Consider the reaction. 4NH3(g) +502(g) → 4NO(g) + 6H₂O(g) for which AH-905.2 kJ and AS°= 180.5 J/K at 298.15 K. 1. Calculate the entropy change of the UNIVERSE when 1.913 moles of NH3(g) react under standard conditions at 298.15 K. A Suniverse J/K 2. Is this reaction reactant or product favored under standard conditions? 3. If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose 'reactant favored'.
Consider the reaction. 4NH3(g) +502(g) → 4NO(g) + 6H₂O(g) for which AH-905.2 kJ and AS°= 180.5 J/K at 298.15 K. 1. Calculate the entropy change of the UNIVERSE when 1.913 moles of NH3(g) react under standard conditions at 298.15 K. A Suniverse J/K 2. Is this reaction reactant or product favored under standard conditions? 3. If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose 'reactant favored'.
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
Section: Chapter Questions
Problem 101QRT: Appendix J lists standard molar entropies S, not standard entropies of formation rS. Why is this...
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Transcribed Image Text:Consider the reaction.
4NH3(g) +502 (9)→ 4NO(g) + 6H₂O(g)
for which AH = -905.2 kJ and AS = 180.5 J/K at 298.15 K.
1. Calculate the entropy change of the UNIVERSE when 1.913 moles of NH3(g) react
under standard conditions at 298.15 K.
A Suniverse
J/K
2. Is this reaction reactant or product favored under standard conditions?
3. If the reaction is product favored, is it enthalpy favored, entropy favored, or
favored by both enthalpy and entropy? If the reaction is reactant favored, choose
'reactant favored'.
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