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Originally Posted by CBFryman
sorry, i agree with you ocmpletely except for the compressiong this. Once and For all... COMRESSING AIR IS NOT A CHEMICAL CHANGE. Fule burning in the cylender is an exothermic reaction, mechanically compressing air is not. there for it can not be clasified as a reaction. all you are doing is concentrating energy. this causes a tempature rise. here is how you can know if your compressor is doing anything as far as getting extra air into the cylenders.
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Seriously you need to back off a bit and stop being so anal retentive. I said reaction not chemical reaction. Last time I checked the word "reaction" is not a term reserved exclusivelly for chemical reactions.
So what if i would've said:The procces of mechanical air compression will release heat and according to dictionary.com
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Releasing heat: an exothermic reaction.
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or if you word prefer another source Merriam Webster:
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Main Entry: exo·ther·mic
Pronunciation: -mik
Function: adjective
Etymology: International Scientific Vocabulary
: characterized by or formed with evolution of heat
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Main Entry: re·ac·tion
Pronunciation: rE-'ak-sh&n
Function: noun
1 a : the act or process or an instance of reacting
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Lets place the two words into a phrase according to the two definitions:
When you compress a gass it will react(not in a chemical sense) by releasing heat.
Or
When you compress a gas it will react trough an exothermic reaction.
So according to two major sources my english was correct.
Of course exothermic reactions ussually refer to chemical reactions releasing heat. And yes I could have called it an exothermic phenomenon to avoid posible missunderstanding about chemical reactions, but there was no need for you to reply by schooling me like a 3 year old.
I did pursue quite a few science classes at university level even if my major did not require it and I would've hoped that you had enough knowledge of physics to understand that my username hints to a certain hobby of mine. So i do not apreciate being lectured due to some debatable semantics.