Consider the sublimation of mothballs at 27 °C in a room having dimensions 8.0 ft * 10.0 ft * 8.0 ft. Assume that the mothballs are pure solid naphthalene 1density 1.16 g>cm32
and that they are spheres with a diameter of 12.0 mm. The equilibrium constant Kc for the sublimation of naphthalene is
5.40 * 10-6 at 27 °C.
C10H81s2 ∆ C10H81g2
(a) When excess mothballs are present, how many gaseous naphthalene molecules are in the room at equilibrium?
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