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Benzene and Dry cleaning

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Youstina Abdelsayed

on 18 December 2012

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Transcript of Benzene and Dry cleaning

What is dry cleaning? Reactions Benzene's History Sources of Benzene Forest fires Volcanoes and Dry Cleaning Benzene H H H H H H C C C C C C olorless or light yellow liquid Molecular Formula: 6 H 6 as a sweet odour ighly Flammable Other properties of Benzene: - Poisonous
- Non-polar covalent molecule
- Evaporates quickly when exposed to air Crude oil Cigarette smoke Michael Faraday - 1825 1820's Eilhard Mitscherlich - 1833 1830's 1840's A. W. Hoffman-1846 August Kekul-1860 1930's Linus Pauling- 1931 Applications Benzene's effects on our Health and environment When When Environmental effects Dry cleaning Agents through the Years 1860's problems? problems? Decamethylpentac-yclosiloxane (D5) 1920's 1930's 1999 Stoddard Perchlorethylene Benefits? Ontario and the World References
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