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Third Law of Thermodynamics Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change. AS. is the difference in entropy between two states of a system, such as between the reactants and products of a reaction or between a flask before and after adding a mixture of gas. Part A View Available Hint(s) The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law. of thermodynamics? Check all that apply. In a gaseous state, the entropy of the system is zero. At absolute zero, the interatomic distance within a crystal is minimized. In a crystalline state, there is a tendency to minimize entropy. At the melting point, the entropy of a system increases abruptly as the compound transforms into a liquid. At zero degrees kelvin, substances maximize entropy. As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. Submit Part B Calculate the standard-state entropy for the following reaction: 6 CO₂(g) + 6H₂O(g) 1 C6H12O6 (s) + 6O₂(g) > (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Express your answer with the appropriate units. Formula C6H12O6 (S) O₂(g) CO₂(g) H₂O(g) So J/(K-mol) 212 205 15 of 41 214 189 Review | Constants | Periodic Table

Third Law of Thermodynamics Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change. AS. is the difference in entropy between two states of a system, such as between the reactants and products of a reaction or between a flask before and after adding a mixture of gas. Part A View Available Hint(s) The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law. of thermodynamics? Check all that apply. In a gaseous state, the entropy of the system is zero. At absolute zero, the interatomic distance within a crystal is minimized. In a crystalline state, there is a tendency to minimize entropy. At the melting point, the entropy of a system increases abruptly as the compound transforms into a liquid. At zero degrees kelvin, substances maximize entropy. As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. Submit Part B Calculate the standard-state entropy for the following reaction: 6 CO₂(g) + 6H₂O(g) 1 C6H12O6 (s) + 6O₂(g) > (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Express your answer with the appropriate units. Formula C6H12O6 (S) O₂(g) CO₂(g) H₂O(g) So J/(K-mol) 212 205 15 of 41 214 189 Review | Constants | Periodic Table

Chemistry for Engineering Students
Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.29PAE
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Third Law of Thermodynamics Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change, A.S. is the difference in entropy between two states of a system, such as between the reactants and products of a reaction or between a flask before and after adding a mixture of gas. ▾ Part A In a gaseous state, the entropy of the system is zero. At absolute zero, the interatomic distance within a crystal is minimized. D In a crystalline state, there is a tendency to minimize entropy. At the melting point, the entropy of a system increases abruptly as the compound transforms into a liquid. At zero degrees kelvin, substances maximize entropy. As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law of thermodynamics? Check all that apply. ▸ View Available Hint(s) Submit Part B Calculate the standard-state entropy for the following reaction: 6 CO₂(g) + 6 H₂O(g) → 1 C6H12O6 (s) + 6 O₂(g) (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Express your answer with the appropriate units. Formula C6H12O6 (s) O₂(g) CO₂(g) H₂O(g) So J/(K-mol) 212 205 214 15 of 41 189 Review | Constants | Periodic Table
Transcribed Image Text:Third Law of Thermodynamics Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change, A.S. is the difference in entropy between two states of a system, such as between the reactants and products of a reaction or between a flask before and after adding a mixture of gas. ▾ Part A In a gaseous state, the entropy of the system is zero. At absolute zero, the interatomic distance within a crystal is minimized. D In a crystalline state, there is a tendency to minimize entropy. At the melting point, the entropy of a system increases abruptly as the compound transforms into a liquid. At zero degrees kelvin, substances maximize entropy. As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law of thermodynamics? Check all that apply. ▸ View Available Hint(s) Submit Part B Calculate the standard-state entropy for the following reaction: 6 CO₂(g) + 6 H₂O(g) → 1 C6H12O6 (s) + 6 O₂(g) (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Express your answer with the appropriate units. Formula C6H12O6 (s) O₂(g) CO₂(g) H₂O(g) So J/(K-mol) 212 205 214 15 of 41 189 Review | Constants | Periodic Table
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