Answer to Question #29159 in Molecular Physics | Thermodynamics for John

Question

It's a bitter cold winter morning and there are thin patches of ice on your sidewalk. Although the temperature never rises above 10 °F -12 °C), the ice is gone when you return in the evening. If you had examined the surface of the ice closely enough, you would have observed water molecules

A. only leaving the solid for the gas.

B. leaving the solid for the gas much more often than they land from the gas on the solid.

C. becoming separate oxygen and hydrogen molecules and entering the gas phase.

D. leaving the solid for the gas much less often than they land from the gas on the solid.