Fermentation
Fermentation
Formula
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
Real World
BrewDog's Punk IPA relies on Saccharomyces cerevisiae yeast fermenting barley sugars at around 20 °C to produce ethanol and the CO₂ that carbonates the beer.
Exam Focus
Compare fermentation (low temp, renewable, slow) with hydration of ethene (high temp/pressure, fast, fossil-fuel feedstock).
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