Question

Estimate the following questions %3D T. heated from 84°c to 100°U, By how much. T2 (a) Water ib does its chemical potential change ? Take the molar Smces /k. entropy of liquid water |10K, (6) At 100 °0, when the temperature TS raised by lok, does water prefer to become vapor phase or stay The molar entropy of vapoY water as liquid phace ? Smig) B 195,98 YE mol )

Answer 1

a) Answered in detail

b) Since pressure is not given, based on the molar entropy it can be answered where it changes to vapour.

(^). 85°c to ting Conver 85 + 273 358 K %3D Sm K. mol Lo0 c t 313 K 273 know the nelatiow, We -S. which the diffenen tial gives dT - Sm Tf | Sm T; 86 358K) ( 373 k k. mo! - 1290 J - 1- 29 KJ hole

loo°c tempenat ture , (b) since pressure s At is eutrofy 195,98J molar and given not k.mol I bar water the For any press wre rmpour phase, at looc become prefers to Molar entropy enkopy is of 195,98 J kma! water vapoun reporer 4 4 = - Sm 4 T 195, 18 J K mo l 86 's 61 mo! which thanges sta le to va vapowr Water liquid as K.mo l vapour