Given the following reaction: 2NO(g) + Cl2(g) 2NOCl(g) DHorxn = -75.5kJ 1. Is the reaction exothermic or endothermic? 2.Does the entropy increase, decrease, or stay the same as reactants form products? 3.Calculate the DGorxn at 10oC and indicate whether the reaction is spontaneous or nonspontaneous. SfoNO = 210.65 J/K; SfoCl2 = 223 J/K; SfoNOCl = 261.6 J/K

Chemistry for Engineering Students
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Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.91PAE: The reaction shown below is involved in the refining of iron. (The table that follows provides all...
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Given the following reaction:

2NO(g) + Cl2(g) 2NOCl(g) DHorxn = -75.5kJ

1. Is the reaction exothermic or endothermic?

2.Does the entropy increase, decrease, or stay the same as reactants form products?

3.Calculate the DGorxn at 10oC and indicate whether the reaction is spontaneous or nonspontaneous. SfoNO = 210.65 J/K; SfoCl2 = 223 J/K; SfoNOCl = 261.6 J/K

 

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