The important chemical considerations in designing such a unit:
A particular kind of emergency breathing apparatus-often placed in mines, caves, or other places where oxygen might become depleted or where the air might become poisoned-works via the following chemical reaction:
4KO2(s) + 2CO2(g) → 2K2CO3(s) + 3O2(g)
Notice that the reaction produces O2, which can be breathed, and absorbs CO2, a product of respiration. Suppose you work for a company interested in producing a self-rescue breathing apparatus (based on the above reaction) which would allow the user to survive for 13 minutes in an emergency situation.
What are the important chemical considerations in designing such a unit?
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