University of Oklahoma X sapling earning com O pling com Vibisc 3204 gleaming ms

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University of Oklahoma X sapling earning com O pling com Vibisc 3204 gleaming ms/mod/ibis/view.php?id P Dynamic Periodic k Canwas Sapling Learning Sapling Learning I University of Oklahoma HEM 1415 Spring17-CLIFFORD I Activities and Due Dates HW 2 My Assignment r Attempts Score 127/2017 11:5s PM 3.4/5, G /24/2017 23 AM Print Calculator Periodic Table Question 6 of 19 EA Sapling Learning Consider the following reaction at 298 K: C raphite 2H (g) CHI (g) Calculate the following quantities. Number m0 Number J/ mol. K Number 12 J mo 2011-2017 Sapling Learning, Inc Jump to Gradebook Map AH 74.6 kJ mol Previous Check Answer Next Exit privacy policy terms of use O Logout Help Resources OAssignment Information Available From: 20/2017 06:00 PM Due Date: 27/2017 11:55 PM Points Possible: 5 Grade Category: Graded Description attempt, 0% penalty, Policies: Soluti After Due Date You can check your answers. due date. You have five attempts per question There is no penalty for incorrect answers O eTextbook OHelp with This Topic OWeb Help & Videos OTechnical Support and Bug Reports

Explanation / Answer

delta So values are

C graphite - 5.74 J/K

H2 - 130.6 J/K

CH4 - 186.2 J/K

delta S sys = delta S of products - delta S of reactants

delta Ssys = 186.2 - [2*130.6 +5.74 ] = -80.74 J/K

Dela Ssurrounding = -DeltaH/T = 74.6*1000 / 298 = 250.33 J/K

delta Suniv = delta Ssys + delta Ssur = -80.74 + 250.33 = 169.59 J/k

delta So values are

C graphite - 5.74 J/K

H2 - 130.6 J/K

CH4 - 186.2 J/K

delta S sys = delta S of products - delta S of reactants

delta Ssys = 186.2 - [2*130.6 +5.74 ] = -80.74 J/K

Dela Ssurrounding = -DeltaH/T = 74.6*1000 / 298 = 250.33 J/K

delta Suniv = delta Ssys + delta Ssur = -80.74 + 250.33 = 169.59 J/k

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