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 conclusions AH is A This reaction is spontaneous except below -21. °C but proceeds at a slower rate below 159. °C. AS is AH is B This reaction is faster above 140. °C than below. AS is AH is C This reaction is spontaneous only below 61. °C. AS is ✓ (pick one) positive negative unknown LAPIGA UNTU (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 AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions AH is A This reaction is spontaneous except below -21. °C but proceeds at a slower rate below 159. °C. AS is AH is B This reaction is faster above 140. °C than below. AS is AH is C This reaction is spontaneous only below 61. °C. AS is ✓ (pick one) positive negative unknown LAPIGA UNTU (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 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
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 C observations This reaction is slower below 18. °C than above. This reaction is spontaneous only above 97. °C. This reaction is always spontaneous, but proceeds faster at temperatures above 72. °C. AH is AS is conclusions AH is AS is AH is AS is ✓ (pick one) positive negative unknown (pick one) (pick one) (pick one) (pick one)
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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 AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions AH is A This reaction is always spontaneous, but proceeds slower at temperatures below 45. °C. AS is ΔΗ is This reaction is spontaneous only above 150. °C but proceeds at a faster rate above 180. °C. AS is ΔΗ is This reaction is exothermic and proceeds slower at temperatures below 67. °C. AS is X C (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 entre AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions This reaction is always spontaneous, but proceeds faster at temperatures below AH is (pick one) 132. °C. AS is (pick one) v AH is (pick one) ♥ This reaction is spontaneous except below 3. °C. B AS is (pick one) ♥ ΔΗ is (pick one) ♥ This reaction is spontaneous only below 44. °C. AS is (pick one) ♥
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