CHEM
f16_che202_exam3b practice-2

# Using the standard entropy values c 2 h 4 g s 2198 j

• Test Prep
• 9

27. Using the standard entropy values: C 2 H 4 ( g ), S° = +219.8 J mol -1 K -1 H 2 ( g ), S° = +130.6 J mol -1 K -1 C 2 H 6 ( g ), S° = +229.5 J mol -1 K -1 calculate the standard entropy change, ' S°, for the reaction: C 2 H 4 ( g ) + H 2 ( g ) o C 2 H 6 ( g )
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• Fall '16

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