I have a friend, he bring me a cooler thats inner's copper tubing are blocked with sludges or silicates matter(may made of sand, dust etc.. He found this...
Does the tube flow water? If so I would fill her up with a strong acetic (ethanoic) acid solution and leave for a few days. The main body of sudge is probibly...
hello everybody, i am in bad need of some books on fundamentals of inorganic chemistry and physical chemistry.if anyone have any book will u please upload it ...
dear friends. please tell me which book i should refer to get indepth knowledge about the polymers.i want to know about the chemical that is used for concrete...
I am doing a titration to know about the concentration of edta, however, i just got a set of hardness which includes a buffer solution (not known what it is...
I think EDTA or complexometri Titration need a Buffer to keep pH value. Buffer not react with sample or titrator. so if you procedur as that requirement I...
dear friend thank you for your reply I am from Iraq and I am assistant prof in college of dentistry University of Mosul, my research es in the flexible...
Hi everyone! can you please recommend very good environmental science journals w/ case studies that involve statistical procedures? and where can I download...
Hi everybody! I don't know that in three orbitals p: px, py, pz, I'll add electron in what orbital first? How is the deference of there orbitals'energy? This...
px py pz have no order they are all degenerate meaning they have the same energy it does not matter which one gets the electron first in the orbital diagram...
hello everybody. i can not access gigapedia.org if i want to log in with my id which is my gigapedia account they replied no such user.and their registration ...
Gigapedia.org seems to occasionally lose accounts. I am not sure whether this is accidental, or is done automatically to those with insufficient on-site...
You can see lots of excellent journals of environmental sciences on databases like: www.sciencedirect.com www.interscience.wiley.com www.springerlink.com You...
I have lots of ebooks in chromatography, mass spectrometry and related techniques for the analysis of environmental pollutants and pesticides. I have also some...
Hi!I homeschool my kids and I have a son taking high school chemistry.I got stuck with a few questions. Can sombody please help me. Thanks. Lesson: Colloids Q:...
Answer for b. Is H2O(44. 8l) Sent via BlackBerry from T-Mobile ... From: "marissa_n_olson" <marissa_n_olson@...> Date: Mon, 18 Aug 2008 05:42:22 To:...
Is there anyone who can share some e-book on Heterogenous Catalysis? I really need to study more on this subject. Or if anyone can share this book: ...
Add up the atomic weights of each of the elements in the compound. For example with H2, (sorry no subscripts in this email) there are two hydrogens so the...
Since it seems that you are getting the answer in pieces, I thought I would answer your questions. Activated charcoal absorbs various gases and holds on to...
Hi, Wikipedia has a nice article on your first question: http://en.wikipedia.org/wiki/Activated_carbon www.virtlab.com has a simuulated laboratory with...
Hi, Can somebody tell me the easiest way to refine 1 Ton used lubricating engine oil which is dark black in colour. Distillation is not a suitable process for...
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