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Vaporization at the normal boiling point (Tvap) of a substance (the boiling point at one atm) can be regarded as a reversible process because if the temperature is decreased infinitesimally below Tva all the vapor will condense to liquid, whereas if it is increased infinitesimally above Tvap, all the liquid will vaporize. Calculate the entropy change when nine moles of water vaporize at 100.0°C. The value of AvapH is 40.65 kJ.mol-1. AvapS=497 XJ-K-1

Vaporization at the normal boiling point (Tvap) of a substance (the boiling point at one atm) can be regarded as a reversible process because if the temperature is decreased infinitesimally below Tva all the vapor will condense to liquid, whereas if it is increased infinitesimally above Tvap, all the liquid will vaporize. Calculate the entropy change when nine moles of water vaporize at 100.0°C. The value of AvapH is 40.65 kJ.mol-1. AvapS=497 XJ-K-1

Chemistry
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
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Vaporization at the normal boiling point (Tvap) of a substance (the boiling point at one atm) can be regarded as a reversible process because if the temperature is decreased infinitesimally below Tvap, all the vapor will condense to liquid, whereas if it is increased infinitesimally above Tvap, all the liquid will vaporize. Calculate the entropy change when nine moles of water vaporize at 100.0°C. The value of AvapH is 40.65 kJ.mol-¹. AvapS= 4.0 X J.K-1
Transcribed Image Text:Vaporization at the normal boiling point (Tvap) of a substance (the boiling point at one atm) can be regarded as a reversible process because if the temperature is decreased infinitesimally below Tvap, all the vapor will condense to liquid, whereas if it is increased infinitesimally above Tvap, all the liquid will vaporize. Calculate the entropy change when nine moles of water vaporize at 100.0°C. The value of AvapH is 40.65 kJ.mol-¹. AvapS= 4.0 X J.K-1
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