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.reactionobservationsconclusionsΔΗ isThe reverse of this reaction is alwaysspontaneous but proceeds slower atv (pick one) 9Apositivetemperatures below 78. °C.As isnegativeunknownΔΗ isThis reaction is always spontaneous, butproceeds slower at temperatures above(pick one)В-7. °C.As is(pick one) OΔΗ is(pick one)This reaction is faster above 21. °C thanCbelow.AS is(pick one)

The spontaneity of a reaction is determined by Gibbs's free energy value (∆G). A reaction is…

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 The reverse of this reaction is always spontaneous but proceeds slower at ΔΗ is v (pick one) 3 A. positive temperatures below 78. °C. As is negative unknown AH is This reaction is always spontaneous, but proceeds slower at temperatures above -7. °C. (pick one) e B AS is (pick one) 8 ΔΗ is (pick one) e This reaction is faster above 21. °C than below. As is (pick one) e

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 The reverse of this reaction is always spontaneous but proceeds slower at ΔΗ is v (pick one) 3 A. positive temperatures below 78. °C. As is negative unknown AH is This reaction is always spontaneous, but proceeds slower at temperatures above -7. °C. (pick one) e B AS is (pick one) 8 ΔΗ is (pick one) e This reaction is faster above 21. °C than below. As is (pick one) e

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
Try Again Your answer is incorrect. 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 reaction B: Your answer is incorrect. B с observations This reaction is always spontaneous, but proceeds faster at temperatures above 9. °C. This reaction is spontaneous except below -20. °℃ but proceeds at a slower rate below 73. °C. Crystallization of a pure compound is spontaneous only below - 16. °C. AH is AS is conclusions AH is AS is AH is AS is X negative ↑ positive ↑ positive î negative ↑ negative ↑ negative ↑ 5
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) e This reaction is spontaneous only below A 99. °C. AS is (pick one) e ΔΗ is (pick one) e B The reaction is never spontaneous. AS is (pick one) e This reaction is spontaneous only above ΔΗ is (pick one) 8 141. °C but proceeds at a slower rate below 179. °C. AS is (pick one) 8
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 A B C observations This reaction is always spontaneous, but proceeds faster at temperatures below 140. °C. The reaction is never spontaneous. This reaction is spontaneous only above 129. °C but proceeds at a slower rate below 192. °C. AH is AS is conclusions AH is AS is AH is AS is X ✓ (pick one) positive negative unknown (pick one) î (pick one) (pick one) C Ś ↑ (pick one) 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)
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 The reverse of this reaction is always spontaneous. This reaction is spontaneous except above 64. °C. This reaction is always spontaneous, but proceeds faster at temperatures below 77. °C. 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)
Chemistry Use the observations about each chemical reaction in the table below to AS. decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations cenclusions AH is ick one This reaction is spontaneous only below -22. C. AS is eive AN is The reverse of this reaction is always spontaneous AS is pick one 8 AH is cene This reaction is exothermic AS is AS. Note: if you have not been given enough information to decide a sign, select the "unknown" o conclusions observations reaction ΔΗ is v (pick one) This reaction is spontaneous only below positive -22. °C. AS is negative unknown ΔΗ is (pick one) e The reverse of this reaction is always spontaneous. AS is (pick one) 6 ΔΗ is (pick one) e This reaction is exothermic. AS is (pick one) e reaction observations conclusions This reaction is spontaneous only below ΔΗ is (pick one) e A. - 22. °C. AS is…
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 ?
Solve correctly please.
choose the correct option for each reaction
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) ♥