Listen. In small cell lung cancer 'extensive stage', the average life expectancy is believed to be 9 to 12 months; and if the person does not opt for proper treatment, it can go down to 4 to 6 months.Advertisement.isten. In small cell lung cancer 'extensive stage', the average life expectancy is believed to be 9 to 12 months; and if the person does not opt for proper treatment, it can go down to 4 to 6 months.
The noun CHEMICAL DECOMPOSITION REACTION has 1 sense: 1. (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance. Familiarity information: CHEMICAL DECOMPOSITION REACTION used as a noun is very rare. Dictionary entry details. â¢ CHEMICAL DECOMPOSITION REACTION (noun).
A chemical decomposition reaction or analysis reaction is one of the most common types of chemical reactions. In a decomposition reaction a compound is broken into smaller chemical species. In some cases, the reactant breaks into its component elements, but a decomposition may involve breakdown into any smaller molecules.