CHEM213 Lecture 2: The Importance of Water in Living Systems

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Why are amphipathic compounds energetically favorable in aqueous solutions?

They increase the entropy due to the ordering of water molecules.

What is the role of lipid portions at the edge of amphipathic compound clusters in aqueous solutions?

Minimize the ordered shell of water molecules.

How do hydrophobic interactions contribute to the stability of micelles in aqueous solutions?

By clustering together and exposing the smallest possible hydrophobic surface area to water.

What is the outcome of van der Waals interactions between uncharged atoms brought close together?

They weakly attract each other through induced electric dipoles.

In amphipathic compounds, why are van der Waals interactions particularly relevant?

To weakly attract atoms and bring nuclei closer.

Explore the significance of water in living organisms, including its role in regulating body temperature, lubricating joints, and influencing cellular structure. Learn about the structure of water and hydrogen bonds.

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