o1. N2a) +3H2(a) ->2NH319) utoegmet diod .anolfibnoo llo ni bilov ai noitoupe airfT If AH = -92.2kJ and AS= -0.1987KJ/K, what is AG for the reaction at 475°C and at 5°C? Provide the answer in kJ. In each case, is the reaction spontaneous?

Chemistry for Engineering Students
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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 10.102PAE: 10.102 Ammonia can react with oxygen gas to form nitrogen dioxide and water. (a) Write a balanced...
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9ol D.3 ENGAGEMENToiano d liw todw eoned nwond moblez ai truomo loutoo ent
eest ACTIVITY 2: PROBLEM SOLVINGenoo to gninuboo a20 metzya o lo Ygiene
Direction: Given the equation, calculate the standard free energy change. Supply the
information or quantity being asked.
2AT HA = OA
no1. Nza) +3H2(0) ->2NH319) uto1egmat dtod .ernolfibnoo llo ni bilov ai noitoupe airit
475°C
If AH = -92.2kJ and AS= -0.1987KJ/K, what is AG for the reaction at
draat 5°C?
Provide the answer in kJ. In each case, is the reaction spontaneous?
2. The enthalpy and entropy change of a reaction are -3.9 kJ/mole and +56.6 J/mole K
respectively at 25° C. What is the free energy change in kJ/mole? Is this reaction always
spontaneous, never spontaneous or does it depend on the temperature?
Transcribed Image Text:9ol D.3 ENGAGEMENToiano d liw todw eoned nwond moblez ai truomo loutoo ent eest ACTIVITY 2: PROBLEM SOLVINGenoo to gninuboo a20 metzya o lo Ygiene Direction: Given the equation, calculate the standard free energy change. Supply the information or quantity being asked. 2AT HA = OA no1. Nza) +3H2(0) ->2NH319) uto1egmat dtod .ernolfibnoo llo ni bilov ai noitoupe airit 475°C If AH = -92.2kJ and AS= -0.1987KJ/K, what is AG for the reaction at draat 5°C? Provide the answer in kJ. In each case, is the reaction spontaneous? 2. The enthalpy and entropy change of a reaction are -3.9 kJ/mole and +56.6 J/mole K respectively at 25° C. What is the free energy change in kJ/mole? Is this reaction always spontaneous, never spontaneous or does it depend on the temperature?
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