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Doesn't burning fossil fuel cause global cooling?


Doesn't burning fossil fuel cause global cooling?05-01-2019 15:57
Tai Hai Chen
★★★☆☆
(815)
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.
05-01-2019 17:25
Wake
★★★★★
(3894)
Tai Hai Chen wrote:
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.

That isn't the way it works. Firstly the weight of the carbon, oxygen and hydrogen molecules do not change making atmospheric pressure exactly the same.

Secondly, photosynthesis uses CO2 and H2O to built plants and breaks these down into individual molecules again.
06-01-2019 14:06
Tim the plumber
★★★★☆
(1284)
Wake wrote:
Tai Hai Chen wrote:
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.

That isn't the way it works. Firstly the weight of the carbon, oxygen and hydrogen molecules do not change making atmospheric pressure exactly the same.

Secondly, photosynthesis uses CO2 and H2O to built plants and breaks these down into individual molecules again.


His point is that the H2O will drop out of the air quickly.

That is the O2 that became CO2 is heavier but the O2 that became H2O with the hydrogen in the oil or whatever drops out quickly as rain.

Thus the net result is less air.

Yes, eventually the plants will recreate the carbon based molecules which releases the O2 back into the air but that is obviously a reasonably slow process.
06-01-2019 17:40
Wake
★★★★★
(3894)
Tim the plumber wrote:
Wake wrote:
Tai Hai Chen wrote:
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.

That isn't the way it works. Firstly the weight of the carbon, oxygen and hydrogen molecules do not change making atmospheric pressure exactly the same.

Secondly, photosynthesis uses CO2 and H2O to built plants and breaks these down into individual molecules again.


His point is that the H2O will drop out of the air quickly.

That is the O2 that became CO2 is heavier but the O2 that became H2O with the hydrogen in the oil or whatever drops out quickly as rain.

Thus the net result is less air.

Yes, eventually the plants will recreate the carbon based molecules which releases the O2 back into the air but that is obviously a reasonably slow process.

The H2O that is in the air is from evaporative processes and photosynthetic processes - these are a continuous process that are self-renewing. So the weight of the atmosphere changes very little and only in the chaotic swurling of the atmoshperes weather systems. CO2 in the atmosphere comes from carbon of combustion processes using atmospheric O2 and what was originally atmospheric C.

The "standard atmosphere" is not changed by this tiny change in additional carbon.
06-01-2019 21:19
Into the Night
★★★★★
(6962)
Tim the plumber wrote:
Wake wrote:
Tai Hai Chen wrote:
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.

That isn't the way it works. Firstly the weight of the carbon, oxygen and hydrogen molecules do not change making atmospheric pressure exactly the same.

Secondly, photosynthesis uses CO2 and H2O to built plants and breaks these down into individual molecules again.


His point is that the H2O will drop out of the air quickly.

That is the O2 that became CO2 is heavier but the O2 that became H2O with the hydrogen in the oil or whatever drops out quickly as rain.

Thus the net result is less air.

Yes, eventually the plants will recreate the carbon based molecules which releases the O2 back into the air but that is obviously a reasonably slow process.


Less air means more evaporation. The mass of the oceans and plants evaporating water will easily keep the air at the same pressure. Also, for every plant making carbohydrates, another dies and decays.

When you look at only side of the coin, you can't appreciate the other side.


The Parrot Killer
06-01-2019 21:26
Into the Night
★★★★★
(6962)
Wake wrote:
Tim the plumber wrote:
Wake wrote:
Tai Hai Chen wrote:
Oil is made of carbon and hydrogen. When burn, O2 in air combine with C in oil to make CO2, O2 in air combine with H in oil to make H2O. So much more O2 is destroyed than CO2 is created. So Earth's atmosphere becomes thinner. So air pressure drops. So colder.

That isn't the way it works. Firstly the weight of the carbon, oxygen and hydrogen molecules do not change making atmospheric pressure exactly the same.

Secondly, photosynthesis uses CO2 and H2O to built plants and breaks these down into individual molecules again.


His point is that the H2O will drop out of the air quickly.

That is the O2 that became CO2 is heavier but the O2 that became H2O with the hydrogen in the oil or whatever drops out quickly as rain.

Thus the net result is less air.

Yes, eventually the plants will recreate the carbon based molecules which releases the O2 back into the air but that is obviously a reasonably slow process.

The H2O that is in the air is from evaporative processes and photosynthetic processes - these are a continuous process that are self-renewing. So the weight of the atmosphere changes very little and only in the chaotic swurling of the atmoshperes weather systems. CO2 in the atmosphere comes from carbon of combustion processes using atmospheric O2 and what was originally atmospheric C.

The "standard atmosphere" is not changed by this tiny change in additional carbon.

There is no atmospheric C other than things like soot and other particulates. Plants convert CO2 and water into carbohydrates, venting excess oxygen and water. Some carbon and oxygen stays behind (until the plant dies). Carbon by itself is not normally part of the atmosphere.

The Standard Atmosphere is a standard, not the actual atmosphere, Wake.

We know the pressure doesn't change, beyond weather systems moving around, because of things like barometers. That's essentially a pressure gauge. It still generally ranges anywhere from 28 inches to 32 inches, just as it always has, since we invented the things.


The Parrot Killer




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