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Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ▲í and reaction entropy As. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous only above -9. °C but proceeds at a faster rate above 189. °C. This reaction is always spontaneous, but proceeds faster at temperatures above 136. °C. This reaction is exothermic and proceeds slower at temperatures below 37. °C. AH is AS is conclusions AH is AS is AH is AS is (pick one) (pick one) (pick one) (pick one) (pick one) (pick one)

Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ▲í and reaction entropy As. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous only above -9. °C but proceeds at a faster rate above 189. °C. This reaction is always spontaneous, but proceeds faster at temperatures above 136. °C. This reaction is exothermic and proceeds slower at temperatures below 37. °C. AH is AS is conclusions AH is AS is AH is AS is (pick one) (pick one) (pick one) (pick one) (pick one) (pick one)

Chemistry for Engineering Students
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 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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2. Based on this question, decide for each of its positive or negative?
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ▲ and reaction entropy as. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous only above -9. °C but proceeds at a faster rate above 189. °C. This reaction is always spontaneous, but proceeds faster at temperatures above 136. °C. This reaction is exothermic and proceeds slower at temperatures below 37. °C. AH is AS is conclusions AH is AS is AH is AS is (pick one) (pick one) (pick one) (pick one) (pick one) (pick one)
Transcribed Image Text:Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ▲ and reaction entropy as. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous only above -9. °C but proceeds at a faster rate above 189. °C. This reaction is always spontaneous, but proceeds faster at temperatures above 136. °C. This reaction is exothermic and proceeds slower at temperatures below 37. °C. AH is AS is conclusions AH is AS is AH is AS is (pick one) (pick one) (pick one) (pick one) (pick one) (pick one)
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