study questions 1

study questions 1 - BIS2A. Spring 2009. Comai Study...

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Study questions. Lecture 1 1. Consider each compound pair (look up the structure in wikipedia). Which one of the two has more energy on a molecule by molecule basis? pair compound 1 structure compound 2 structure a propane propanol b propanol propionic acid c H2 water d methane carbon dioxide e acetic acid ethanol 2. Next to each atom indicate the number of bonds that usually it forms when not charged atom structure a H b C c O d N e P 3. Succintly explain why it would be difficult to power a vehicle from water, even if water can be split to produce H2 gas, a highly energetic compound that makes an ideal fuel. 4. If you drop crystals of kitchen salt in water and shake the mix, the salt will dissolve. If you drop the same crystals in oil they will not dissolve. Why? 5. Two proteins (we do not need to worry about what proteins are yet) stick together through sev- eral ionic bonds. Are the two proteins more likely to fall apart in pure water, salty water, or oil? - 1 -
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study questions 1 - BIS2A. Spring 2009. Comai Study...

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