Lecture_1-Water

Lecture_1-Water - On#ear'h#where#ever#water#is#found...

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PART I: THE BASICS Water On ear'h, where ever water is found, there is life. We’re 60-75% water. Clickers on now. Body Count: Choose A What’s so special about water? WATER What is the electronic geometry of a water molecule? A. bent B. trigonal planar C. tetrahedral D. pyramidal E. square planar
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WATER What is the molecular geometry of a water molecule? A. bent B. trigonal planar C. tetrahedral D. pyramidal E. square planar WATER What is the bond angle between the hydrogen atoms of a water molecule? A. 109.5° B. 104.5° C. 120° D. 180° E. 90° WATER What is the charge character of a water molecule? A. Its atoms are covalently bonded so it has no charge character. B. It has partial positive character. C. It has both partial positive and partial negative character. D. It has partial negative character. PHYSICAL PROPERTIES 2 δ - δ + δ + 104.5° Hydrogen bond 0.177 nm (1.77Å) Covalent bond 0.0965 nm
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THE HYDROGEN BOND δ + δ - δ - Hydrogen bond donor Hydrogen bond acceptor NATURE OF H-BONDING IN WATER
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This note was uploaded on 11/28/2011 for the course CHEM 340 taught by Professor T.baird during the Fall '11 term at S.F. State.

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Lecture_1-Water - On#ear'h#where#ever#water#is#found...

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