Copper

lois_must_die200 asked: My step-father bought a house that is is fixing up to sell all the doors in the house had dirty copper doorknobs. What can I use to get the rust and grime of of them that will be cheap but at the same time work correctly?The Welding, Brazing and Soldering of Copper and [...]

Continue Reading What is an inexpensive way to clean copper doorknobs?

Tags: Copper, Doors, Time Work

Agellius CM asked: My son built a project which was supposed to generate electricity to light a lightbulb. He didn’t follow any instructions but came up with his own idea, based on something he read in a book.What he did was put some strong neodymium magnets on three vertical, spinning shafts, with a copper coil [...]

Continue Reading Help with science project – magnetic generator?

Tags: generate electricity, Science Project, Strong Neodymium Magnets

tamika j asked: I am considering the purchase of a forclosure home and the copper wiring has been stolen.Cabling: The Complete Guide to Copper and Fiber-Optic Networking

Continue Reading How much would it typically cost to replace copper wiring in a 1250 square foot home?

Tags: Copper Wiring, Square Foot

terry37027 asked: The top is clean except for a copper semi-circle left from melted copper from the pan. Is there an effective way to remove the copper residue?Website content

Continue Reading We recently let a copper bottom pan over heat on the glass cooktop of our range. How do we remove copper?

Tags: Copper, Semi Circle

David R asked: I am begining my journey on the scrap metal business. Specifically copper. I am aware of some places to find copper most commonly cords. I was wondering if any of you guys would know where I could look to find larger amounts of it. Bascially items that would have a copper gold [...]

Continue Reading What materials contain high quanities of copper ?

Tags: Begining, Metal Business

Science asked: I understand the initial process being thermal decomposition changing the compound into copper oxide. I would relish in the knowledge of how to then change this into copper. Please help. Thank you.Website content

Continue Reading How do you extract copper from copper sulphide?

Tags: Copper Sulphide, Thermal Decomposition

paul67337 asked: I have to replace the main water shutoff valve for my house. The handle broke off while doing other repairs. It’s on a 7/8 inch copper pipe in a hole about 2 feet in the ground. I had to replace another valve in my garage, and used a single cylinder MAPP gas torch [...]

Continue Reading Sweating larger copper pipes & valves outside?

Tags: Acetylene Welding, Copper Pipes, Sweating Pipes

Baked Beans asked: The experiment I am focusing on is between yeast and hydrogen peroxide, and the rate oxygen is being produced. I am testing to find out how the concentration of copper sulfate in this reaction affects the rate of reaction (oxygen being produced) I want to know what copper sulfate actually does when [...]

Continue Reading What does copper sulfate do in a reaction when acting as a catalyst?

Tags: Copper Sulfate, Hydrogen Peroxide

thebigone asked: I stay in a Home Owners Association Community. At my water meter I noticed some water seepage. Long Story Short….. I had a plumber come fix the leak. The state licensed plumber informed me that the tree that was near my water line has Support Stakes (wood that help the tree grow straight) [...]

Continue Reading Is my HOA approved landscaper responsable for my water line breakage?

Tags: Home Owners Association, Water Line, Water Meter

funksoulfx asked: Processor (CPU) AMD PHENOM™ II X4 955 (3.2GHz) BLACK EDITION (Socket AM3) Memory (RAM) 4GB CORSAIR XMS3 DDR3 1333MHz – LIFETIME WARRANTY (2x2GB) Motherboard ASUS® CROSSHAIR III FORMULA: DDR3 – Republic of Gamers, CrossfireX – 2 x PCIe x16 Graphic Card Slots (Dual x16) – 3 PCIe x1, one with Supreme FX sound [...]

Continue Reading AMD Vs Intel – Features, Compatability, Overclockability, Upgrades, Speed, Price – THE BIG QUESTION! 10pts1?

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