Basic Engineering2. Materials Science

36,933 results

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. ...

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 ...

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...

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...

Conceps of development

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

concept development

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

Math And Science for Young Children

__________ is/are NOT a basic lesson plan component. A. Object B. Concept C. Materials D. Goals Is B the correct answer

how concepts develop

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

creative play

Manipulative materials develop children’s small muscles in their fingers and hands, basic concepts, imaginative thinking, and: A. sorting and classifying many materials. B. manipulation and cultural diversity. C. large muscle activity. D. eye-hand coordination. D?

science

Discuss how materials science has advanced to the stage where materials can be engineered to fit a specific purpose.

acounnting

9. The materials price variance reveals the difference between ____________________. (Points : 1) the price paid for materials and the quantity of materials used the quantity of materials used and the quantity of materials allowed for good output none of the solutions offered ...

Biology

Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct since it's true. But the rest are wrong as well! ...

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?

Science

1. How does nanotechnology how engineers make products for the future? A. By changing a materials atomic structure, it can be made from elements that are easier to obtain. B. By changing a materials atomic structure, it's physical properties can also be changed. C. By changing...

psychology

What is basic science? What is applied science? What traits to people need to be successful in basic science psychology fields? applied science?

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 ...

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 ...

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.

science

Write a java program using classes and object to read the em[loyee code (Integer), Imployee name (string), Basic salary )double), Category (Character)then calculate the bonus(double)and the total salary(double)eligible for each employ. The output should have the employee code...

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.

SCIENCE

1. Receives proteins and materials from the ER, packages them, and distributes them. 2. Has passageways that carry proteins and other materials from one part of the cell to another. Need help making these 2 sentences in a flattering discription

MEDICAL HW HELP!!!!

There a high school elective that when you learn about basic vital signs, basic pathology, basic medical asepsis, basic health problems, etc. I forgot the name... do you know?

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?

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.

Creating High-Quality Centers

Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and toddlers. B. Infant and ...

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.

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 ...

critical thinking

Which of the following is a false statement about a basic dictionary? A. A basic dictionary is organized in alphabetical order. B. Various types of words are included a basic dictionary. C. The pronunciation of words is provided in a basic dictionary. D. In a basic dictionary...

computer,science, java

Inorder to motivate the employees, the company has decided to announce the different types of bonus depends up on the employee’s Grade. If the employee belong to Grade A bonus=20% basic Grade B bonus=15% basic Grade C bonus=10% basic Grade D bonus=7% basic Grade E bonus=5% ...

science

what are sources of paper waste materials. Explain how paper waste materials affect biological diversity in the environment.

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...

Science

Students were given materials to complete a circuit to turn on one light. The materials received were 2 wires,AA battery, and various sizes lightbulbs.What is the variable in the experiment? Wires,battery, size of lightbulb, or time of day

Art

how are art and conservation science connected in this sculpture? A. The artists was repurposing materials to create art B. The artists only used brand-new materials to create art. C. the artists created a piece that could not be sen by others D.The artists used chemical ...

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...

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 ...

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 ...

science

Discuss scientific and technical concepts related to materials science for plastics

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 ...

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?

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...

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 ...

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. ...

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. ...

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.

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 ...

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?

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...

visual basic

Write a visual basic program to calculate total pay of employee who get an additional pay of 10% to their basic salary if they worked for more than 10years for the company

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 ...

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

science

Are all materials in 3d why or why not?

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

childcare

A. cost B. height C. funishing materials D. surface materials (My answer is C) Please help

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?

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 ...

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"

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?

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.

science

what is a mineral formed from dissloved materials?

science

What kind of materials block sound.

science

what are the properties of the materials for winter boots

Science

A list of materials of alloys of iron.

Early ed

The most important consideration when installing playground equipment is? A. Cost B.height C.finishing materials D. Surface materials

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...

childcare

The most important consideration when installing playground equipment is A cost B height C finishing materials D surface materials My answer is C

science

how to make an american flag 3-D with materials but not on paper

science

in which of the following materials is the velocity of light greatest

science

need help with what are the raw materials of respiration and their products?

Science

What kinds of materials tend to be conductors? Insulators?

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 ...

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

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 ...

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. ...

Chemistry-is this correct?

Calculate the pH and identify as acidic, basic,or neutral 1. H= 1.10 * 10^-11 M Answer: pH=11, basic 2. H= 2.61 * 10^-2 M Answer: pH:1.58, acidic 3. OH= 4.0 * 10^-9 M pH: 8.39, basic

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 ...

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 ...

science

What materials can I use to make an imprint like a fossil?

Science (Chemistry)

Why do ionic materials dissolve so well in water, but not in Hexane?

ENGLISH

WHAT ARE DIVERGENT MATERIALS? WHAT ARE CONVERGENT MATERIALS?

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?

Science

What is the basic unit for volume?

Basic science

What is the uses of (caco3)

Science

pH values of 12,6,10.5 and 4.3.which of these is acidic and basic

basic science

3 component of environment

Chemistry

Use the ion-electron method to write and balance the net ionic equation for each of the following reactions. MnO41- + Sn(OH)31- MnO2 + Sn(OH)62- in basic solution MnO41- + (COOH)2(aq) Mn2+ + CO2(g) in acidic solution I2(aq) + S2O32- I1- + S4O62- Zn(s) + HgO(s) ZnO(s) + Hg(l) ...

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...

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 ...

science- rocks and minerals

what is a type of mineral that is formed from dissolved materials?

social science

what are the materials used for the construction of the famous konark temple?

science

what types of materials are volcanoes like Mount St. Helens made of?

Materials Science

A cube of aluminum contains 10^21 atoms. how long is its edge(in mm)?

Science

What factors may be affecting the amounts of materials that are being recycled in 0ntario?

Science

Describe the tools and materials that are provided by soil to play football

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 ...

science

What are 4 basic needs of every organism

Science

What is the basic structure of all organisms?

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 ...

science

When the electrons are aligned in the magnetic domains of two materials,what occurs- what is it called

Science-light

Shawn wanted to find out which of the four materials A, B, C and D allows the most light to pass through. He was given the following items: - A torch - A ruler - A light sensor connected to a datalogger - Four different materials A, B, C and D Shawn carried out his experiment ...

chemistry

A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!

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