The amino acid alanine is a solid at room temperature and has a melting point of 315 °C, while pyruvic acid (CH 3COCO 2H) has a similar molecular weight but is a liquid at room temperature with a boiling point of 165 °C. Account for the difference.

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Chapter22: Biochemistry
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The amino acid alanine is a solid at room temperature
and has a melting point of 315 °C, while pyruvic acid
(CH 3COCO 2H) has a similar molecular weight but is a liquid
at room temperature with a boiling point of 165 °C. Account
for the difference.

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