Metal Definition and 999 Threads

Steel is a metal alloy whose major component is iron, with carbon content between 0.02% and 1.7% by weight Carbon and other elements act as a hardening agent, preventing dislocations in the iron atom crystal lattice from sliding past one another Stainless steel has a minimum of 10%...

Is it possible to slice a metal to the thickness of... ...an atom?

In textbooks they normally emphasis the fact that when metals and nonmetals bond, the nonmetal takes away an electron from the metal resulting in ionic bonding betwen the two. But metal and nonmetal can still result in covalent bonding when the electronegativities between the two are similar...

A metal container, which has a mass of 9.0 kg contains 17.6 kg of water. A 2.0-kg piece of the same metal, initially at a temperature of 200.0°C, is dropped into the water. The container and the water initially have a temperature of 15.1°C and the final temperature of the entire system is...

I have what is hopefully a quick question. Using only an unmarked magnetic bar and an identical metal bar, suggest a way to find out which is the magnet and which is the metal bar. This is supposed to be in a room with nothing but these two materials. Any help is greatly appreciated!

Can i get some help with this problem? This problem deals with the basic loop configuration you will use in the laboratory to construct a metal detector. Two concentric circular coils of wire lie in a plane. The larger coil has 49 turns and a radius of a = 7.90 cm. The smaller coil also has 49...

Metal in water thermal equilibrium?? Help Determining temperature of an oven. Guy puts a copper bar with a mass of 5.0 kg in the oven and puts an identical bar in a well-insulated 20.0 liter vessel containing 5.00 L of liquid water and the rest saturated steam at 760 mmHg. Waits until bars...

The problem is I have two blocks on an inclined plane. They are connected by a metal rod. The bottom(2) mass provides the dominate force. Fiction is involved. They have different kinetic coefficients of friction. I need to know the acceleration of the system and the tension in the rod...

Hello everybody, I have some problems in order to count the electrons in compound using the 18th electrons rule. In the compound [(BuO)3 Mo Mo (OBu)3] I count 12 electrons (6 e- for Mo, 3 * 1e- for Metal-Metal bound, and 3 * 1e- for OBu). Is it correct? In the compound W(CO)3(P...

A metal strip 7.50 cm long, 0.550 cm wide, and 0.800 mm thick moves with constant velocity v through a magnetic field B = 1.00 mT pointing perpendicular to the strip, as shown in Figure 28-35. A potential difference of 3.90 µV is measured between points x and y across the strip. Calculate the...

Ok here's my problem: When I put a piece metal in a graduated cylinder filled with water to measure the metal's volume by "water displacement" I see air bubbles trapped under the metal. How do the air bubbles affect the density, mass and volume of the metal piece? Thanks. Need quick answer...

Why it would be unwise to almost completely fill a test tube with HCL solution before adding a piece of metal? Is it because it's a acidic solution? Thanks

Does anyone know any good titles for books concerning metal alloys (esp. memory alloys)? Thanks, -scott

Why does my phone get a signal in a metal box?? Hi guys, Earlier today I was telling someone about how EM radiation of low wavelength would have trouble passing through a cold plasma. I gave the example of the metal mesh in front of a microwave (as metal can be treated like a plasma)...

Dumb question...but I don't know the answer. Is there a way to determine if a piece of metal will cause electronic interference? Is it true only for ferric metals, or can any type of metal cause transmission problems? Cya later, alligator

Hi, We know that when we connect the two parallel plates to a battery it will hold a +ve charge on the plate connected to positive terminal and -ve charge on the other plate. If we only connect one plate to the positive terminal, can it be charged? Isn't the positive terminal is at a...

My dishwasher in the kitchen has a metal cover inside and some persons got a small electric shock when they touched the metal cover with wet hands. So I took a voltmeter and measured the voltage between the metal cover of the dishwasher and the metal-washbowl (I suppose the metal-washbowl is...

A metal cylinder of 55kg, (0.2m in diameter), traveling at 2.5 km/sec strikes the earth. How big a crater can it be expected to make, given average characteristics for the ground where struck?

i wanted the techinical information. bending property of solid pipe and hollow pipe with same diameter. which will bend more and why ? i wanted the technical answer please help me out :smile:

Hello everyone. I'm a metal worker trying to do the layout for a project using a few nice curves. To do that, I need to get arc length, but I'm having trouble finding it for f(x)=x^3. If anyone can give me a nudge in the right direction for integrating (1+(3x^2)^2)^1/2, it would be greatly...

hello. can u help me with this planing execise manufacturers of sheet metal use rollers to produce the sheets. The sheets then pass along processing lines for painting. Transverse vibrations of these sheets results in a non uniform thickness of paint layers on the sheets. Electronmagnetic...

for a ferromagnetic metal, the there will be splitting of energy band(one for spin up e- and one for spin down e-) under the influence of external magnetic field. the it is known as exchange splitting. here are my questions 1. what determine the degree of splitting? i guess it depends on the...

Hello everyone! Our professor told us how to do this problem but it doesn't seem to be working. Here is what the problem says: (a) If the work function for a certain metal is 1.5 eV, what is its stopping potential for electrons ejected from the metal when light of wavelength 337 nm shines on...

Hi, I have a physics problem I need to solve which I think is quite straight forward but would appreciate some input on whether I'm going down the right lines Tow metal spheres hanging from the roof one of 10g (ball1) and one of 100g (ball2) ball1 is falling from a height of 15cm...

:confused: Hey ya, I need to design 3 different experiments to find the specific heat capacity of a metal block. I have got 2 but am just stuck for a third. The two i have are: Method of mixtures Heat up metal block in a water math, transfer to a cold water bath and observe the temperature...

Electro magnets / DC / metal wire / vibrating? Hi, just a very basic question: I just tried making my own electro magnet (copper coil, steel core, connected to a 12V 2A DC power source) and i noticed that when i hold a metal wire (or just anything that's normally attracted by magnets) in...

I have heard about this metal catalyst which splits hydrogen and oxygen on interacting with water. i was a bit surprised when i came to know that this is a cheap metal and readily available. Can you give me the name of the metal catalyst so that i can conduct expt in my labs.

Why is it that no one over the age of fourty can receive the fields metal?

Hi, I have a quick question. I was just wondering which type of coil is best for inducing electricity. If I pass a magnet over one end of the coil, would a metal core help more current to be induced or would an air coil be better? Thanks, Jason O

Hi, My camera USB cable has this cylindrical container close to the end where the USB connects to the camera. When I opened it up, the cable was going through two holes in the metal. The metal wasn't perfectly black, and it wasn't smooth. What is that piece of metal for? I don't know much...

I have always thought that people on this planet could invent nano technolgy its like another step from ordinary technology and it improves things like electricity and power to travel in space and I believe it won't be out until 2090 or 3100 so it won't be long until I find more about this so...

I want to know that why magnet attract only metal but not all thing . Since all thing are made up of atom, what make the metal so difference so that it can be attract by a magnet ?

Hey guys, Have a listen to what i do when I am not doing maths and physics (music wise). www.myspace.com/thevolatilegentlemen I hope you enjoy. It might make for some interesting late night (Britain) conversation. Or at the very least mildly annoy you.

If this stuff is so good why not use it instead of casting ? http://www.alibaba.com/catalog/10408794/Metal_Repair_Compound.html For small batch work, it seems ideal, i have seen other products that claim to be equal to this, ie one that repairs stainless steel, even shafts, there must...

I do not understand why Globular clusters, with ages around 10 Giga years, are so metal poor. Their stars are surely undergoing nucleosynthesis, right? Are all the stars in such cluster only of such low mass that they never explode as supernova and scatter their elements? TIA Sterling

This problem is somewhat similar to the one I had posted yesterday. There is a metal spehre, radius=x, that it surrounded by a conducting shell (also spherical) that has an inner radius=y and outer radius=Z. the total charge is 4 micro Coloumbs--> 1 micro Coloumb on the inner sphere, and the...

This problem is somewhat similar to the one I had posted yesterday. There is a metal spehre, radius=x, that it surrounded by a conducting shell (also spherical) that has an inner radius=y and outer radius=Z 1)Find electric field between the outer surface of the metal sphere and the inner...

When I comb my hair a few hair stick up some times due to static electricity. I was wondering if I used a comb made of some highly conductive metal like copper, would I not get the static electricity in my hair? When I comb my hair with the plastic brush, isn't the reason that my hair gets...

Question: A metal sphere of radius R carries a total charge Q. What is the force of repulsion between the "northen" hemisphere and the "southern" hemisphere? The force for a small area 'da' on the outer surface should be df = \sigma da E What E to use? My guess is that it should be averaged...

here's a question from my recent chem exam that i don't know how to approach: a sample of 0.600 mol of a metal M reacts completely with excess fluorine to form 46.8 g MF[SIZE="1"]2 a) how many moles of F are in the sample of the compound that forms? b) how many grams of M are in this...

I disagreed to the responce my teacher gave to this question "Why does a metal door knob feel colder that a wooden one on a cold day?" He said it was because the metal one has a lower specific heat, and the wooden one has a higher specific heat. He gave the example of tile and carpet on...

one reason for transition metal to form complexes is that it has some vacant d-orbitals but i wonder how this can really help the formation of complexes as in a complex, electrons are donated by ligands to stabilize the positive charge of metal cation there is just no need to promote...

[SIZE="3"]hiiiiiiiiii I hope for helping me I have a senier project about "metal heat treatment furnace designe and manufacture" First: I want to calculate the heat rate that required to raise air heat from 15 to 40 c in a specific volume like room with volume 4*4*3. Second: I want to know...

Ok, well the problem states: A metal storage tank with volume V is to be constructed in the shape of a right circular cylinder surmounted by a hemisphere. What dimensions will require the least amount of metal?The first step that I took was to draw a picture. I just drew a semicircle with a...

What substance is produced at the anode during the electrolysis of a mixture of molten calcium bromide and molten magneius iodide?

If anyone is familiar with NiTi metal, also known as Nitinol and muscle wire, I am trying to see if I can use it to create a complex shape, more specifically, I want to make a flower shape out of it. With a stem and petals, all made out of the metal. This is a part of a much larger project but...

i have heard this a few places but so far no one has explaned themselfs. i'd assume it has to do something with how the atoms bond, but electrons are pretty loose with metal that why it conducts so good. so i don't get it.:confused:

I've read in a book, that if you had a standing electromagnetic wave between two metal plates, only nodes would be at the metal plates. This is due to the infinite high conduction of metal, the book says. Why is that so?

types of fracture in metal