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Q: Which gas is among CO2 CH4H2 will duffuse faster and why?
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Which gas is among CO2 CH4 H2 will diffuse faster and why?

H2 will diffuse fastest as it has the least molecular weight.


Which gas from among CO2 CH4 H2 will diffuse the fastest and why give the reason?

co2 because it is lighter than oxygen gas


What happens when you mix CO2 and dry ice?

Well, for starters, I assume that you already know that dry ice, as it is commonly called, is frozen CO2. Second, I assume that the CO2 that you are referring to is in a gaseous state. If these assumptions are true, then mixing dry ice and CO2 would accomplish next to nothing. The gaseous CO2 would get colder, and the dry ice would sublime faster or slower, depending upon the surrounding temperature before adding the gaseous CO2 compared to the temperature of the gaseous CO2. If warmer, it would sublime faster. If colder, it will sublime slower.


What will happen if the build up of carbon dioxide in the air is a lot faster than the rate of consumption of the plants?

There will be more and more carbon dioxide in the air. Carbon dioxide (CO2) is a powerful greenhouse gas. Plants (grass, trees and all vegetation) absorb CO2 out of the air and store it. If the CO2 build up is faster than the plants' consumption then there will be more CO2 in the atmosphere. The CO2 will hold more and more heat from the sun, and earth will get warmer and warmer.


Why does carbon dioxide diffuse faster than sulferdioxide?

CO2 is much smaller than SO2