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oldcorollas
Forums Junkie


Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
Re: Petrol Prices Tue, 13 September 2005 08:48 Go to previous messageGo to previous message
86tt wrote on Tue, 13 September 2005 16:03

oldcorollas: ur completely off-track,

no shit Razz, i've known that for years

86tt wrote on Tue, 13 September 2005 16:03


yes the materials on the earth may be able to be estimated, but it's only a number, and I don't know what point ur trying to make again


86tt wrote on Tue, 13 September 2005 16:03

When you say the world have limited amounts of material I would certainly disagree, because the amount of mass underneath the earth's crust is unimaginable



you said you couldn't imagine it, i said it could be measured AND IS FINITE.. sheesh...

86tt wrote on Tue, 13 September 2005 16:03


and yeah, so you mentioned fuel and oxygen will make it ignite (I assume you know it's called a chemical reaction?) and with a catalyst, it will react at a lower temp., so? Turning water into H2 and O2 is a chemical reaction, and I said that I've heard a rumour that a catalyst can help this chemical reaction, is it quantum theory? No, is this too hard for you to understand? I hope not...



che.. chemi... whu???

dude... i have a PhD in Metallurgy, my thesis was based on thermodynamics, diffusion and chemical reactions Rolling Eyes

turning water into 2H2 and O2 is a chemical reaction... but it is not energetically favourable. this is because a) you are reducing entropy, and b) you are absorbing enthalpy (and turning it into chemical bonds).
ie it TAKES energy to split water.. it doesn't happen spontaneously, even in the presence of a catalyst..

in fact, this is not completely true.. at high enough temperatures, water will break down into it's components, but at more than 1000C, there is plenty of energy to convert it back into water Razz (oh, i use water to control oxygen partial pressures in oxidation reactions too Razz.. forgot to mention that before Wink )

the problem here, is that you don't seem to understand basic thermodynamic fundamentals, and you continue to ignore them..

please go and do a quick calculation of the gibbs free energy of the reaction of water into it's constituents... i can tell you now that it will be positive Shocked

86tt wrote on Tue, 13 September 2005 16:03


oldcorollas wrote

why the fuck would you want to.. in summer.. take heat from outside and put it into a room.... you could just open a window

Did I say I want to take the heat from outside and put it into a room in summer? You're imagining things...



you actually said....
86tt wrote on Tue, 13 September 2005 16:03

I think you are fairly close, and this system is called a "heat-pump", but is set up in a very inefficient manner (taking heat from a not-so-hot room, and dumping it into a "hotter" room)
What if you do it the other way around? ie. Taking heat from a very hot place, and dumping it into a very cold place?


taking heat from a very hot place and putting it in a very cold place is usualyl called either:
a) a radiator on a car
or b) opening a window.

neither of these situations has any relevance to AIR CONDITIONERS, to which you were alluding.

a little bit of knowledge is far more dangerous than a bucket load of ignorance...

unfortunately my friend, you have both.

Cya, Stewart
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SubjectPosterDate
Read Message   Petrol Prices godsendTue, 06 September 2005 12:59
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Read Message   Re: Petrol Prices 86ttThu, 15 September 2005 14:48
Read Message   Re: Petrol Prices RWDboyFri, 16 September 2005 02:50
Read Message   Re: Petrol Prices 86ttFri, 16 September 2005 05:07
Read Message   Re: Petrol Prices smt_007Thu, 15 September 2005 14:31
Read Message   Re: Petrol Prices oldcorollasThu, 15 September 2005 14:45
Read Message   Re: Petrol Prices TRD_SupraFri, 16 September 2005 09:30
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