Thermodynamics Exercise Exercise 18.52 Part B For each pair of substances, choose the one that you expect to have the higher standard molar entropy (S°) at 25°C and explain why. Match the words in the left column to the appropriate blanks in the sentences on the right. SO2(g) PCl3(g) it has a greater molar mass it has a greater molar mass and complexity CH3CH2CH2CH3(g) F2(g) Br2(g) it has a greater complexity PCl5(g) Between Br2(g) and F2(g), will have the higher standard molar entropy because . Between PCl5(g) and PCl3(g), will have the higher standard molar entropy because . Between CH3CH2CH2CH3(g) and SO2(g), < **Exercise 18.52: Understanding Standard Molar Entropy****Part A** For each pair of substances, choose the one that you expect to have the higher standard molar entropy (S°) at 25°C and explain why. Match the words in the left column to the appropriate blanks in the sentences on the right.---1. **Between NaNO₃(s) and NaNO₃(aq),** will have the higher standard molar entropy because a solution has more entropy than a solid crystal.2. **Between CH₄(g) and CH₃CH₃(g),** will have the higher standard molar entropy because it has a greater molar mass/complexity.3. **Between Br₂(l) and Br₂(g),** will have the higher standard molar entropy because it is in the gas phase.---The sentences from the left column are meant to be correctly dragged into the proper blank spaces to complete the statements about standard molar entropies in the right column. This interactive exercise helps students understand how different phases and molecular complexities affect entropy.

concept: standard molar entropy ; gases > liquids > solids standard molar entropy: complex…

Reset Help SO2(g) Between Br2 (g) and F2(g), will have the higher standard molar entropy because PC3 (g) it has a greater molar mass Between PC3 (g) and PCI5 (g). will have the higher standard molar entropy it has a greater molar mass because and complexity CH3 CH2CH2CH3(g) Between CH3 CH½CH2CH3(g) and SO2(g). will have the higher standard molar entropy because F2(g) Br2 (g) it has a greater complexity PCI (g)

Reset Help SO2(g) Between Br2 (g) and F2(g), will have the higher standard molar entropy because PC3 (g) it has a greater molar mass Between PC3 (g) and PCI5 (g). will have the higher standard molar entropy it has a greater molar mass because and complexity CH3 CH2CH2CH3(g) Between CH3 CH½CH2CH3(g) and SO2(g). will have the higher standard molar entropy because F2(g) Br2 (g) it has a greater complexity PCI (g)

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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s es 365 Course Use the standard entropy of formation values found under each of the chemical species to calculate ASn in J/mol.K. Only enter numerical value. C2 H2 (9) + 2H2 (9) C2H6 (g) Sº (J/mol.K) 200.9 130.7 229.2 -102.4
Estimate boiling joint given entropy and enthalpy of vaporization
Entropy Example: If AS°¸ =-198.3 J/K, is the reaction spontaneous at 25°C sys N2 + 3H2 → 2NH3 • AS univ = AS sys + AS surr > ? • AS surr =-(AHsys)/T Determine the AHrxn • AH˚4 N2(g) = 0 kJ/mol f • AH°+ H2(g) = 0 kJ/mol f • AH° NH 3(g) = -46.19 kJ/mol f
Entropy Example: If AS°¸ =-198.3 J/K, is the reaction spontaneous at 25°C sys N2 + 3H2 → 2NH3 • AS univ = AS sys + AS surr > ? • AS surr =-(AHsys)/T Determine the AHrxn • AH˚4 N2(g) = 0 kJ/mol f • AH°+ H2(g) = 0 kJ/mol f • AH° NH 3(g) = -46.19 kJ/mol f
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)
plz explain with clear steps :) this was rejected prior due to an "honor code" violation. What fucking retard thinks that an optional "self assesment" violate the honor code...
What is the entropy of vaporization?_______J/mol What is the enthalpy of vaporization?_______kJ/mol
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