CHEM 1A03 Lecture Notes - Lecture 5: Lightning, Calcium Hydroxide, Desulfurisation

• School: McMaster University
• Department: Chemistry
• Course: CHEM 1A03
• Professor: Adam Hitchcock

Document Summary

Acid rain: primary vs secondary pollutants: most natural water is weakly acidic (5. 6) due to dissolution of co2 (minor trace gas, other gases (so2 & nox) from things like volcanic eruptions, microbe/algae, lightning etc. Environmental impact: acidification of soil/water, high (h3o+), leached al3+ metals toxic to aquatic organisms & plants/trees. Health: primary/secondary pollutants irritants (asthma/cvd), components of photochemical smog/acid mist. Remediation & flue gas desulfurization: certain lakes resist acidification, acidified lakes can be remediated (throw in limestone, calcium oxide ( slaked lime slurry.