Solid CO₂ (dry ice) sublimes with AH subl = 25.2 kJ/mol at 195 K. A block of dry ice whose mass is 26.7 g sublimes in a room whose temperature is 26.5 °C. What is the entropy change (AS) of the CO₂? i J/K What is AS of the room? i J/K What is the overall AS? i J/K

Solid CO₂ (dry ice) sublimes with AH subl = 25.2 kJ/mol at 195 K. A block of dry ice whose mass is 26.7 g sublimes in a room whose temperature is 26.5 °C. What is the entropy change (AS) of the CO₂? i J/K What is AS of the room? i J/K What is the overall AS? i J/K

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 48QRT

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Question

Give answer to all parts

Solid CO₂ (dry ice) sublimes with AH subl = 25.2
kJ/mol at 195 K. A block of dry ice whose mass
is 26.7 g sublimes in a room whose temperature is
26.5 °C.
What is the entropy change (AS) of the CO₂?
i
J/K
What is AS of the room?
i
J/K
What is the overall AS?
i
J/K

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