Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations cd (pick one) positive negative ΔΗ is ✓ unknown A This reaction is spontaneous only below 23. °C. AS is unknown ΔΗ is B This reaction is endothermic and proceeds slower at temperatures below 133. °C. positive AS is negative C This reaction is spontaneous except below 95. °C but proceeds at a faster rate above ΔΗ is negative 155. °C. AS is positive ☑
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations cd (pick one) positive negative ΔΗ is ✓ unknown A This reaction is spontaneous only below 23. °C. AS is unknown ΔΗ is B This reaction is endothermic and proceeds slower at temperatures below 133. °C. positive AS is negative C This reaction is spontaneous except below 95. °C but proceeds at a faster rate above ΔΗ is negative 155. °C. AS is positive ☑
Chemistry for Engineering Students
4th Edition
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 10.91PAE: The reaction shown below is involved in the refining of iron. (The table that follows provides all...
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