Using the conditions of spontaneity to deduce the signs of AH.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 entropyAS,Note: if you have not been given enough information to decide a sign, select the "unknown" option.reactionobservationsconclusionsAH isColck one) vThis reaction is always spontaneous, butproceeds faster at temperatures below-42. °C.AS is(olck one)Ths reaction is spontaneous only aboveAH is pick one)147. "C but proceeds at a slower ratebelow 180. "C.AS is (pick one)AH is(pick one)The reverse of this reaction is alwaysspontaneous but proceeds faster attemperatures above 68. "C.AS isipick one)

Using the conditions of spontaneity to deduce the signs of AH. 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 This reaction is always spontaneous, but proceeds faster at temperatures below -42. °C. Colck one) v AS is Colck one) Ths reaction is spontaneous only above 147. "C but proceeds at a slower rate AH is pick one) below 180. "C. AS is (pick one) Af is (pick one) The reverse of this reaction is always spontaneous but proceeds faster at temperatures above 68. "C. AS is ipick one)

Using the conditions of spontaneity to deduce the signs of AH. 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 This reaction is always spontaneous, but proceeds faster at temperatures below -42. °C. Colck one) v AS is Colck one) Ths reaction is spontaneous only above 147. "C but proceeds at a slower rate AH is pick one) below 180. "C. AS is (pick one) Af is (pick one) The reverse of this reaction is always spontaneous but proceeds faster at temperatures above 68. "C. AS is ipick 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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entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknov reaction observations conclusions AH is negative This reaction is always spontaneous, but proceeds faster at temperatures above 88. °C. A AS is positive This reaction is spontaneous only above 40. °C but proceeds at a faster rate above AH is (pick one) B 153. °C. AS is (pick one) AH is (pick one) This reaction is exothermic. AS is (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 A.S. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations The reverse of this reaction is always spontaneous but proceeds slower at temperatures below -26. °C. This reaction is spontaneous except above -42. °℃. This reaction is endothermic. AH is AS is conclusions AH is AS is AH is AS is X (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 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 (pick one) The reverse of this reaction is always spontaneous but proceeds faster at A temperatures above 25. °C. AS is (pick one) v This reaction is spontaneous except below AH is (pick one) 63. °C but proceeds at a faster rate above 117. °C. AS is (pick one) v AH iS This reaction is always spontaneous, but proceeds faster at temperatures above (pick one) v C 115. °C. AS is (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 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
An spontaneous process ALWAYS has a negative AG has a negative AH has a positiveAH has a positive AG
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 ΔΗ is (pick one) A The reverse of this reaction is always spontaneous. As is (pick one) ΔΗ is (pick one) B This reaction is spontaneous only below 20. °C. As is (pick one) с This reaction is spontaneous except below 85. °C but proceeds at a slower rate below ΔΗ is (pick one) 129. °C. As is (pick one) ×
at el Solve the following problems. ende 1. From the following AH and AS values, predict whether the reaction would be spontaneous. If not, at what temperature might the reaction become spontaneous? AH = -126 kJ 0)ont e) (lo\ AS = 84 J/K 6.6 ges 2.8 olgmoxa dard x ndiions, Gre free emergy change is caled
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) ♥
4. Use the given data at 298 K to calculate AS univ, and state whether the reaction occurs spontaneously at this temperature.: 2Cl:(9) + SO:(9) SOCla(g) + Cl20(g) SOC (g) Cl20(g) -212.5 309.77 Substance: Cl2(g) SO2(g) -296.8 AH° (kJ/mol): O S°(J/K-mol): 223.0 80.3 248.1 266.1