Twenty-Five Identical Molecules Are in a Box

Multiple Choice

Twenty-five identical molecules are in a box. Microstates are designated by identifying the molecules in the left and right halves of the box. The Boltzmann constant is 1.38 * 10^-23 J/K. The entropy associated with the configuration for which 15 molecules are in the left half and 10 molecules are in the right half is:

A) 2.07 *10^-22 J/K
B) 7.31 * 10^-22 J/K
C) 4.44 * 10^-23 J/K
D) 6.91 *10^-23 J/K
E) 2.22 *10^-23 J/K