Liquids, Solids, and Intermolecular Forces. Chapter 11. Gecko’s Hairy Feet. Nanostructures on the soles of gecko feet. Thanks to about one billion hierarchically organized nanohairs, the gecko can go for a walk on walls and ceilings, unlike people.
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van der Waals forces
Hydrogen bondingIntermolecular Forces
Induced dipole – induced dipole
Nonpolar - Nonpolar interactions
Polar - Polar interactions
Like dissolves Like
Attraction of water to glass walls draws water up tubes
Some Molecules in an open beaker have enough kinetic energy to vaporize from the surface of the liquid.
The pressure exerted by a vapor in equilibrium with its liquid phase.
A liquid boils when thermal energy is high enough to cause molecules in the interior of the liquid to become gaseous, forming bubbles that rise to the surface.
or molecules in the interior of the liquid to become gaseous, forming bubbles that rise to the surface.
Dry ice sublimes at –78 molecules in the interior of the liquid to become gaseous, forming bubbles that rise to the surface.oC and has a Hsub of 25.2 kJ/mol. Calculate the vapor pressure of CO2 at –100oC.