http://www.celebratingonline.com Do you like brainteasers? Not trivia like who played in the 1921 World Series, but questions that, once you see the answers,...
DAMMIT!!! Well, my story is different, it's more of a fantasy/morality novel; my apocalypse is the result of a war in Hell between the devils Leviathan and...
Hello! I'm a senior chemistry major--with an emphasis in biological chemistry--searching for a summer position in the Boston area, as I will be entering a...
Amy, contact pharmaceutical company Human Resource departments to inquire about summer internships or co-op positions. This is a good time of year for doing...
Look in the LINKS section of this group for free Web-based alternatives to conventional textbook treatments of chemical bonding, equilibrium, and much more....
Hi, Electrophilic additions reactions occur when the electrophile, adds to the molecule without displacing any atom or group of atoms already present in the ...
... START OF MESSAGE Consider the reaction of HCl with ethylene (C2H4). HCl dissociates into a proton and a chloride ion. The proton is the electrophile (it ...
Hi I am finishing off an assigment for AS Chemistry on alternatives to petrol as a fuel for cars. I am looking at Methane. And will be giving a short ...
Apart from the obvious storage and transfer of methane it has less energy per gram than say diesel. What oil companies now do is convert methane or LPG to syn...
hi In my opinion using H2 in cars is the worst idea because of its low density and explosiveness, second comes methane. Though methane is cheap compared to ...
Go for it!! I prefer Hydrogen and I am work with a home made fuel cell in the garage. BUT Methane will work. Some farms have used the methane gas made from...
Paul Might be worth checking on Ballard fuel cells using methane they are listed on Toronto stock exchange BLD or nasdaq bldp lots of info from company...
Does anyone have the Mark-Houwink constants for polyacrylamide at 30°C? Also is there an online source for these? The polymer Handbook seems a bit dated. ...
Hi Does anyone know where I can read up on how Avogadro came up with the mole? What lead up to this number? Where can I look to find this information? How...
Hi Laura, very nice to meet you, You might be able to progress your search by taking a look at: http://gemini.tntech.edu/~tfurtsch/scihist/avogadro.htm and...
... the ... START OF MESSAGE The mole is the term that brings together the gram-molecular weight, the gram-ionic weight, the gram-formula weight, etc. It is...
Does anyone have the Mark-Houwink constants for polyacrylamide at 30°C? Also is there an online source for these? The polymer Handbook seems a bit dated. ...
Thank you Octanediol. I do "get" Avogadro's number and think it's very cool. I was just wondering about the history of the number. The site Geoff gave gives ...
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Hello, everyone, I am new here. I am a Chinese student. I am in grade 9 this year and this June, we will have a big exam, it is the graduation examination of...
Dear Shuai! In answer to your question: There is no Royal Road to Chemical Understanding. If you have a question, please post it here. There are very many wise...
Dear Tibor: Stan is right. Melt the sulfur. You do not even have to pour it into water. Both rhombic and monoclinic sulfur will melt into polymeric amorphous...
Dear Tibor: Stan is right. Melt the sulfur. You do not even have to pour it into water. Both rhombic and monoclinic sulfur will melt into polymeric amorphous...
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