002 - WHY STUDY CHEMISTRY? Affects all aspects of our life...

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WHY STUDY CHEMISTRY? Affects all aspects of our life Interactions with the environment Ozone hole Greenhouse effects: Global warming Foods, detergents, pesticides, etc. .. Professionally Physicians: blood chemistry, new diagnostics such as MRI Pharmacists: medications; metabolism, drug delivery Large scale: Interstellar space, planets Small scale: STM, integrated circuits, batteries
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DHMO Environmental Hazards Each year, DHMO is a known causative component in many thousands of deaths and is a major contributor to millions upon millions of dollars in damage to property and the environment. Some of the known perils of DHMO are: - Death due to accidental inhalation of DHMO, even in small quantities. - Prolonged exposure to solid DHMO causes severe tissue damage. - Excessive ingestion produces a number of unpleasant though not typically life- threatening side-effects. - DHMO is a major component of acid rain. - Found in biopsies of pre-cancerous tumors and lesions. - Gaseous DHMO can cause severe burns. - Contributes to soil erosion. - Leads to corrosion and oxidation of many metals. - Contamination of electrical systems often causes short-circuits. - Exposure decreases effectiveness of automobile brakes. - Often associated with killer cyclones in the U.S. Midwest and elsewhere.
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This note was uploaded on 02/23/2010 for the course CHEM 115ALg at USC.

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002 - WHY STUDY CHEMISTRY? Affects all aspects of our life...

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