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Q:How to clean the engine oil and kerosene on the surface of aluminum sheet?
it will disappear after rubbing with petrol.
Q:Which kind of glue is best for bonding wood and aluminum sheet together？
cm2, leather. 4, it’s durable and can endure 106 degree high temperature. Shock resistance, medium viscosity, enhancement mode, little smell, shock resistance, inactivated, hard for bonding, adhesives, wood brick. 480, little white sediment, bonding, acidity, 410。 415: filling the gaps, general furniture, high temperatuPlease operate in the environment of above 50 C, you can adjust according to the usage environment, the quick bonding of laminate , timber bonding and other parts，little white sediment, general type: 222286 belong to high solid, moisture content of bonding wood, shock resistance, low density materials, 6-10kg, bonding materials can conduct machining after having been placed for 24 hours: materials bonding. 3, 496, porous texture and humid environment: general type, coating uniformity of glue not over ±0, carpenter joggle. 6, medium viscosity, cyanoacrylate adhesive 401, good heat resistance, high density materials 12-18 kg packaging, Suitable for furniture. 414 (1) Formica, carpenter’s glue,
Q:after putting aluminum sheet into the area between magnet and iron products, could magnet attract iron again?
magnet can attract iron if the aluminum sheet isn't too thick. Because aluminum can't cut off magnetic line of force, unless aluminum sheet's thickness surpass the range of magnetic attraction.
Q:why does aluminum sheet not react with sulfuric acid nut react with hydrochloric acid?
aluminum reacts with hydrochloric acid,generating aluminium chloride which can dissolve in water. but aluminum reacts with sulfuric acid,
generating aluminum sulfate which can't dissolve in water and will generate aluminum sulfate, a layer of protective film, preventing aluminum from reacting with sulfuric acid, so there is no significant
Q:Why can't I melt aluminum?
Aluminium is a highly reactive metal and undergoes passivation. Thus, there is a highly non-reactive layer of Al2O3 around any piece of aluminium exposed to oxygen for any length of time. Al2O3 has a melting point of 2000+ degrees celsius, and it provides some amount of insulation to the aluminium below.
Q:What is the difference between composite bats and aluminum bats?
Q:3003H24 alloy aluminum plate refers to what kind of aluminum plate?
3003H241, the first to 3 words led by the expression is: manganese as the main alloying elements of aluminum alloy;2, second, 0 words indicate that the aluminum alloy, its impurity limit content without special control;3, third, fourth digit 03 indicates modification alloy, not too much actual connotation;4. H means products that increase strength by working hardening;5, 24 in 2 said the work hardening and incomplete annealing state (i.e. the degree of work hardening than product requirements after incomplete annealing strength is reduced to the specified index products) 4 means O is intermediate state to the 8 state that value.
Q:How much is the aluminum plate shearing machine?
Aluminum plate is soft, want to blade better, or it is easy to cut askew, and the size according to type, shearing machine size, and there is configuration to set, Jiangsu Germany forging has sold as if
Q:where can i take the aluminum cans and pull tabs to get money? ?
So saving pull tabs isn't a complete waste of time. But let's make one thing clear: *there's nothing special about pull tabs*. You'd save yourself a heap o' trouble and make a lot more money if you recycled the whole can. The Reynolds and kidney foundation people have tried to get that point across with a poster showing a red Ghost busters-type slash through a cartoon of someone trying to detach a pull tab from a can. The headline says, Keep Tabs on Your Cans. But the public hasn't gotten the message. Supposedly responsible people -- e.g., the honchos at your school -- will organize pull tab collection drives without even bothering to get the whole story. Urban legends expert Jan Brunvand reports that in 1989 a Minneapolis VFW post organized a pull tab collection drive for the local Ronald McDonald House. When Brunvand asked the organizers why they didn't tell people to save whole cans, they lamely replied that there were hygiene problems and that people liked mailing in the tabs, even though the postage often exceeded the value of the aluminum. In other words, it's not important to *do* good as long as people *feel* good. Sometimes I don't think we have enough common sense in this country to fill a teacup.
Q:a sample of aluminum chloride (AlCI3) has a mass of 37.2 g.?
You have to remember Avogadro's number: 6.02 x 10^23 Read about it in your text book. It is the number of molecules of any atom that make up 1 mole. 1 mole of a molecule is equal to it's atomic weight in grams. So, the atomic weight of aluminum is 26.9. So, 26.9 grams of aluminum contains exactly 6.02 x 10^23 molecules of aluminum (or 1 mole). What's the molecular weight of aluminum chloride? Well, 26.9 + 3(35.5) = 133.4 the 35.5 is the molecular weight of chloride and there are 3 of them. So, 133.4 grams of aluminum chloride would be 6.02 x 10^23 molecules. We only have 37.2 g. 37.2 g/ 133.4 g per mole = 0.279 moles. 0.279 moles x (6.02 x 10^23 molecules/mole) = 1.68 x 10^23 molecules of aluminum chloride. So, since there is one aluminum per molecule, you have your answer. Just multiply by three to find out how many molecules of chloride are present. Finally, if 133.4g = 6.02 x 10^23 molecules, then 1 molecule = 133.4 / 6.02x10^23 = 22.16 x 10^-23 or 2.216 x 10^-22 Make sure that the periodic table you use for class has the same values (some tables are more simplified then others). Also, make sure that you use the correct number of scientific digits when calculating your answer.