In modern integrated gasification combined cycle (igcc) coal-fed power plants, oxygen is produced via cryogenic separation of air and is fed to the igcc plant along with coal. the separation of oxygen from air is expensive, what reason(s) can you give for doing this?

This element exists in adundance in the sun. explain how you would go about capturing sunlight. would this captured sunlight contain any of the element?

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?