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Questions tagged [environmental-chemistry]

For questions regarding chemicals and chemical processes that act on and interact within environmental systems.

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8
votes
1answer
7k views

Why does ozone, being heavier than air, not settle down? [duplicate]

Is this because of some equilibrium between diffusion and gravity ? What exactly is responsible?
6
votes
2answers
919 views

What causes methane to have 25 times higher global warming potential than CO2

What causes methane to have 25 times higher global warming potential than $\ce{CO2}$? I think it has to do with $\ce{CH4}$ being a less massive molecule, but I'm not sure.
33
votes
4answers
6k views

How much CO2 could you remove from the atmosphere with 2 trillion USD?

I know it's possible to capture $\ce{CO2}$ with various chemical reactions. For example NASA's space shuttle had some kind of regenerative $\ce{CO2}$ scrubber. But how expensive is it? Could a huge ...
23
votes
1answer
1k views

What is K2O-nSiO2-xH2O?

In need of $\ce{K2SiO3}$ for my cucumber plants, I purchased a bag of potassium silicate. The molecular formula is $\ce{K2O-nSiO2-xH2O}$. Normally, my bags of fertilizer are easy to figure out. For ...
4
votes
1answer
793 views

Efforts made to reduce the amount of CFC

Till now I have heard $\ce{CO2}$ is the main reason of global warming. I have studied the remedies to control $\ce{CO2}$ many times through books, awarness programs, etc. But today I learned about ...
2
votes
2answers
108 views

How to determine source of air pollution

It should be determined by some metal markers (meaning originating from traffic etc.) but I cannot find any source which would describe it. Thanks.