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If the following reaction 2 C4H10 (g) + 13 O₂ (g) →8 CO₂ (g) + 10 H₂O(g) has AH = -115 kJ/mol and AS°= +248 J/K mol, how would the reaction be characterized with regards to its spontaneity? Periodic Table e Potentially Useful Information: AS n = (n*AS)products - (n*AS)reactants AG-AH-TAS AGxn- (n'AG)produts - (n'AG)reactants AG-AG + RT InQ K= e(Gorn/RT O spontaneous at all temperatures O spontaneous only at high temperature O spontaneous only at low temperature O nonspontaneous at all temperatures O unable to determine without more information Given the following table of thermodynamic data, AH, (kJ/mol) Substance H₂O2(g) H₂O2(0) for the following reaction being conducted at 298K H₂O2(1)→ H₂O2(g) 1. Calculate the AGºrxn -136.30 -187.80 answer yes or no AS (J/mol K) 232.60 110.00 kJ Report value to 4 sig figs 2. Is the reaction spontaneous under these standard state conditions?

If the following reaction 2 C4H10 (g) + 13 O₂ (g) →8 CO₂ (g) + 10 H₂O(g) has AH = -115 kJ/mol and AS°= +248 J/K mol, how would the reaction be characterized with regards to its spontaneity? Periodic Table e Potentially Useful Information: AS n = (n*AS)products - (n*AS)reactants AG-AH-TAS AGxn- (n'AG)produts - (n'AG)reactants AG-AG + RT InQ K= e(Gorn/RT O spontaneous at all temperatures O spontaneous only at high temperature O spontaneous only at low temperature O nonspontaneous at all temperatures O unable to determine without more information Given the following table of thermodynamic data, AH, (kJ/mol) Substance H₂O2(g) H₂O2(0) for the following reaction being conducted at 298K H₂O2(1)→ H₂O2(g) 1. Calculate the AGºrxn -136.30 -187.80 answer yes or no AS (J/mol K) 232.60 110.00 kJ Report value to 4 sig figs 2. Is the reaction spontaneous under these standard state conditions?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
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If the following reaction 2 C4H10 (8) + 13 O2 (g) → 8 CO₂ (g) + 10 H₂O (g) has AH° -115 kJ/mol and AS°= +248 J/K mol, how would the reaction be characterized with regards to its spontaneity? Periodic Table e Potentially Useful Information: AS n = (n*AS)products - (n'AS reactants AG=AH - TAS AG rxn = (n AG)prodts - (n'AG)reactants AGxn=AGrxn+ RT InQ K= e(Gorn/RT O spontaneous at all temperatures O spontaneous only at high temperature O spontaneous only at low temperature O nonspontaneous at all temperatures O unable to determine without more information Given the following table of thermodynamic data, ΔΗ,° (kJ/mol) Substance H₂O2(g) H₂O2(1) for the following reaction being conducted at 298K H₂O2(1)→ H₂O2(g) 1. Calculate the AGºrn -136.30 -187.80 answer yes or no AS° (J/mol K) 232.60 110.00 kJ Report value to 4 sig figs 2. Is the reaction spontaneous under these standard state conditions?
Transcribed Image Text:If the following reaction 2 C4H10 (8) + 13 O2 (g) → 8 CO₂ (g) + 10 H₂O (g) has AH° -115 kJ/mol and AS°= +248 J/K mol, how would the reaction be characterized with regards to its spontaneity? Periodic Table e Potentially Useful Information: AS n = (n*AS)products - (n'AS reactants AG=AH - TAS AG rxn = (n AG)prodts - (n'AG)reactants AGxn=AGrxn+ RT InQ K= e(Gorn/RT O spontaneous at all temperatures O spontaneous only at high temperature O spontaneous only at low temperature O nonspontaneous at all temperatures O unable to determine without more information Given the following table of thermodynamic data, ΔΗ,° (kJ/mol) Substance H₂O2(g) H₂O2(1) for the following reaction being conducted at 298K H₂O2(1)→ H₂O2(g) 1. Calculate the AGºrn -136.30 -187.80 answer yes or no AS° (J/mol K) 232.60 110.00 kJ Report value to 4 sig figs 2. Is the reaction spontaneous under these standard state conditions?
Which of the following reactions would be expected to have negative AS? Select all that apply Periodic Table □ 2H₂0 (1)→ 2H₂ (8) +2 (8) 2NO₂ (8)→ N₂O4 (8) □ CO₂ (g) → CO₂ (s) O PbF₂ (s) → Pb2+ (aq) + 2F (aq) 2Hg (1) + O₂(g) → 2HgO (s) Which of the following reactions would be expected to have positive AS? Select all that apply Periodic Table e □ C3H8 (8) +50₂ (8)→ 3CO₂ (g) + 4H₂O(g) ON₂ (8) + 3H₂ (8)→ 2NH3 (8) Ag* (aq) + Cl(aq) → AgCl (s) O2503 (g) → 25O2 (g) + O₂(g) H₂0 (1)→ H₂O (s)
Transcribed Image Text:Which of the following reactions would be expected to have negative AS? Select all that apply Periodic Table □ 2H₂0 (1)→ 2H₂ (8) +2 (8) 2NO₂ (8)→ N₂O4 (8) □ CO₂ (g) → CO₂ (s) O PbF₂ (s) → Pb2+ (aq) + 2F (aq) 2Hg (1) + O₂(g) → 2HgO (s) Which of the following reactions would be expected to have positive AS? Select all that apply Periodic Table e □ C3H8 (8) +50₂ (8)→ 3CO₂ (g) + 4H₂O(g) ON₂ (8) + 3H₂ (8)→ 2NH3 (8) Ag* (aq) + Cl(aq) → AgCl (s) O2503 (g) → 25O2 (g) + O₂(g) H₂0 (1)→ H₂O (s)
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