I Review Constants | Periodic TableThe normal boiling point of Br2 (1) is 58.8 °C, and its molar enthalpy of vaporization is AHvap = 29.6kJ/mol.Part AWhen Br2 (1) boils at its normal boiling point, does its entropy increase or decrease?O increaseo decreasePrevlous Anawerav CorrectThe entropy of a system increases from the liquid phase to the gaseous phase. The gaseous phase has the most disorder, the greatest number of possible microstates, and the greatest freedom of movement of all the phases.Part BCalculate the value of AS when 4.00 mol of Br2 (1) is vaporized at 58.8 °C.Express your answer to three significant figures.Temprates Symbols undo redo feset keyboard shortouts HelpAS = 98.1J/KSubmitPrevlous Anaware Requent AnawerX Incorrect; Try Again; 2 attempts remaining

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PartA When Bra() boils increase O decrease Correct The entropy - Part B Calculate the value Express your ans

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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<Chapter 19 - Attempt 1
Item 2
(< 2 of 18 (>
I Review Constants | Periodic Table
The normal boiling point of Br2 (1) is 58.8 °C, and its molar enthalpy of vaporization is AHvap = 29.6
kJ/mol.
Part A
When Br2 (1) boils at its normal boiling point, does its entropy increase or decrease?
O increase
o decrease
Prevlous Anawera
v Correct
The entropy of a system increases from the liquid phase to the gaseous phase. The gaseous phase has the most disorder, the greatest number of possible microstates, and the greatest freedom of movement of all the phases.
Part B
Calculate the value of AS when 4.00 mol of Br2 (1) is vaporized at 58.8 °C.
Express your answer to three significant figures.
Temprates Symbols undo redo feset keyboard shortouts Help
AS = 98.1
J/K
Submit
Prevlous Anaware Requent Anawer
X Incorrect; Try Again; 2 attempts remaining

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