Early experiments
One of the first known experiments on the relationship between combustion and air was conducted … Mehr anzeigen

Photosynthesis and respiration
In nature, free oxygen is produced by the light-driven splitting of water during oxygenic Mehr anzeigen

The oxidation state of oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds … Mehr anzeigen

Properties and molecular structure
At standard temperature and pressure, oxygen is a colorless, odorless, and tasteless gas … Mehr anzeigen

One hundred million tonnes of O 2 are extracted from air for industrial uses annually by two primary methods. The most common … Mehr anzeigen

Oxygen storage methods include high-pressure oxygen tanks, cryogenics and chemical compounds. For reasons of economy, … Mehr anzeigen

Medical
Uptake of O 2 from the air is the essential purpose of respiration, so oxygen supplementation is used in medicine. Treatment not … Mehr anzeigen