This is always the case in a decomposition reaction. Don't forget that!! Figuring out what the products are in decomposition is harder (maybe you'll think it's easier!!) because you will have to recognize several categories of decomposition reactions.
Geology. a small, usually spherical cavity in a rock or mineral, formed by expansion of a gas or vapor before the enclosing body solidified. Origin of vesicle.
[pathology] any small sac or cavity, especially one containing serous fluid | a blister | [geology] a rounded cavity within a rock formed during ... (22 of 285 words, 5 definitions, 2 usage examples, pronunciation) wwwâ.collinsdictionaryâ.comâ/dictionaryâ/englishâ/vesicle.