Physical Chemistry
Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 22, Problem 22.10E
Interpretation Introduction

Interpretation:

The reason for the fact that the calculation for the changes in thermodynamic quantities for expansions and contractions of gases did not consider changes in surface energies, as those gases changed their surface areas is to be stated.

Concept introduction:

The branch of science that deals with the study of heat and temperature and its relation with energy and work is called thermodynamics. Some thermodynamics quantities are entropy, enthalpy, Gibbs energy, internal energy, temperature, and Helmholtz energy.

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A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and the temperature measured as time passes. The results are graphed below, in the middle (in green). Identical experiments are now run on Substance Y and Substance Z. Substance Y is just like S except that it has a higher heat capacity in the solid phase Cs). Substance Z is just like S except that it has a lower heat capacity in the gaseous phase C,g). Select the graphs below, on the left and right, that show the results you expect for these new experiments. db Substance Y Substance Z (higher C,(3)) Substance S (lower C,(g) (Drag the slider to choose an image) (Drag the slider to choose an image) orddad hest (lT/mnl Explanation Check 2020 McGraw-Hil Education All Rights Reserved Terms of Lise Privacy Accessibitity 11:13 PM O Type here to search 12/12/2020 temperature (°C
A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and the temperature measured as time passes. The results are graphed below, in the middle (in green). Identical experiments are now run on Substance Y and Substance Z. Substance Y is just like S except that it has a lower heat capacity in the gaseous phase C,(g). Substance Z is just like S except that it has a lower enthalpy of vaporization AH, Select the graphs below, on the left and right, that show the results you expect for these new experiments. Substance Y (lower C,(e)) Substance S Substance Z (lower AH) (Drag the slider to choose an image) (Drag the slider to choose an image) added heat (kJ/mol) Explanation Check temperature (°C)
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