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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 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? Select all that apply. • View Available Hint(s) 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. O At zero kelvin, substances maximize entropy. O At absolute zero, the interatomic distance within a crystal is minimized. O In a crystalline state, there is a tendency to minimize entropy. O In a gaseous state, the entropy of the system is zero. O As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. O At the melting point, the entropy of a system increases abruptiy as the compound transforms into a liquid. Submit Part B Calculate the standard-state entropy for the following reaction: 2NIS(s) + 302(g)→2S02 (9) + 2N10(s) The standard entropy values are given in the table. Formula IK-i mol SO2 (9) NiO(s) 248 38.0 NiS(s) 53.0 O2(9) 205 Express your answer with the appropriate units. > View Available Hint(s) Tempjetes Symbols undo redo Tesat keyboard shortcuts Help A,s° = Value Units

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 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? Select all that apply. • View Available Hint(s) 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. O At zero kelvin, substances maximize entropy. O At absolute zero, the interatomic distance within a crystal is minimized. O In a crystalline state, there is a tendency to minimize entropy. O In a gaseous state, the entropy of the system is zero. O As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. O At the melting point, the entropy of a system increases abruptiy as the compound transforms into a liquid. Submit Part B Calculate the standard-state entropy for the following reaction: 2NIS(s) + 302(g)→2S02 (9) + 2N10(s) The standard entropy values are given in the table. Formula IK-i mol SO2 (9) NiO(s) 248 38.0 NiS(s) 53.0 O2(9) 205 Express your answer with the appropriate units. > View Available Hint(s) Tempjetes Symbols undo redo Tesat keyboard shortcuts Help A,s° = Value Units

Chemistry: The Molecular Science
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
Section16.3: Measuring Dispersal Of Energy: Entropy
Problem 16.3CE
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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 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? Select all that apply. • View Available Hint(s) 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. O At zero kelvin, substances maximize entropy. O At absolute zero, the interatomic distance within a crystal is minimized. O In a crystalline state, there is a tendency to minimize entropy. O In a gaseous state, the entropy of the system is zero. O As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. O At the melting point, the entropy of a system increases abruptiy as the compound transforms into a liquid. Submit Part B Calculate the standard-state entropy for the following reaction: 2NIS(s) + 302(g)→2S02 (9) + 2N10(s) The standard entropy values are given in the table. Formula IK-i mol SO2 (9) NiO(s) 248 38.0 NiS(s) 53.0 O2 (9) 205 Express your answer with the appropriate units. > View Available Hint(s) Templates Symbols Undo redo teset keyboard shortcuts lelp A,s° = Value Units
Transcribed Image Text: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 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? Select all that apply. • View Available Hint(s) 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. O At zero kelvin, substances maximize entropy. O At absolute zero, the interatomic distance within a crystal is minimized. O In a crystalline state, there is a tendency to minimize entropy. O In a gaseous state, the entropy of the system is zero. O As the temperature of a perfect crystal increases, the random vibrations of the molecules decrease. O At the melting point, the entropy of a system increases abruptiy as the compound transforms into a liquid. Submit Part B Calculate the standard-state entropy for the following reaction: 2NIS(s) + 302(g)→2S02 (9) + 2N10(s) The standard entropy values are given in the table. Formula IK-i mol SO2 (9) NiO(s) 248 38.0 NiS(s) 53.0 O2 (9) 205 Express your answer with the appropriate units. > View Available Hint(s) Templates Symbols Undo redo teset keyboard shortcuts lelp A,s° = Value Units
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