Chemistry

Problem

Four independent processes occur at 1 atm. I. Heating 1 mol N

_2

(g) from

25\,^{\circ}\text{C}

50\,^{\circ}\text{C}

at constant volume II. Vaporizing 1 mol H

_2

O(l) at

100\,^{\circ}\text{C}

III. Dissolving 1 mol NaCl(s) in a large volume of water at

25\,^{\circ}\text{C}

IV. Compressing 1 mol He(g) isothermally from 2.0 L to 1.0 L Which process results in the greatest increase in entropy,

\Delta S

, for the system? a) Process III b) Process I c) Process II d) Process IV