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Unformatted text preview: 4) Both water and ammonia are polar molecules. Why did life evolve in water and not ammonia? 5) Explain BRIEFLY why ice floats on water. 5) Draw a structural isomer of: CH3 - CH2 - CH2 - CH3 4) Draw a geometric isomer of:...
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- Fall '09
- Biology, Functional group, Amino Methyl Hydroxyl