Correct Answer: Opening a Champagne Bottle

  • Author: ChemViews Magazine
  • Published Date: 08 December 2015
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
thumbnail image: Correct Answer: Opening a Champagne Bottle

Congratulations! Your answer is correct.

The white fog or smoke that appears as a champagne bottle is opened is condensed water from the atmosphere. It results from the pressure/volume work associated with the change in pressure between the sealed bottle (approx. 5 atm) and the open bottle. The associated cooling is sufficient to condense or even freeze water from the surroundings.

For thermodynamic details and more on champagne see:


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Magazine of Chemistry Europe (16 European Chemical Societies) published by Wiley-VCH