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Charles Env Chem
Environmental Chemistry
| Question | Answer |
|---|---|
| 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
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