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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 C 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 holow-16 °C AH is ✔ (pick one) 3 positive negative O unknown (pick one) AS is conclusions AH is AS is AH is (pick one) (pick one) C

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 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 holow-16 °C AH is ✔ (pick one) 3 positive negative O unknown (pick one) AS is conclusions AH is AS is AH is (pick one) (pick one) C

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
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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 always spontaneous, but proceeds faster at temperatures above 9. °℃. 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 ✓ (pick one) positive negative unknown (pick one) ↑ (pick one) (pick one) î (pick one) î
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 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 above 9. °℃. 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 ✓ (pick one) positive negative unknown (pick one) ↑ (pick one) (pick one) î (pick one) î
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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
Transcribed Image Text: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
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