o kas yr?
On 12/19/2011 11:41 AM, pjezo wrote:
> cia buvo nevykes bandymas pajuokauti ar tiesiog mokyklos chemijos kurso spragos?
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> http://en.wikipedia.org/wiki/Oxidation
> Etymology
> The word oxidation originally implied reaction with oxygen to form an oxide, since (di)oxygen was historically the first recognized oxidizing agent. Later the meaning was generalized to include all processes involving loss of electrons.
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> The word reduction originally referred to the loss in weight on heating a metallic ore such as a metal oxide to extract the metal. Lavoisier showed that this loss of weight was due to the loss of oxygen as a gas. Later it was realized that the metal atom gains electrons in this process, and the meaning of reduction was generalized to include all processes involving gain of electrons.
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> The electrochemist John Bockris has used the words electronation and deelectronation to describe reduction and oxidation processes respectively when they occur at electrodes[1]. These words are analogous to protonation anddeprotonation, but they have not been widely adopted by chemists.
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> "mindis"<mindaugask123@gmail.com>  wrote in message news:jcmuil$hso$1@trimpas.omnitel.net...
>> Degimas pagal apibrezima yra oksidacijos procesas, kuraim butinas
>> deguonis, todel neimanomas fluoro aplinkoj.
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>> On 12/18/2011 08:52 PM, Dainiushas wrote:
>>> hmmm... gal nebent fluoro aplinkoj? :)
>>>