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spontan only at low temperatures; only at high temperatures; at all temperatures? Use the data table below to help calculate AH ASn or AG as indicated to help you determine the answer. ran AH (kJ/mol) AG (kJ/mol) NH4NO3 N₂O H₂O S 0₂ SO₂ AH a) NH4NO3(8)→ 2H₂O(g) + N₂O(g) ran The reaction is spontaneous at O high temperatures O low temperatures all temperatures b) S(g) + O₂(g) → SO₂(g) AG AS -365.6 82.1 -241.8 277.2 0.00 -296.8 ΔΗ = rzn = rzn S° (J/mol-K) The reaction is spontaneous at O all temperatures low temperatures high temperatures 167.8 205.0 248.2 kJ kJ kJ J/K 236.7 0.00 -300.1

spontan only at low temperatures; only at high temperatures; at all temperatures? Use the data table below to help calculate AH ASn or AG as indicated to help you determine the answer. ran AH (kJ/mol) AG (kJ/mol) NH4NO3 N₂O H₂O S 0₂ SO₂ AH a) NH4NO3(8)→ 2H₂O(g) + N₂O(g) ran The reaction is spontaneous at O high temperatures O low temperatures all temperatures b) S(g) + O₂(g) → SO₂(g) AG AS -365.6 82.1 -241.8 277.2 0.00 -296.8 ΔΗ = rzn = rzn S° (J/mol-K) The reaction is spontaneous at O all temperatures low temperatures high temperatures 167.8 205.0 248.2 kJ kJ kJ J/K 236.7 0.00 -300.1

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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Which of the following reactions is spontaneous only at low temperatures; only at high temperatures; at all temperatures? Use the data table below to help calculate AH AS or AG as indicated to help you determine the answer. ran AH; (kJ/mol) AG% (kJ/mol) NH4NO3 N₂O H₂O S 0₂ SO₂ O b) S(g) + O₂(g) → SO₂(g) AG zn AH zn a) NH4NO3(s) → 2H₂O(g) + N₂O(g) ΔΗn= The reaction is spontaneous at O high temperatures O low temperatures all temperatures AS -365.6 82.1 -241.8 277.2 0.00 -296.8 ran = Sº (J/mol K) The reaction is spontaneous at O all temperatures Olow temperatures O high temperatures 167.8 205.0 248.2 kJ kJ kJ J/K 236.7 0.00 -300.1 Hint: To calculate the coontaneity of the reaction at a temperature other than 298 K, we consider the
Transcribed Image Text:Which of the following reactions is spontaneous only at low temperatures; only at high temperatures; at all temperatures? Use the data table below to help calculate AH AS or AG as indicated to help you determine the answer. ran AH; (kJ/mol) AG% (kJ/mol) NH4NO3 N₂O H₂O S 0₂ SO₂ O b) S(g) + O₂(g) → SO₂(g) AG zn AH zn a) NH4NO3(s) → 2H₂O(g) + N₂O(g) ΔΗn= The reaction is spontaneous at O high temperatures O low temperatures all temperatures AS -365.6 82.1 -241.8 277.2 0.00 -296.8 ran = Sº (J/mol K) The reaction is spontaneous at O all temperatures Olow temperatures O high temperatures 167.8 205.0 248.2 kJ kJ kJ J/K 236.7 0.00 -300.1 Hint: To calculate the coontaneity of the reaction at a temperature other than 298 K, we consider the
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