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September 23, 2014

Search: Basic Engineering2. Materials Science

Number of results: 27,674

Basic Engineering2. Materials Science
Boron is used to dope 1 kg of germanium (Ge). How much boron (B) is required to establish a charge carrier density of 3.091e7/cm^3. One mole of germanium has a volume of 13.57 cm^3 and weighs 72.61 gram. Give answer in grams of boron? I have no idea how to solve this problem. ...
December 4, 2012 by Ray

Accounting
What is Beer direct materials and raw materials? Raw materials are the basic materials and parts that are to be used in the manufacturing process Raw materials that can be physically and directly associated with the finished product during the manufacturing process are called ...
February 6, 2014 by Kristina

Psychology
Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
September 11, 2012 by Lilly

Psychology
Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
September 12, 2012 by Lilly

science
does it take 96 percent less energy to make an aluminum can from recycled materials than it does to process it from new materials?
October 28, 2011 by Tameika

psychology
What is basic science? What is applied science? What traits to people need to be successful in basic science psychology fields? applied science?
September 4, 2007 by Christian

Elem. Ed. Another Question
I need help with these questions to make sure I am right. If the art center is orderly and organized, children: 1.should be free to mess up the materials and use them with abandon. 2.are inhibited because the materials are too organized. 3. can find what they need and use ...
April 10, 2007 by Keisha

Science
Identify 5 different materials that you encounter or use on a daily basis, and identify a mineral that is mined to supply each of those materials.
April 5, 2012 by Kelly

Intro to Technology
Lab 1.2 BACKGROUND: Technology uses productive tools. These tools often employ one or more of the six basic mechanisms. these mechanisms are the elver, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. SITUATION: The SCIENCE EXPERIMENTS COMPANY ...
May 18, 2010 by y912f

science (revision)
I have a test on electricity on Friday and I wandering if I could get a basic summary of what I should know. I'm British so I don know what grade I am but I'm 11 so aound that sort of basic level please!!! Thanks.
January 9, 2013 by Zoe

Science
Students wer given materials to complete a circuit to turn on one light. The materials received were 2 wires, a AA battery, and various sizes of light bulbs. What is the variable in the experiment?
January 10, 2013 by Matt

Earth Science
My question is what is the ability of some natural materials to reflect and absorb sunlight? What do they mean natural materials? I could answer this on my own if I understood what is considered a natural material.
December 19, 2007 by Lori

science
Im during a ppt. The questions are indentify the sources of paper waste materials. Explain how paper waste materials affect biological diversity in the environment.
July 21, 2012 by tanya bush

Geography
What are the basic activities in each of the four economic activity levels? My answer: Primary activities involve gathering raw materials such as timber for immediate use or use in the making of a final product. Secondary activities involve adding value to materials by ...
September 5, 2013 by Anonymous

science
what are sources of paper waste materials. Explain how paper waste materials affect biological diversity in the environment.
July 21, 2012 by Denise frazier

science
i was wondering if any one could help me, for the science fair my teacher gave me a project that i am having some trouble with. It is to make a clock powered by water, i have the materials but don't acually know how i should put it thogether, the materials are a medium basin,4...
January 19, 2008 by Julie

science HELP!!!!!!!!!
How are cells, bacteria, algae, plants, or animals the basic units of life? They are all living? How are cells, bacteria, algae, plants, or animals the basic units of life? I don't think I would call plants or animals a basic unit of life. They are made up of cells; therefore...
June 14, 2006 by Help24

science(chem) Dr.Bob Question from before
I'm doing an experiment and I'm supposed to have neutral basic and acid samples of solution. I just wanted to make sure that I knew which was which. (If I'm incorrect, please correct me) Acid: 0.7ml 10% H2SO4 + 0.7ml 10% Na2WO4(sodium tungstate) Basic: 0.7ml NaOH + saturated ...
September 20, 2008 by ~christina~

science
can someone edit my lab report please? Here it is Purpose: The purpose of this experiment was to distinguish six substances observing how they react in fluids and to identify them by their properties. My hypothesis by the end of this experiment, I will discover what the ...
September 20, 2006 by the shadow

teacher aide
I need help! What information is included in the instructional guide that accompanies most audiovisual materials? A How to operate the projection equipment to show the materials B How to duplicate the audiovisual materials C A summary of description of the contents D A ...
April 26, 2011 by Rosie

Science
What is the cell structure involved in photosynthesis and respiration? What is the starting materials and raw materials of photosynthesis and respiration? What is the end product of photosynthesis and respiration? What is the energy requirement of photosynthesis and respiration?
September 14, 2014 by ANON :)

science
What energy changes occur in an electrochemical cell when electric current flows from it? This is what I put down but I am not sure if it is right... In a primary cell, chemical reactions use up some of the materials in the cell as electrons flow from it. This causes an energy...
December 10, 2007 by helpmeplease

Science-Chemistry
A student has blocks of four different materials of identical mass. The materials are ice, gold, aluminum, and Styrofoam. Which blocks would have the largest volume? Would it be gold? Also this other question: What is the total number of atoms in a single unit of the compound ...
April 27, 2010 by Sara

chem
a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3? Explain your answer. ...
February 2, 2010 by lisa

organic chem
a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3? Explain your answer. ...
February 2, 2010 by lisa

accounting
One of the adjustments for the worksheet says: * Of the $25 369.20 shown on the trial balance under Materials Used, $2 850 is still on hand and unused. Therefore I credited Materials Used by $2 850.. but which account do I debited because there is no Materials account.
January 20, 2007 by tasha

Social Studies (History)
What were the materials to construct the transcontinental railroad? I already knew the railroad was mostly constructed by hand by thousands of workers, but i need help to find out what kind of materials they used to build and construct the railroad. Also, what are the ...
September 28, 2013 by Monica

8th Grade Science
There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. What products of photosynthesis are starting materials for cellular respiration? A. glucose and oxygen B. heat energy and ATP C. carbon dioxide...
March 6, 2014 by Lauren

chemistry
Determine the pH. Are these solutions acidic or basic? a. [H3O+]=1.0*10^-8 a. pH=acidic or basic? b.[OH-]=1.0*10^-9 b. pH=acidic or basic? c.pOH=1.4 c. ph= acidic or basic? d.pOH=7.8 d. pH=acidic or basic?
December 5, 2011 by Amanda

science
Are all materials in 3d why or why not?
November 15, 2010 by jason

science
How would you balance this reaction(it's a half reaction problem): H2O2+ClO2-->ClO2+O2 (basic solution) thanks. i'm just confused b/c its a basic solution. all i know is that you have to add OH to it or something. thanks again for helping. add OH and you will get H2O as a ...
June 12, 2007 by michelle

Science
1. I got a list of solutions. We did a test in the lab to figure out what was there pH. How do you figure out which one is the most acidic and the most basic? 2.When might you need to know whether a solution is acidic or basic? 3. Dishwasher detergent, oven cleaner, and drai
January 17, 2011 by Neha

chemistry
Predict qualitatively whether the salts below dissolve to give solutions that are acidic, basic or neutral. what is the rule for figuring this out? a. KNO2 - basic b. Ng(NO3)2 - neutral c. NH4ClO2 - acidic d. NaHCO3 - basic
December 15, 2010 by Lisa

Science
Which contains only biotic factors? A. grass water and rocks B. soil ants and fish C. flower tree and firewood D. dog fish and wind Answer : B Moving of sediments or materials from its original location? erosion What is the depositing of eroded sediments or materials in a new ...
February 4, 2014 by Jerald

science need help Ms. sue
What are the materials I need for my science project. my science project is "How does stress affect your body"
October 28, 2013 by ingrid

childcare
A. cost B. height C. funishing materials D. surface materials (My answer is C) Please help
August 25, 2010 by action

Science
Identified the environmentalists as one of the five basic causes of environmental problems that we face with Do you agree or disagree with the five basic causes of environmental problems?
May 15, 2008 by JohnT

Science
What means Cells in Science? It depends on the context: In electricity, or chemistry, cells are sources of electrical energy. In life science, cells are the basic unit of construction for animal or plant life.
December 31, 2006 by Urvashi

science
what is a mineral formed from dissloved materials?
January 10, 2008 by ashley

science
What kind of materials block sound.
February 5, 2009 by Laura

science
what are the properties of the materials for winter boots
April 21, 2011 by shearn

Science
A list of materials of alloys of iron.
February 4, 2014 by Juanita

Materials Management
Going on job interview for admin assist. Would like some help on what kind of questions one would asked besides the basic. I'm stuck. I want to know what they do, what they handle , etc. can some help with some questions?
June 30, 2008 by Help Please

science
Which statement best explains why dating geologic materials from the Quarternary Period uses a different radioactive isotope than for materials from the cambrian Period? a. all rocks contain radioactive substances. b. some isotopes decay faster than others. c. not all isotopes...
April 4, 2009 by Angie

Early ed
The most important consideration when installing playground equipment is? A. Cost B.height C.finishing materials D. Surface materials
January 12, 2011 by Chris

physical science
gimme a side of what physical science is. I know there's no shortcuts but it means alot of ev'rything I gotta know. Sho' me. I have little understanding of what you wrote. When one tries to communicate in non-standard English, the results are unpredictable. Here is a ...
September 3, 2005 by Henry

science
how to make an american flag 3-D with materials but not on paper
February 5, 2009 by al

science
in which of the following materials is the velocity of light greatest
July 10, 2011 by mark

science
need help with what are the raw materials of respiration and their products?
October 17, 2012 by mary

childcare
The most important consideration when installing playground equipment is A cost B height C finishing materials D surface materials My answer is C
January 12, 2010 by Rosa

science
A thing can be made from one or more materials and use of a material depends upon its properties. Now, find out about some imp. Properties of the materials like hardness, softness, heavy and light etc and how do these properties help you in grouping things in your daily life. ...
June 24, 2007 by arshya

science
What materials can I use to make an imprint like a fossil?
January 23, 2012 by Sierra

science
i have to make a solar oven for science class. what are some good materials or ways to make one that would get my oven the hottest?
May 28, 2008 by Anonymous

chemistry
What is the pH of 8.94 10−6 M HCN(aq), ignoring the effect of the autoprotolysis of water? 1. 7.17923 (basic; thus not reasonable) 2. 6.03594 3. 7.30027 (basic; thus not reasonable) 4. 5.50032 5. 7.38101 (basic; thus not reasonable) 6. 5.18207 7. None of these
May 12, 2011 by vivian

science(chem)
I'm doing an experiment and I'm supposed to have neutral basic and acid samples of solution. I just wanted to make sure that I knew which was which. (If I'm incorrect, please correct me) Acid: 0.7ml 10% H2SO4 + 0.7ml 10% Na2WO4(sodium tungstate) Basic: 0.7ml NaOH + saturated ...
September 20, 2008 by ~christina~

managerial accounting
The following direct materials and direct labor data pertain to the operations of Solario Manufacturing Company for the month of August Costs Quantities Actual labor rate $13 per hour Actual hours incurred and used 4,200 hours Actual materials price $128 per ton Actual ...
November 15, 2010 by jennifer

chemistry - bacisity
which is more basic, OH- or CH3O-? I thought it would be OH- because when one looks at the conjugate acids of these two ions, methanol is slightly more acidic which implies that it is slightly less basic and the hydroxide ion is the more basic. But apparently this is not the ...
December 22, 2007 by Vixc

ENGLISH
WHAT ARE DIVERGENT MATERIALS? WHAT ARE CONVERGENT MATERIALS?
November 15, 2012 by CHE

Science
What is the basic unit for volume?
October 3, 2012 by OLIVIA

science- rocks and minerals
what is a type of mineral that is formed from dissolved materials?
January 10, 2008 by ashley

social science
what are the materials used for the construction of the famous konark temple?
September 15, 2008 by Anonymous

science
what types of materials are volcanoes like Mount St. Helens made of?
April 2, 2009 by Jane

Materials Science
A cube of aluminum contains 10^21 atoms. how long is its edge(in mm)?
January 17, 2010 by Kathryn

Science
What factors may be affecting the amounts of materials that are being recycled in 0ntario?
May 16, 2010 by Navroz

Science
Describe the tools and materials that are provided by soil to play football
December 8, 2010 by Airon

accounting
RC Corp. uses a job order cost accounting system. During the month of April, the following events occurred: (a) Purchased raw materials on credit, $32,000. (b) Raw materials requisitioned: $25,800 as direct materials and $10,500 indirect materials. (c) Paid factory payroll for...
December 10, 2011 by Anonymous

Day Care
Children will develop a sense of self-direction and competence if materials are arrangeed so that children A. must apply ingenuity to find needed materials. b. must ask a caregiver for needed materials c. can easily find matereials themselves. d. will be restricted to using ...
January 9, 2009 by Cynthia

Design
What is the difference between layering and terracing? A. More depth can be achieved with layering than with terracing. B. In layering, the materials are more three-dimensional than in terracing. C. In layering, materials such as leaves can't be reversed to reveal different ...
January 16, 2013 by Jamie

science
What are 4 basic needs of every organism
October 1, 2007 by donja

Science
What is the basic structure of all organisms?
April 13, 2008 by Hannah

science
When the electrons are aligned in the magnetic domains of two materials,what occurs- what is it called
February 12, 2011 by Lex

business
To start a day care center, what are the basic materials and supplies that you will need? i.e, desks, chairs, tv, kitchen area (fridge, stove), books. what are some other things that you would need. what are some activities that kids 3-4 age do at a daycare. Please give me ...
May 25, 2009 by y912f

Science
How do Quaker Parakeets meet their basic needs
November 20, 2008 by Twilight lover

Science
The basic units of heredity that determines traits are?
January 21, 2010 by Aaron

Science
what tells you whether a solution is basic or acidic?
June 13, 2010 by Lucy

science
how can i make an Auto-Off Candle by Lisa Marie Wright?what is the materials included?
September 8, 2010 by kathleen

Science
In what ways are there three processes similar in terms of the starting materials and end products?
August 22, 2012 by Ally

science
Suppose you were designing a statue to be placed outside your school. What materials would you use, and why?
April 3, 2014 by victoria

chemistry
A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!
May 29, 2012 by 26kllt

basic grammar
which of the following would you most often be able to find in a basic dictionary ?
August 15, 2012 by sandra

Science
Environomentalist as the five basic cause of eniveronmental problems that we face have indentified the following. I) Rapid population growth II) Unsustainable resource use III) Poverty IV) Not including the environmental cost of economic goods and services in their market ...
May 16, 2008 by Bradley

science
what are the 3 basic morphological arrangements of a sensory receptor cell?
October 13, 2007 by lisa

Science
How do frogs and lilies ( the flower) meet their basic needs
November 20, 2008 by Twilight lover

earth science
what are basic things that we should know about deposition?
February 25, 2009 by Anonymous

science
true or false:: When the electrons are aligned in the magnetic domains of two materials, magnetization can occur.
February 12, 2011 by Lex

science
How do the principles of physics and chemistry both come into play when developing new materials?
March 14, 2012 by long

science
How do the principles of physics and chemistry both come into play when developing new materials
March 15, 2012 by long

Science
Any help on this I have to go to bed!!!! Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form vesicles that tranport ...
December 8, 2009 by Eryns

Basic maths
This is very basic, but is annoying me intensely. I am trying to rearrange s=t((u+v)/2) to make t the subject. Any help would be greatly appreciated.
January 16, 2008 by Lawrence

Algebra
Your cable television company offers two plans: basic service with one movie channel for $35 or basic with two movie channels for $45. What is the charge for basic cable and for a movie channel? dealing- subs. and elimin.
January 14, 2008 by Amber

Basic Spanish
My grandson need tutoring in basic Spanish to improve translate from Spanish to English in writing assignments, &grammar . Do you have review , similar to Khanacademy ? He needs tutoring to improve basic Spanish , has no tutoring in his school. Thank you
March 23, 2014 by Michael

computer science
Where do basic technical innovations most often originate?
October 8, 2008 by mb

science/chemistry
what is the basic physical principle that chromatography is based upon?
April 28, 2009 by brown

science/chemistry
what is the basic physical principle that chromatography is based upon?
April 28, 2009 by brown

science
We have to make ear defenders ... and i was wondering what materials to use and why thank you to anyone who answers , it would be a really good help for me ' (:
February 22, 2009 by fern

science
what property of the materials used in computer chips makes them useful as switches that trun electricty on and off
December 15, 2010 by yuku

accounting
Moreno Industries has adopted the following production budget for the first 4 months of 2013. Month Units Month Units January 10,000 March 5,000 February 8,000 April 4,000 Each unit requires 3 pounds of raw materials costing $2 per pound. On December 31, 2012, the ending raw ...
May 7, 2012 by lynette

materials engineering
for: prismatic non-circular section channel which used for window frames and for ducting for electrical wiring..I need to know : 1-function 2-objective 3-constraints how can we select the materials for this design, and why? what suitable processes for manufacturing?
March 17, 2011 by hym

materials engineering
for: prismatic non-circular section channel which used for window frames and for ducting for electrical wiring..I need to know : 1-function 2-objective 3-constraints how can we select the materials for this design, and why? what suitable processes for manufacturing?
March 18, 2011 by hym

visual basic
(1) state the condition under which a FOR-TO-NEXT loop will not be executed. (2) With the aid of illustrative example, describe how a subroutine is implemented in BASIC.
June 9, 2009 by Matrixschool

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