2) Given: 1. C2Hzig) + 5/20zig) →2CO2(@) + H2Om AH = -310.7 kcal –→ CO2(9) CO29) AH = -94.1 kcal 2. C(s) + O2(9) 3. H2(9) + 1/202(9) H2O) AH = -68.3 kcal %3D Calculate AH for 2C() + H2g) → C2H2(9)

Organic Chemistry
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ISBN:9781305080485
Author:John E. McMurry
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Chapter5: Stereochemistry At Tetrahedral Centers
Section5.3: Optical Activity
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2) Given:
1. C2H2(g) + 5/20Ozig) →2CO2(9) + H2Oj AH = -310.7 kcal
2. Ce) + O2(g) → CO2(9)
3. H2g) + 1/202(0)
AH = -94.1 kcal
→ H2O)
ДН %3D -68.3 kcal
Calculate AH for 2C) + H2(g)
C2H2(9)
Transcribed Image Text:2) Given: 1. C2H2(g) + 5/20Ozig) →2CO2(9) + H2Oj AH = -310.7 kcal 2. Ce) + O2(g) → CO2(9) 3. H2g) + 1/202(0) AH = -94.1 kcal → H2O) ДН %3D -68.3 kcal Calculate AH for 2C) + H2(g) C2H2(9)
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