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

20,691 results, page 68

Biology

Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.

Science

Please help me with my sciene? Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1...

Math

I don't know how to solve this math problem? A call center is 120 yd. long and 40 yd. wide. Each employee requires 30 sq. ft. if the center needs to have 40% of open space, how many employees can be seated in the center?

science

a satellite in force free space sweeps stationary interplanetary dust at a rate of dM/dt=alpha v, where M is mass and v is speed of satellite and alpha is a constant. the tangential acceleration of satellite

Math

A rectangular family room has 204 square feet of floor space. If its length is 17 feet, how many feet wide is it? A. 18 B. 12 C. 17 D. 187 E. Not enough information is given. Answer: 204/17=12

Math

In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 95​% confident that your sample mean is within 11 minutes of the population​ mean? Assume that the standard ...

calculus help please

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...

physics

A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the mover’s power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of the truck is 1.5 m ...

Chemistry

Write the structure for the alkane: molecular mass = 72 u; forms four monochlorination products. Well since its 72u and its an alkane, I figured out that the formula is C5H12. But what does it mean that it "forms 4 monochlorination products"?

Science

Saccharomyces Cerevisiae is a fungi, it is used in the production of bread. Rhizopus is a fungus that causes mouldy bread. What is the difference between the structure of the fungi, when looking at Saccharomyces and Rhizopus under a microscope?

Correct grammar

Pick the correct answer which corrects the underlined portion of the following sentences in the simplest way possible – for grammar and/or style, without changing the basic meaning of each sentence. In the evening you can go to a restaurant and order a plate stake burger and...

math

4x-10=y order pairs

Science

What are the planets in order?

math115

ascending order= -2/9, -1/9, 3/7, 5/9, 1/8?

Algebra

Order of Operation help

Algebra

-3+5(-6)-[8-6*7)-4(13-5)]-3(-8-10) Order Of operation

math

what is the degree and order of (1+y')^2=(y')^2

Math

Order of operstions

math

how do you put 1/4,2/3,-7,8,-9 in order

Order of Operations

What does 8+6(7-4)/9 equal? is it 6

Order of operatios

7-2+3/3x5

Order of Operations

85/5+14x(12-8) 82?

math

compare and order 7/12, 2/3, and 6/15

Chemistry

What is the bond order of BN-

math

order of operations 10) 2^4-3^2+5^2 11)32/(-7+5)^3 12)4^3-(2-5)^3

algebra

order of operations 10) 2^4-3^2+5^2 11)32/(-7+5)^3 12)4^3-(2-5)^3

math

Order of operation (2×3+7^2)-10

algebra

x^3+4a+5a^2x^6 ascending order

Math

I NEED THESE IN ORDER HOW DO I DO IT??? 3.3, 4.1, 3.9, 5.0, 3.5, 2.9, 3.9

Math

What is the order of the set a={-1,20,3,17,5}

mathematics

if n=p,then the order of the matrix 7X-5Z is 2*n ?yes (why?)

Math

What is 4,-6,0,8,-9 in ascending order

math

What is 2/3 , 3/4 , 7/12 on descending order

Algebra

Which are the order pair for 3x+y>6

math

I have 209.2 cups of cupcake batter in a bowl. If each cupcake uses 4 cups of batter, how many cupcakes can be made? How many times bigger do the divisor and dividend need to be in order to solve this problem? I divided 209.2 by 4 and got an answer of 52.3 cupcakes. I just do ...

physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the energy produced by the ...

physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the energy produced by the ...

Biology

How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together?

Chemistry

Based on the following observations for 3 unidentified metals (Z, X, and D) and solutions of their metal cations (Zn+ and En+), rank the metals in terms of reducing agent strength, from lowest to highest. -When metal X is placed in an aqueous solution of En+, a dark residue ...

CALCULUS

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b. If the circular slick...

Science Question?

When it was first classified by biologists, the elephant shrew was placed with the bicolored shrew in a cladogram. Since then, additional evidence has been found that caused scientists to remove the elephant shrew from the shrew group and place it in a new position in a ...

Computers

//program that puts two lists in order in one single list with all the numbers in order import java.util.Scanner; public class listOrder { public static void main (String [] args){ int [] list1; int [] list2; int [] list3; int temp; list1 = new int [10]; list2 = new int [10]; ...

Chemistry

Hi I need with with a prelab calculation for a Hydrate Crystal lab and I am so confused @_@ You don't really need to solve it if you don't want to, I just need an example on how to do these problems 1) Find the mass of the water that evaporated upon heating - Mass of crucible ...

MATH-CALC

3.A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b. If the circular ...

math please help

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b. If the circular slick...

MATERIAL SCIENCE

1. Calculate the theoretical density of Barium metal barium 2. Calculate the theoretical densities and packing factor of barium zirconate (BaZrO3), and barium cerate (BaCeO3), both of which form the perovskite structure

Economics

Timber companies in the United States cut down many trees on publicly owned land and many trees on privately owned land. Discuss the likely efficiency of logging on each type of land in the absence og government regulation. How do you think the government should regulate ...

econ

The economist for the Grand Corporation has estimated the company’s cost function, using the times series data to be TC=50+16Q-2Q2+0.2Q3 a. Plot this curve for quanties 1 to 10 b. Calculate the average total cost, average variable cost and marginal cost for these quanties, ...

Business Communication

Which way of asking for action carries the highest level of politeness? A. A polite order B. An indirect request C. A question D. An order I'm a bit confused as to what this question is asking for. However, I believe the answer may be B since asking for an indirect request is ...

chemistry

I have to draw Lewis structures for hydrogen cyanide and cyanogen with nitrogen valency of three. Would I still need 2 dots after the N in hydrogen cyanide or would this represent nitrogen with a valency of 5? Yes. THose two "dots" are unshared electrons. Thanks. When writing ...

human anatomy and physiology

cells are the basic unit of life based on the original cell theory. name and define the function of at least nine organelles of animal cells. You will find a list of 14 cell organelles and their functions (what they do) at: http://library.thinkquest.org/12413/structures.html ...

Science

1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted materials. C) A ...

Chemistry

The experimentally measured and generally accepted value for the molar volume of Na is about 23 cm3/mol. Which of the following best explains why the value calculated in Part B is significantly smaller than the measured values? Part B Answer 16.3 cm3/mol Which one would it be...

Math

For the graph of (3-x)/(5x+2)^3: is the following information right? x-intercept: (3,0) y-intercept: (0,0.375) vertical asymptote: x= -0.4 horizontal asymptote: y=0 increasing: (4.7, infinity) decreasing: (-infinity, -0.4) (-0.4, 4.7) concave up: (-0.4, 6.4) concave down: (-...

Computer Science

//program that puts two lists in order in one single list with all the numbers in order import java.util.Scanner; public class listOrder { public static void main (String [] args){ int [] list1; int [] list2; int [] list3; int temp; list1 = new int [10]; list2 = new int [10]; ...

physics

The rate of rotation of most pulsars gradually decreases because rotational kinetic energy is gradually converted into other forms of energy by a variety of complicated friction process. Suppose a pulsar of mass 1.5x10^30 kg and radius 20km is spinning at the rate of 2.1 rev/s...

math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

physics

A. A uniform, upward-pointing electric field E of magnitude 3.00~103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. The plates have length L = 4 cm and separation d = 2.00 cm. An electron is then shot ...

physics

A. A uniform, upward-pointing electric field E of magnitude 3.00~103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. The plates have length L = 4 cm and separation d = 2.00 cm. An electron is then shot ...

AP Calculus

Consider the function f(x) = 1/4x^4 - 5/3x^3 - 3/2x^2 + 15x - 3. A. Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the x-values. B. Determine the interval(s) where f(x) is increasing (if any...

Algebra

Bronze is an alloy that is made of zinc, tin, and copper in a specified proportion. Suppose an order is placed for 1000 pounds of bronze. The amount of tin in this order of bronze is two times the amount of zinc, and the amount of copper is 10 pounds more than 15 times the ...

Chemistry

The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of gold (19.3 g/cm3) and its molar mass (197 g/mol) to calculate an approximate atomic radius for gold. Work So Far: {[1/(19.3x197)]x.74}/6.022e23 =3.2319e18 [(3....

word-math problem

Assume that the amounts of oil produced by the first, second, third, ..., wells in a new oil field form a decreasing geometric sequence. If the first well produces 80,000 barrels and the second produces only 70,000 barrels, predict the total amount of oil that could be ...

science- pka- chem

Please verify that the pka of pyrrole is 6.04 and the pka of imidazole is 6.95. Why are they different? Doesn't pysrrole have one more bonded H in the ring structure than imidazole? I would expect slightly more acidic behavior just on the basis of this.

science

explain why a substancew with a network structure has a high melting point ? High is a relative term. What is high? coudnt u give me a better response Think what holds a network together? Bonds? Bonds must be broken to melt a solid. thank u

history again

one more question.i have to compare the class structure of japan and europe during feudalism. Europe was royals, nobility,manor lords, and serfs right? What was Japan? and am i leaving anything out of the Europe one? thank you!

Calc 1

A piece of wire 11 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for the square in order ...

Calculus 1

A piece of wire 23 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for the square in order ...

Calculus

A piece of wire 7 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. A. How much wire should be used for the square in order to maximize the total area? B. How much wire should be used for the square in order to ...

Science

With reference to the chemical- physical structure of DNA, and the nature and importance of a stable genetic code, describe the major forms of chromosomes mutations; also, describe, using examples: the major categories/types of mutagenic agents and how these affect genetic ...

Science help!

Compounds with high melting points have _____. covalent bonds metallic bonds ionic bonds no chemical bonds 4. Which of the following is NOT a characteristic of minerals? crystalline structure formed by inorganic processes definite chemical composition either liquid or solid

English

1. Look at the structure in this picture. It is on the left side of the flagpole in the picture on/of page 163. This one is used for helicopters. Helicopters take off and land here. What is this place? It is a heliport. (Would you check the sentences in this passage? Which one...

math

A cue shaped box fits exactly around a soccerball with a diameter of 22.28 cm. What percent of the box is empty space? Help understand how to get to the answer, and wat it would be Cube shaped box*

physics

with earths mass 6 x 10^24 kg and radius6.38 x 10^6, how does the inverse-square law show that in space shuttle territory, 200 km above earths surface, the force of gravity is about 94% that at Earths surface

geography check

the atmosphere:A)creayes tides b)has no effect on heat gain or loss c)allows heat to escape quickly D)keeps heat from escaping too quickly into space. i choose b

Math

Tennis balls withal diameter of 2.5 in. Are sold in cans of three. The can is a cylinder. What is the volume of the space in the can not occupied by tennis balls? Assume the balls touch the on the sides,top and bottom.

math

at the fair, 3/4 of the students wanted to see the space shuttle exhibit,but only 2/9 of theses students wrote down the address to get more nformation. what fraction of the students got the address?

Math

It is recommended that there be at least 7 square feet of work space for every person in a conference room. A certain conference room is 13' by 16'. Find the maximum number of people the room can accommodate.

math

At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?

Maths

A hollow cube of internal edge is 22cm is filled with spherical marbles of diameter 0.5cm and it is assumed that 1/8 space of the cube remain unfilled.Then the number of marbles that the cube can accomodate is?

law

Ron supervises delivery of flowers for a wholesale distributor of fresh flowers, Flowers. Inc. In order to accommodate one of the company’s best customers, Ron offers to immediately rush a delivery of fresh peonies. All of the delivery trucks are currently out on delivery. ...

Chemistry

At a given temperature, the elementary reaction A <=> B in the forward direction is first order in A with a rate constant of 2.60 x 10^-2 s^-1. The reverse reaction is first order in B and the rate constant is 8.50 x 10^-2 s^-1. What is the value of the equilibrium ...

Physics

In which of the situations listed below is energy being transferred as heat to the system in order for the system to do work? In which situation is work being done on the system in order for energy to be transferred from the system as heat? a. Two sticks are rubbed together to...

Physics

A block of mass 0.61kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.40. This section (from points B to C) is 4.73m in length. ...

Bussiness

In what way is each of the following a marketing activity? a. The provision of sufficient parking space for customers at a suburban shopping mall b. The purchase by clothing store of seven dozen sweaters in assorted sizes and colors c. The inclusion of a longer and more ...

Business

in what way is each of the following a marketing activity? a. the provision of sufficient parking space for custoemers at a suburban shopping mall b. the purchase by a clothing store of seven dozen sweaters in assorted sizes and colors. c. the inclusion of longer and more ...

Physics 1

A rotating cylinder about 5.0 miles in diameter is designed to be used as a space colony. With what tangential velocity must it rotate so that the residents on it will experience the same acceleration as that due to gravity on Earth? Recall that ag=g=-9.8 m/s^2 and 1 mi=1609 m...

Physics

How can gravity be simulated in an orbiting space station? 1)aped like a bicycle wheel 2)Spin two pods connected by a cable 3)Rotate a cylinder to create centrifugal force as viewed by a person on the inside of the curved outer wall 4)All of the above

physics

A horizontal pipe of uniform cross sectional area A empties into a bucket, filling it at a rate R (unit volume per unit time). Use dimensional analysis to determine the speed,v, of the fluid in the pipe to within a dimensionless multiplicative constant of order 1. What happens...

Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Evolution

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...

Basic programming principles

What would be the answer of the following: (only type in your answer at the answer space provided) Result a = 5 b = 7 Answer = 15 Do while answer <= 47 Answer = answer + a – b a = a + 6 b = b – 1 loop end

math

In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "math operation order" to ...

maths

The floor area of the room as 24 feet by 48 feet ,the space diagonal of the room as 56 feet. Find height

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