1. The dissociation of carbonic acid to form water and carbon dioxide gas is a major component of the soft drinks we consume. What happens to the acid content of a carbonated drink when the cap is removed and the carbon dioxide is able to escape?

2. One of the principles of green chemistry is to design less hazardous chemical syntheses both for human health and the environment. How does this principle relate to the difference between using an open system or a closed system during the syntheses?