Four molecules in a two bulbed flask two s k ln w w

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: l = k ln W final − k ln Winitial = k ln WFinal > Winitial , ∆S > 0 W final Winitial WFinal < Winitial , ∆S < 0 Entropy ep. :Four Molecules in a Two-Bulbed Flask Two- S = k ⋅ ln W W: the possible arrangements (states) Microstates Microstates : three Possible Arrangements Arrangements W=3 k = R N = 8.314 J / mol ⋅ K 6.02 × 1023 mol −1 = 1.38 × 10−23 J / K S = k ⋅ ln W = 1.38 ×10−23 J / K × ln 3 Probability and the locations of gas molecules. = 1.516 × 10−23 J / K The The molecular interpretation of Entropy S = k ⋅ ln W 1. Translational motion: moving 3moving in 3-D space 2. Vibrational motion: stretching stretching / bending 3. Rotational motion: Rotational spinning spinning around axes The The molecular interpretation of Entropy S = k ⋅ ln W In general, the number of microstates microstates available to a system will increase with an an increase in volume, an increase in volume an temperature temperature, or an incr...
View Full Document

This document was uploaded on 02/26/2014.

Ask a homework question - tutors are online