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A chemical substance is a material with a specific chemical composition. A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory. Some typical chemical substances are diamond, gold, salt (sodium chloride) and sugar (sucrose). Generally, chemical substances exist as a solid, liquid, or gas, and may change between these phases of matter with changes in temperature or pressure. Chemical reactions convert one chemical substance into another. Forms of energy, such as light and heat, are not considered to be matter, and thus they are not "substances" in this regard. From Wikipedia under the
GNU Free Documentation License  hacksrus.com 375px x 500px | 33.40kB [source page] Jan 12 2003 Feb 1 2003 Time in the MUIC 60 Maj Gardemal dons the New J LIST Chemical Suit jpg  images.starpulse.com 335px x 445px | 53.20kB [source page] My Chemical Romance From Yahoo Image Search: "Chemical"  soberplace.com admin hu, 24 Dec 2009 18:19:44 GM Child neglect remains one of the most devastating and overlooked root causes of . chemical. dependency such as alcohol abuse and drug addiction. In fact,  chemicalplantsafety.net lukman hu, 24 Dec 2009 14:42:16 GM Ear Plug Safety Videos That Will Teach You How to Use Ear Plug and Reomove it Safely.  iulren.com Justin Mann ue, 22 Dec 2009 21:54:20 GM When individuals consider air purifiers, their first thought normally has to do with allergies, and a lot of those are tough to manage. However for someone with multiple . chemical. sensitivities, the task of cleaning the air they breathe ... From Google Blog Search: "Chemical"  news.google.com NOLA.com Representatives of Louisiana's energy and chemical industries warned of impending job losses as the Environmental Protection ... Perry asks EPA to retract greenhouse gas finding Houston Chronicle all 2,438 news articles » news.google.com Washington Post The US Army Corps of Engineers this week said that it has collected for disposal next year five discarded World War I chemical weapons ... and more » news.google.com Suffolk News-Herald ... News-Herald Suffolk's fire marshal continues to investigate the cause of a blaze that destroyed a large portion of a chemical plant building on Sunday. ... Cameron Chemical Plant catches fire in Suffolk, still under investigation WTKR Your NewsChannel 3 Suffolk firefighters put out fire at chemical plant Daily Press Firefighters battle smoke and flames at Suffolk chemical plant WVEC.com (subscription) all 11 news articles » From Google News Search: "Chemical" What causes the chemical imbalances that lead to depression? Q. The medical fraternity often claims that a major cause of depression is chemical imbalance. However, there is seldom any discussion about what causes the chemical imbalance. I would like to learn what this may be. I have my own thoughts but would like to hear from others about probable causes. Asked by Johnny - Mon Oct 22 06:52:41 2007 - - 4 Answers - 0 Comments A. You posted an answer to my question regarding my thesis and I'd just like to say I definitely agree that depression is being blamed "brain abnormalities", such as serotonin reputake. However, at this point, we don't even fully understand the full spectrum of how these chemicals work and what exactly they do. The scary part then is why are all of these medications being prescribed when we don't even understand what's wrong? And the even scarier part is they don't even know what anti-depressants really do to the brain!! The little that pharmaceutical companies do know is being hidden from the FDA and the general public. Check out some of Peter Breggin's books, he makes a lot of interesting arguments against simply treating psychological… [cont.] Answered by MAnda - Mon Oct 22 18:03:42 2007 What chemical lipid and carbohydrate does peanut butter have in it? Q. I need to find what the chemical lipid looks like in the peanut butter but I'm confused. And I need to draw it and stuff. The ingrediants say: peanuts, sugar, fully hydrogenated vegetable oil (rapseed, conttonseed and soybean,) molasses, salt. But I need to find the carbohydrate in it and the lipid in it. And I think the lipid in it would be the vegetable oil, but I'm not sure. I have to draw it and stuff. But I have no idea what I'm doing. Asked by Becca - Thu Nov 13 18:28:21 2008 - - 1 Answers - 0 Comments A. "Some common lipids. At the top is oleic acid and cholesterol. In the middle is a triglyceride composed of oleoyl, stearoyl, and palmitoyl chains attached to a glycerol backbone. At the bottom is the common phospholipid phosphatidylcholine." Answered by Patrick - Thu Nov 13 18:34:15 2008 Is it safe to pour household chemical waste down the sink with plenty of water?
Q. Is it safe to pour household chemical waste down the sink with plenty of water? Ive always wondered on whether its best to pour down household chemical waste down the sink with alot of water is bad cause someone told me its just as bad as pouring it down alone. Should you just refrain from pouring down anything "chemical" down the sink? Why though when you can just take the easy way and pour it down the sink? Asked by Krissy - Mon Oct 19 15:36:10 2009 - - 5 Answers - 0 Comments A. I don't know if it's bad, but I've always put it down the toilet and flush. Answered by mom of 3 and done! - Mon Oct 19 15:40:35 2009 From Yahoo Answer Search: "Chemical"
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