Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

Calculate ΔS° for each of the three following reactions using the data provided below:
 

Formula ΔS °, J/mol•K ΔG °, kJ/mol
 CH3OH(g)  239.9  -162.0
 CH4(g)  186.2  -50.8
 H2(g)  130.6  0
 O2(g)  205.0  0
 CO2(g)  213.8  -394.4
 H2O(g)  188.8  -228.6
 H2O(l)  69.9  -237.2

 

Reaction 1:

2CH3​OH(g)+3O2​(g)2CO2​(g)+4H2​O(g)

ΔS °rxn =  _____   J/K   

Reaction 2:

CH4​(g)+2O2​(g)CO2​(g)+2H2​O(l)

ΔS °rxn = ______    J/K   

Reaction 3:

2H2​(g)+O2​(g)2H2​O(g)

 ΔS °rxn =  ______   J/K   

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