Why Are Bubbles in a Carbonated Drink Spherical

Imagine a stream of bubbles rapidly rising to the surface of glass of soda. What shape are these bubbles Without any prompting, all of us would picture spherically shaped bubbles. What chemical principles preclude oval-shaped or cubic-shaped bubbles  

Bubbles in a soft drink primarily arise from the carbonation, or dissolved carbon dioxide gas, added prior to bottling the soda. The gas bubbles are surrounded by liquid, primarily composed of water. The water dictates the shape of the gas bub- 

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