How many moles of O2 will be formed from 1.65moles of KClO3?

The biosphere of the earth is made up of what compound? organic or inorganic?

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?