Using the conditions of spontaneity to deduce the signs of AH and AS 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 A This reaction is endothermic and proceeds faster at temperatures above 70. °C. AS is ✓ (pick one) positive negative unknown B This reaction is spontaneous except below 69. °C but proceeds at a slower rate below 92. °C. ΔΗ is \PICK O AS is (pick one) ΔΗ is (pick one) C The reaction is never spontaneous. AS is (pick one) ☑ 000 18 Ar
Using the conditions of spontaneity to deduce the signs of AH and AS 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 A This reaction is endothermic and proceeds faster at temperatures above 70. °C. AS is ✓ (pick one) positive negative unknown B This reaction is spontaneous except below 69. °C but proceeds at a slower rate below 92. °C. ΔΗ is \PICK O AS is (pick one) ΔΗ is (pick one) C The reaction is never spontaneous. AS is (pick one) ☑ 000 18 Ar
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
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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