Effervescence

Effervescence is the escape of gas from an aqueous solution and the foaming or fizzing that results from a release of the gas. The word effervescence is derived from the Latin verb fervere (to boil), preceded by the adverb ex. It has the same linguistic root as the word fermentation.

Effervescence can also be observed when opening a bottle of champagne, beer or carbonated beverages such as soft drinks. The visible bubbles are produced by the escape from solution of the dissolved gas (which itself is not visible while dissolved in the liquid).

Although CO2 is most common for beverages, nitrogen gas is sometimes deliberately added to certain draught beers. The smaller bubble size creates a smoother beer head. Due to the poor solubility of nitrogen in beer, kegs or widgets are used for this.

In the laboratory, a common example of effervescence is seen if hydrochloric acid is added to a block of limestone. If a few pieces of marble or an antacid tablet are put in hydrochloric acid in a test tube fitted with a bung, effervescence of carbon dioxide can be witnessed.

Podcasts:

PLAYLIST TIME:

Effervescent!

by: Devin Townsend Project

Everyone into forever
Everything a part of me
Dancing all into whenever
Effervescent quality
Everyone into forever
Everything a part of me
Dancing all into whenever
Effervescent quality
Effervescent quality
Effervescent quality




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New research published in Personality and Social Psychology Bulletin suggests that live music enhances wellbeing through a psychological phenomenon known as collective effervescence ... effervescence.
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