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

20,691 results, page 79

Span linear

hello everyone!i'm breaking my head and desperate how to do it... If i have a vector in linear space V:r v1,v2.....vk,a,b having A={v1,v2.....vk,a} B={v1,v2....vk,b} C={v1,v2...vk} and its known that V=sp(A) and b∉sp(C)........ needed to prove 1) a ∈ sp(B) 2) V=...

Electric fields and Coulomb's law

Please, I need help with this question. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? Answer:__________ m Thank you.

Physics (Electric fields and Coulomb's Law)

I need help with this question please. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? _________ m Thank you

Physics

Many people mistakenly believe that the astronauts who orbit the Earth are "above gravity." Calculate g for space shuttle territory, 290 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m (6380 km). 1.)in m/s^2...

Physics

In a crystal of salt there are electrons and positive ions. How does the net charge of the electrons compare with the net charge of the ions? 1. Unable to determine 2. Sometimes the net charge of the negative electrons is greater than the net charge of the ions and sometimes ...

Chem

The melting point of KCl is 776 C whereas the melting point of NaCl is 801 C. 1. Identify the type of bonding in each substance. A: Both NaCl and KCl are ionic. 2. Account for the differences in the boiling points of the substances using principles of atomic structure, bonding...

physics

The Space Shuttle travels at a speed of about 7.88E+3 m/s. The blink of an astronaut's eye lasts about 107 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?

math

in some cars the rear seat folds down to add more space. Often this split is a 60:40 split. If the rear seat is 60 inches wide, how wide are the two parts?

math

in some cars the rear seat folds down to add more space. sometimes this split is a 70:30 split. If the rear seat is 50 inches wide, how wide are the two parts?

math

in some cars the rear seat folds down to add more space. Often this split is a 60:40 split. If the rear seat is 60 inches wide, how wide are the two parts?

Math

The shipping clerk packs a cube with side lengths of 8 inches into a box with side lengths of 10 inches. What is the volume of the space left in the larger box for packing materials?

science

the apparent magnitude of star is how bright they look to us we are on the earth looking up into space which would look brighter Small star Big star I think that is the big star thank you in advance

Math

A tennis court is 23.8 m by 11 m. A tennis club has 3 courts side by side in a fenced area. The courts have 3 m between them and 3 m around the outside. What are the dimensions of the fenced space? Please and thank you!

Geometry

A rectangular pyramid fits exactly on top of a rectangular prism. Find the volume of the composite space figure if the prism has length 19 cm, width 2 cm, height 11 cm, and the pyramid has height 7 cm.

Math

Determine whether the given equation is a circle, a point, or a contradiction (no real graph). x^2 + y^2 - 2 x - 16 y + 52 = 0 . The equation is a . (Enter "circle", "point", or "contradiction" in the answer space without quotes.)

Physics

Carbon-15 has a half-life of 5730 years. As observed from Earth, what would the half-life of carbon-15 be if it traveled through space at 25% of the speed of light, relative to Earth?

math

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...

math

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...

chemistry

Name the following compounds (with absolute configurations) and are they enantiomers, diastereomers or structure isomers or no relation at all? img34.imageshack.us/i/namethese.jpg/ i think they are disteromers and their names are 1] 1S, 2S - (2-bromo - 3,4 - dimethyl pentane) ...

Social studies

What was one similarity between the bill of rights and the Magna Carta? A. Both outlined a structure that gave the government the right to tax its citizens B. Both established a detailed justice system C. Both provided guidelines for ensuring basic citizen rights D. Both were ...

Finance

You were hired as a consultant to ABC Company, whose target capital structure is 40% debt, 15% preferred, and 45% common equity. The before-tax cost of debt is 8.00%, the cost of preferred is 7.50%, and the cost of common is 12.75%. What is its WACC if the tax rate is 25%?

chemistry

Sixteen electrons are present in the Lewis structure of which of the following molecules? CO2 N2O SO2 more than one correct response no correct response If more than one correct response please show all correct answers thank

chemistry

N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K) a. Using the information provided above (only), calculate the maximum amount of non-PΔV work that can be accomplished through this reaction at a temperature of 500°C. b. ...

math

Hi there, my question has to do with areas. a tennis court is 23.8 m by 11 m. A tennis club has 3 courts side by side in a fenced area. The courts have 3 m between them and 3 m around the outside. What are the dimensions of the fenced space? please. ..

Debating

PLEASE HELP ME! What is a Space Program? Define. I Have a debating topic that needs me to define that. I have googled but I can't find anything. If you don't know then please show me a list of alternate search engines. Thanks Minerva

Space Exploration

tell what the concept of a habitable zone around a star is. how would I answer this question? The habitable zone is the region around a star where liquid water can exist on planetary surfaces.

Math

A space shuttle is spotted flying at an angle of elevation of 17° when sighted from Cape Canaveral. At the moment it is sighted, it is directly overhead a ship located 12 mi from the Cape. The height of the shuttle at this moment is approximately a)3.5 b)3.7 c)2.8 d)4.1

Velocity and Displacement

The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 120 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?

geometry

A parking lot has seventy-three parking spaces numbered from 1 to 73. There are no cars in the parking lot when Jillian pulls in and randomly parks. What is the probability that the number on the parking space where she parks is greater than or equal to 27?

Math

a rectanglular form is 3.5 meters long,2 2/5 meters wide and 2.5 meters deep.Tory filled it full of cement,leaving 25 centimeters space at the top.How many cubic meters of cement did Tory use?

math-stupid stat

A manufacturing firm is planning the initial public offering of its stock in order to raise sufficient capital to finance a new plant. With current earnings of $1.61 a share, the firm and its underwriters are contemplating an offering price of $21, or about 13 times earnings. ...

AP US History DBQ Question

For my midterm I was given a list of DBQ topics that she will pick from to give to us. I wrote the question below and I don't have the documents yet, but I have a general outline and I'm hoping people on this site can give me opinions and some more substance to my ideas. ...

English essay yr9.

Um can any body help me with this. LOl :( It's uhh.. to do with an essay comparing and contrasting the use of language, form, structure and the content of texts. I have to identify australian cultural elements in the following 2 poems; "The Shearer's Wife" by Louis Esson and "...

SPELLING

IN ABC ORDER WHICH ONE COME FIRST BROTHER'S OR BROTHERS

chem

Arrange the atoms in order of increasing IE1. As, Sb, Sn a. Sb < As < Sn ANSWER is it correct b. Sb < Sn < As c. Sn < Sb < As d. As < Sb < Sn

Health law

please explian what does it mean if a show cause order is issued thanks :)

algebra 2

Evaluate the expression (40/2+i) + (35/2-i). What steps do I take in order to find this answer?

algebra

Factor by grouping 5x^3-5x^2-x+1 Would it be? (x-1)(5x^2-1) or (5x^2-1)(x-1) Usually the answers are in descending order.

chemistry

If the reaction is zero order, how long would it take for I2 disappear?

pharmacology

Sodium Seconal capsules are labeled 100mg. How many will be administered if the order is for gr 1 1/2

chemistry

What is the bond order of OH- and OH+? I tried to solve it but couldn't so Im about to give up. Help me please.

science

What mammal order has the following dental formula 006/406

history

Why did Gorbachev call for this "new order"? What was the impetus behind it? Was it successful?

Math

What are the steps in order to simplify the expression: 7(0.2p+0.3a)+5(0.6p-a) It would be great if someone could help me. Thanks!

math

Evaluate the following. Remember to use the order of operations. 4-(-3) + 1 ______________ 2-2/(-2)

Math

Evaluate the following. Remember to use the order of operations 4-(-3)+1 ---------- 2-2 divde by (-2)

chem help

Arrange the following elements in order of increasing atomic radii. Sr, Rb, Sb, I, In

Civics

What does a political party do after it wins the election in order to govern?

language arts

I have to rewrite a parragraph in spatial order. what does that mean?

math

Evaluate: 3^2 + 2^2 x 5 - sqrt 25 over 8 - 4 / 2 + 2 I am confused on the order in which I solve this. Please help!

Chemistry

Use the drawing of MO energy diagram for CO to predict the bond order.

algebra

write these in order from least to greastest and show all work -7/8,-5/6,6,8,-5

biology

create a mnemonic for the 6 kingdoms they maybe in any order but you must have all 6

Math

i have -2/5, 1/6, 7/8, -5/9, 3/4 how would i put these in asending order being they are fractions?

English

What does the term "Sometimes you have to serve in order to lead" mean?

math

what is the optimum order size that will minimze storage costs? y= 1.5x + (200000/ x)

chemistry

Which of the following groups of elements is arranged in order of increasing electronegativity? a. Br < Li < C b. K < Mg < O c. Na < K < N d. Mg < Li < C e. Ca < Cl < C

Science

what mammal order has the following dental formula: 006/406?

math

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

math

USE THE NUMBERS 3, 5, 6, 2, 54, AND 5 IN THAT ORDER TO WRITE AN EXPRESSION THAT HAS A VALUE OF 100

computers

i don't understand the formula for caluculating e^x in order to write the code(java)

help

arrange in ascending order 7/22, 2/5, 10/24 what is the prime factorization of 87750 in exponent form

chemistry

pls arrange the following in their order of solubility: NH3, N2 AND CO2

Math

What steps do I take in order to solve : (101-100) = .512 x (x/.5)

Geometry

list the sides in order from shortest to longest in angle ABC,with A=80 ,Q =3x+5 , and C =5x-1

social studies

where did santa anna order the slaughtering of 350 men?

Calculus

lim sin2x x->0 ----- x How do I get rid of the x on the bottom in order to solve this problem? Thanks!

math

use the numbers 3,5,6,2,54, and 5 in that order to write an expression that has a value of 100

algebra

how do I order the following from least to greatset and show all work -7/8,-5/6,6,8,-5

chemistry

If a solution containing 0.22 M Cl -, Br -, I -, and CrO42- is treated with Ag+, in what order will the anions precipitate?

Math

Record 7 digits (0-9) in ascending order who has a mean of 3 and a standard deviation of 0. Thanks

Social studies

Why did king george 111 order the proclamation of 1763

Social studies

Why did king george 111 order the proclamation of 1763

physics

what must an object do in order for the distance it traveled to be the same as its displacement.

Ethics

Would Kant support having a baby in order to another life??

math

order the numbers from least to greatest 367;597;279

math

Use the numbers 3,5,6,2,54 and 5 in that order to write an expression that has a value of 100

Econ

what is the purpose of the labor law- executive order- created in 1965

Math

Writing to explain if you know that 4 x 5 = 20, how can you use the Commutative (Order) Property to find 5 x 4?

French

Put in the correct order : nous , habitons. Voila , maison, ou ( where) , la

math

List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4

science

The rate constants for a first order decay reaction are found to be:

fin/370

What information is needed in order to prepare a cash budget

Science

order from the smallest to the largest: nucleus, molecule, atom, quark.

math

Which equivalent fraction would you have to use in order to add 3/5 to 21/25

english

I decided to have a glass of water rather than order a pepsi.

psycology

in order to increase self esteem ,experts say you should what

psycology

in order to increase self esteem ,experts say you should what

psy

what should one do order to increase self esteem experts

Calculus-HELP PLZ !!!!

Find the complete general solution to the second order DE: 4y'' - 9y = 0

math

how do I arrange these fraction or mixed numbers in order from smallest to largest 1)5/6,5/7,-3/4,2/3,9/11,-3/7 and 2)2 1/2, -7/2,-2 1/3,2 4/5,2 3/8.

math

What would you do first to order the following numbers from least to greatest? 30%, 2/3, 0.67, 8/9, 0.7

marketing

can someone please specify a purchase order i am having troubles

college algebra 1

Order the fraction in each set frim least to greater 2/7,6/7,2/3,1/7,5/7

math

if you know that 7* 8=56 , how can you use the commutative (Order) Property of Multiplication to find the product of 8*7 ?

Math

Which set of integers are in the right order from least to greatest? A.-8,8,6,|-7|,5 B.|-7|,-8,8,6,5 C.-8,5,6,|-7|,8 D.5,6,8,-8,|-7| Is the answer D?

algrebra

Combine like term, write answer in descending order. 4x^2 - 6x +9?

Math-- 1 question

Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 I know the answer is 6.

social studies

In order to track time of the floods,Egyptians looked to?

Math

solve for 0 <= t <= 2pi cos t = 1/2 Give your answers in increasing order t = t =

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