CH304K Chapter 1 Notes Part 1
CHEMISTRY : the study of changes that MATTER undergoes.
MATTER: EVERYTHING around you, AND you!
EVERYTHING is made of chemicals- except a perfect vacuum!
There is no such thing as chemical free food, water or air.
Food, air o
CH304K Chapter 1 Notes Part 2
Whats Safe? : Risk Assessment
Use of scientific data to predict likelihood of occurrence. NOTE only able to predict probability of event.
Based on several factors, including:
TOXICITY: Intrinsic hazard a substance possesses
CH304K Chapter 1 Notes part 3
Chemically: - where did the pollutants come from? - how do they act as pollutants?
A lot of the USs pollution comes from:
energy generation or transportation
Pollution from Energy Generation:
Burn coal: makes energy. Use