The chemical reaction will be opening a can of Guinness beer.

The chemical reaction will be opening a can of Guinness beer. When
the can is opened, a small amount of beer and nitrogen, trapped in the widget, is forced out through the beer, which creates the famous creamy head that you find on a pint of Guinness Draught served in a pub. The widget gives Guinness Draught in cans the taste and texture of a pub-poured pint at home. should be at least 250 words.

(A). Identify a chemical reaction that affects your daily life. Include chemical formulas and equations.
(B). Is this a reaction that readily occurs in nature, or is it something that must be controlled and manipulated by man?
(C). What is/are the consequence(s) of this reaction? How can you tell this reaction has taken place?
(D). Is this reaction endo or exothermic / endo or exergonic (does it absorb heat or energy, or does it release it)?
(E). Is this reaction reversible?
(F). Classify this reaction. For example, is this a synthesis, decomposition, single displacement or double displacement reaction? Acid Base? Redox?

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