as a 1005 kg meteor comes in from outer space and impacts on the Moon's surface? PLEASEEEEEEEEEE 
Physics
You are on the Moon and would like to send a probe into space so that it does not fall back to the surface of the Moon. What launch speed do you need? 
Earth/Space Science
Explain why scientific ideas that have been subject to many tests are still considered theories and not scientific laws. 
Statistics
A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space? 
college math
Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far 
Physics 102
Why do the passengers in highaltitude jet planes feel the sensation of weight while passengers in the International Space Station do not? 
college physics
Why do the passengers in high altitude jet planes feel the sensation of weight while passengers in the International Space Station do not? 
maths probability
Consider an experiment with four possible outcomes which we denote by Wi for i = 1,2,3,4. Sample space is Omega = {w1,w2,w3,w4}. Consider events A= {w1}, B = {w1,w2}, C = {w1,w2,w3} and D = {w2,w4}. Given that P(A) = 1/10, P(B) = 1/2, P(C) = 7/10, compute P(D) 
Math #rd grade
Bryan has 3 nickels, 3 dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter? There is a space for only 1 fraction answer. 
statistics
A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space? 
Math
You have a rectangular yard that has perimeter of 72 meters. The current area is between 300 and 350. What are the dimensions of your current fenced in space 
math
I'm building a new fence around my yard. The length is 20 ft. The width is 18 ft long. How much fence will I need to enclose the entire space? 
Science
What do astronauts take to space/what materials do they need and use? Plz help ASAP i cant find enough information and i need 40 bulletpoints by tomorrow! 
physics
Two spacecraft in outer space attract each other with a force of 4 N. What would the attractive force be if they were oneeighth as far apart? 
Geometry
If I have a tv cabinet that is 72inches long and 60 inches high how large a tv could I put in the space (leave 2 inches on all sides for the edging of the tv) 
science
In deep space (no gravity) , the bolt (arrow) of a crossbow accelerates at 120 m/s^2 (square) and attains a speed of 124 m/s when it leaves the bow. For how long is it accelerated? Answer in units of s. 
Humanities
The style that fills the picture space with figures and uses bright colors and lots of gold is called? a. Romanesque b. Renaissance c. threedimensional d. gothic e. none of the above 
science
fill in the blanks with these worsd: galaxies gunpppowder guns hubble space telescope mummy sealed tomb the invention of 1990 of the led to the 1996 discovery of new . 
Communication
Which of the following is NOT a technique for emphasizing material in a resume? A. Presenting it in vertical lists B. Including it as part of a lengthy paragraph C. Offsetting it with white space D. Positioning it as the top of a page 
early childhood
which of the following is best suited to a formative assessment of progress 1. muscular strength snd endurance 2. body fat analysis 3. flexibility 4. qwareness of self and space 
Physics
Calculate the magnitude of the magnetic ﬁeld at a point 43.6 cm from a long, thin conductor carrying a current of 1.24 A. The permeability of free space is 1.25664 × 10^−6 T · m/A. Answer in units of T 
Social Studies
A shopper choosing a new oven for his home would likely make a decision based on a scarcity of which of the following? a) money b) time c) stores d) space I think it is d. 
Physics!
Consider someone in a rotating space habitat. The outward force felt by the person A.has no reaction counterpart B.is an interaction with Earth C.is a form of gravity D.is real in the traditional sense 
Physics
Suppose the surface (radius = r) of a cylindrical space station is rotating at 29.1 m/s to provide artificial gravity. What must be the value of r for the astronauts to weigh 1/3 of their earth weight? Don't know how to start please help. 
Art
Sketchbook 7 by Vivian W. Which element did this artist use most to emphasize her original creation of a cotton candy creature? A. negative space B. color C. line D. texture Is the answer C? 
concept development
Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d. 
critical thinking
Which of the following is not a way to succeed in college? A. Be flexible with planning activities B. avoid procrastination C. establish realistic goals for yourself D. organize a work space my answer is b. 
From theory and practice
Which of the following is best suited to a formative assessment of progress? A. Muscular strength and endurance B. Awareness of self and space C. Body fat analysis D. Flexibility My answer is B 
science
Discuss current or future applications of nanotechnology in fields such as medicine, engineering, space exploration, fuel cell development, air and water purification, and agriculture. 
Technology for Biobased Products
QA.A bioPDO 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 food/feed production ... 
Physics
Hey, have a question in Physics From a power magazine released 300,000 gallons of water pr.sekund into a pipeline leading to a turbine plant. Height difference between the magazine and the turbines are 300meter. The turbines provide 0.7 GW power. How large is the efficiency of... 
electrical engineering
A 3ph., 4pole, 60Hz induction motor is supplied by a 660V source. At a particular loading, the total power consumed is 65KW and the current drawn from supply is 70A (assume star connection). The rotor speed is 1760rpm. The stator iron losses are 1.2KW, the windage and ... 
Organic chemistry
compound with a molecular formula C8H16O has the following Hnmr spectrum: 3H triplet at 0.90, 1.0 to 1.6 8H multiplet, 2.05 3H singlet, 2.25 2H triplet. What is the structure of this compound? I think it is 2octanone but not sure 
Orgo
this is a repost because i am really stuck What is the structure of the magnesium salt that is created as a byproduct of the Grignard reaction: bromobenzene + mg = phenylmagnesium bromide phenylmagnesium bromide + benzophenone = triphenylmethanol 
engineering
when i do imaging of tissue to look at collagen structure using a 2 photon microscopy, but im not familiarized with the methods to measure the diameter of the collagen and the area occupied by it. Does anyone know how do researchers measure them 
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 l u g i n / t e m p f... 
Organic Chemistry
Use the data below from an electron impact mass spectrum of a pure compound to deduce its structure. Mass Spectrum M/z Relative intensity 66 32 64 100 49 26 29 72 28 83 27 60 
chemistry(check my explanation)
sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves when heat is added, ... 
Math
Find the intervals on which the function is increasing, decreasing, concave up, or concave down and find any local extreme values and inflection points. So I know how to do the above, but not with piece wise functions. Someone help me out? Y={3x^2, x<0 and x^2+1, x>=0} ... 
Math
A satellite which travels around the earth has a power supply that provides power according to the formula: P = 17200/t + 100 where t is the number of days the satellite is aloft. Find the rate at which power is decreasing after 380 days. rate in watts/day (enter as a positive... 
Ecosystems
put following terms in order from smallest to largest biome biosphere community ecosystem single species population order 1 single species 2 community 3 population 4 ecosystem 5 biosphere 6 biome 
Calculus
F(x) = x^5 ln x A) Find the interval on which f is increasing Find the interval on which f is decreasing B) Find the local minimum value of f C) find the inflection point (x,y) Find the interval in which f is concave up Find the interval in which f is concave down 
physical science
The exact question how are the following terms related  subatomic particels and atomic mass unit. The heading on the page is review and reinforcement structure of an atom  the three main subtomic particles are the proton, the nuetron and the electron. 
English
I am assigned to write a formal essay focusing on the theme of "Mrs Turner Cutting the Grass". Are job is to support our argument with any of the following: plot structure, symbolism, irony, humour, pathos, style or foreshadowing. How do I go about this? Can anyone help me. 
statistics
17. All three‐digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 without repeating the digits are (a) 50. (b) 60. (c) 15. (d) 71. 18. One of the counting rules used to determine the total number of possible outcomes for experiments in which the order of ... 
Laws of Physics
A block and tackle has a velocity of 6 and it is being used to raise a mass of 68 newtons through 3 meters. The efficiency is 60% Calculate the amount of energy needed to lift the mass through 3 meters and calculate the amount of energy that was put into the system and the ... 
English
Hello. Please tell me if the sentence structures are natural: 1)The crisis affected the world, specifically African countries. 2)..., and specifically African countries. 3)..., African countries specifically. 4)..., in particular African countries. 5)..., Afircan countries in ... 
science
Analysis of forelimb anatomy of humans, bats, and whales shows that humans and bats have fairly similar skeletal structures, while whales have diverged considerably in the shapes and proportions of their bones. However, analysis of several genes in these species suggests that ... 
English
Hello. Please help me with the following structures: 1)is it possible to use "going to" after "expect" or only "will", for example "it's expected that they are going to discuss" or only "it's expected that they will discuss / will be discussing"? 2)are the phrases possible: a)... 
Physics
A boiler furnace releases 10000.000kJ of heat for each kg of fuel burned and produces dry saturated steam at 10000.000kPa from feed water at 190.000 degrees Celsius. How many kg of steam will be produced for each kg of fuel burned if the boiler had an efficiency of 69%? ANS = ... 
Chemistry
Assuming an efficiency of 38.60%, calculate the actual yield of magnesium nitrate formed from 145.9 g of magnesium and excess copper(II) nitrate. I got 230.5g but it isn't right.. I got 6 mols of Mg then calculated molar mass of Mg(NO3)2 and got 148.31 and then multiplied the ... 
College Chemistry
Which of the following changes generally lead to greater reaction rates? (I)Increasing the temperature (II)Decreasing the concentration of a reactant or (III) adding a catalyst I know that change in temperature influences the reaction, in this case it speeds up and that adding... 
calculus 1
f(x) = 3x^3  9x + 5 find the: 1) zeroes or undefined values 2) intervals where the function is greater than zero 3) intervals where the function is less than zero 4) coordinates of all maxima and minima 5) intervals where the function is increasing 6) intervals where the ... 
maths
For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the xintercepts. d. Find the yintercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over which f is constant. h. ... 
Electricity
when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the crystal. The electron... 
Chemistry
These are all review questions for my summer assignment. Do not know: !) Explain what an ionic lattice is and include a diagram. 2)Draw a diagram to show how Na and CL2 combine to form NaCl Unsure: !)Select two compounds and explain when Roman numerals are used in the name of ... 
structural isomer?
what is structural isomer? can you alos give me examples? thanks ! Draw the structure pentant (acutally it is npentane) out to see it. CH3CH2CH2CH2CH3 H3C \ CHCH2CH3 / See (if this came out rightusually there ... 
quantitative methods for business
Cress Electronic Products manufactures components used in the automotive industry. Cress purchases parts for use in its manufacturing operation of different suppliers. One particular supplier provides a part where the assumptions of the EOQ model are realistic. The annual ... 
Science
A researcher wants to develop a new pharmaceutical compound to treat pain. Which of the following strategies will likely be the most effective process? A. Test extracts from newly discovered plants for painkilling substances. B. Read anthropological studies to discover plants...