Now consider a 3 nm diameter droplet of mercury. Mercury atoms are also about 3

Question

Now consider a 3 nm diameter droplet of mercury. Mercury atoms are also about 3
Ã… in diameter. The heat of vaporization of bulk mercury is 64.0 kJ/mol, and the
vapor pressure of mercury is 0.00185 torr = 2.43 x 10-6 atm. The surface tension of
mercury (γHg) is 0.518 N/m, and the surface excess energy can be calculated as γHgA,
where A is the surface area. Using this information and the Clausius-Clapyron
equation (P = const•exp(-ΔHvap/RT)), calculate the vapor pressure of 3 nm droplets
of mercury.

Explanation / Answer

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