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Charles Env Chem

Environmental Chemistry

These can be solid, liquid or gas and cause harm to the environment. Pollutants
These are produced when coal containing sulphur is burnt. Oxides
When the pH of water falls below 5.6, this forms Acid Rain
When water has a pH of 7.0, it is called this Neutral
This type of air pollution is a combination of smoke and fog Smog
Bacteria and other organisms that can enter water from domestic sewage and animal waste. Pathogens
The process by which algae-like organisms reduce dissolved oxygen in water. This effect is harmful. Eutrophication
A way of thinking about utilizing the knowledge and principles of chemistry that would control environmental pollution. Green Chemistry
The limit of a pollutant that a healthy worker is exposed to daily or in a 40 hour work week with no adverse effects Threshold Limit Value
This originates from industrial and residential insulation and is harmful to the atmosphere and humans. Asbestos
Chemicals used for killing insects, fungi and weeds Pesticides
This measures how much Oxygen must be in a water sample so the bacteria can break down substances Biochemical oxygen demand
This layer of the Earth's atmosphere contains the Ozone (O3) layer and extends from approx. 6 to 31 miles above Earth. (Some planes can also fly here) Stratosphere
The measure of how strongly a chemical can degrade the ozone layer. (ODP of 1.0=highest level) Ozone Depletion Potential
Harmful substances, such as refrigerants, that break apart the Ozone layer chlorofluorocarbons
Pollution of the earth resulting from human activity Anthropogenic
Found in the nucleus of an atom, these have a positive charge Proton
Found surrounding the nucleus of an atom, these have a negative charge Electron
Found in the nucleus of an atom, these are electrically neutral (no charge) Neutron
These elements on the periodic table have a stable outer electron shell and are not chemically reactive. Noble gases
Composed of Hydrogen and Carbon, these are the main components of petroleum and natural gas Hydrocarbons
This element forms extremely complex molecules and is the basis for environmental chemistry and the chemistry of living organisms Carbon
This reports the quality of water, on a scale of 1-100, and is useful to the consumer. Water Quality Index
The concentration of inorganic salts (calcium, potassium, magnesium, sulfates, chlorides, etc) that are found dissolved in water Total Dissolved Solids
Agency of the federal government that was created for the purpose of protecting human and environmental health Environmental Protection Agency
This is the layer of the Earth that we live on, and is the principle area of investigation in Environmental Chemistry. Crust
A suspension of particles in a gas, (dust, pollen and soot). Aerosol
Paints, cleaning supplies, furniture, printers, and glue (along with thousands of other products) that have low boiling points and are toxic to the environment. Volatile Organic Compound
An atom with an unpaired electron that can cause unhealthy changes to ones DNA and genetic material. free radicals
Created by: bioedteacher11