Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy H 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 exothermic. This reaction is always spontaneous, but proceeds slower at temperatures above 111. °C. The reverse of this reaction is always spontaneous but proceeds slower at temperatures below 34. °C. ΔΗ is AS is AH is AS is conclusions 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 H 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 exothermic. This reaction is always spontaneous, but proceeds slower at temperatures above 111. °C. The reverse of this reaction is always spontaneous but proceeds slower at temperatures below 34. °C. ΔΗ is AS is AH is AS is conclusions AH is AS is (pick one) (pick one) (pick one) (pick one) (pick one) (pick one)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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 AH and reaction entropy A.S. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B с observations This reaction is spontaneous only above 30. °C but proceeds at a slower rate below 199. °C. This reaction is spontaneous only below 19. °C. This reaction is exothermic and proceeds slower at temperatures below 60. °C. conclusions AH is AS is AH is AS is AH is AS is X (pick one) (pick one) (pick one) ✓ (pick one) (pick one) (pick one) Ś
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 A B C observations This reaction is slower below - 1. °C than above. This reaction is spontaneous only below -3. °C. The reaction is never spontaneous. AH is AS is conclusions AH is As is AH is AS is X ✓ (pick one) î positive negative unknown (pick one) (pick one) (pick one) (pick one) Ś ↑ î
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