NH2 OH + HX + NEN AH (kJ/mol) -386 260.1 30.00 -393.5 S (J/mol K) 166 191.3 191.5 213.8 146.0 D. Based on the reaction equation given above, does entropy increase or decrease in this reaction? E Justify your answer to (D) with a calculation. Does your calculation agree with your prediction? F. Is this reaction thermodynamically favorable at 25 C? Justify with a calculation.

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Chapter1: Chemical Foundations
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HX is used as a reagent in the reaction below
NH2
OH +
HX
+ :N=N+
+
-393.5
AH (kJ/mol)
-386
260.1
30.00
S° (J/mol K)
166
146.0
191.3
191.5
213.8
D. Based on the reaction equation given above, does entropy increase or decrease in this reaction?
E. Justify your answer to (D) with a calculation. Does your calculation agree with your prediction?
F. Is this reaction thermodynamically favorable at 25 C? Justify with a calculation.
G. Over what temperature range (in K) is the above reaction thermodynamically favorable?
H. Calculate the numerical value of the equilibrium constant at 25 °C for this reaction. Is your K value consistent with
your answer to F? Explain.
Transcribed Image Text:HX is used as a reagent in the reaction below NH2 OH + HX + :N=N+ + -393.5 AH (kJ/mol) -386 260.1 30.00 S° (J/mol K) 166 146.0 191.3 191.5 213.8 D. Based on the reaction equation given above, does entropy increase or decrease in this reaction? E. Justify your answer to (D) with a calculation. Does your calculation agree with your prediction? F. Is this reaction thermodynamically favorable at 25 C? Justify with a calculation. G. Over what temperature range (in K) is the above reaction thermodynamically favorable? H. Calculate the numerical value of the equilibrium constant at 25 °C for this reaction. Is your K value consistent with your answer to F? Explain.
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