18 VSEPR - What is your friend's theory: why do molecules...

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1 1 What is your friend’s theory: why do molecules have the geometries (shapes) that they do? Why is water bent and not linear? Why is carbon dioxide linear and not bent? Why is sulfur dioxide bent and not linear? Do you (A) agree or (B) disagree? 2 V V S S E E P P R R
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2 3 Plays a very important role in determining molecular properties. Molecular Shape or Geometry Molecular Shape or Geometry Shape and electron distribution determine why water is a liquid and carbon dioxide is a gas at room temperature. Molecules with the right shape and electron distribution bind to other molecules and affect your emotions and mental processes. Molecules with the right shape and electron distribution can bind to acceptors in cancerous cells and inhibit their growth. 4 NH 2 HO dopamine Dopamine – an important chemical in the brain. A space filling model of dopamine. The colored atoms represent the approximate surface of the molecule as perceived by another molecule Shape affects function!
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This note was uploaded on 10/16/2009 for the course CHE 129/130 taught by Professor Hanson during the Fall '09 term at SUNY Stony Brook.

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18 VSEPR - What is your friend's theory: why do molecules...

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