The molar heat capacities for carbon dioxide at 298.0 K are shown below. C 28.95 J K-¹ mol-1 C₂ = 37.27 J K ¹ mol-1 The molar entropy of carbon dioxide gas at 298.0 K and 1.000 atm is 213.64 J K-1 mol-¹. (a) Calculate the energy required to change the temperature of 1.000 mole of carbon dioxide gas from 298.0 K to 345.0 K, both at constant volume and at constant pressure. constant volume KJ kJ constant pressure (b) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.000 atm. JK-1 mol-1 (c) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.179 atm. JK-1 mol-1

Principles of Modern Chemistry
8th Edition
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Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter13: Spontaneous Processes And Thermodynamic Equilibrium
Section: Chapter Questions
Problem 22P: Use data from Appendix D to calculate the standardentropy change at 25°C for the reaction...
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The molar heat capacities for carbon dioxide at 298.0 K are shown below.
C₁ = 28.95 J K-¹ mol-¹1
= 37.27 J K-¹ mol-¹
Ср
The molar entropy of carbon dioxide gas at 298.0 K and 1.000 atm is 213.64 J K¯¹ mol-¹.
(a) Calculate the energy required to change the temperature of 1.000 mole of carbon dioxide gas from 298.0 K to 345.0 K, both at constant volume and at constant pressure.
constant volume
kJ
kJ
constant pressure
(b) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.000 atm.
JK-¹ mol-1
(c) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.179 atm.
JK-¹ mol-1
Transcribed Image Text:The molar heat capacities for carbon dioxide at 298.0 K are shown below. C₁ = 28.95 J K-¹ mol-¹1 = 37.27 J K-¹ mol-¹ Ср The molar entropy of carbon dioxide gas at 298.0 K and 1.000 atm is 213.64 J K¯¹ mol-¹. (a) Calculate the energy required to change the temperature of 1.000 mole of carbon dioxide gas from 298.0 K to 345.0 K, both at constant volume and at constant pressure. constant volume kJ kJ constant pressure (b) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.000 atm. JK-¹ mol-1 (c) Calculate the molar entropy of CO₂(g) at 345.0 K and 1.179 atm. JK-¹ mol-1
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