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).
Photos.com/AbleStock.com/Getty Images. A chemical reaction is the transformation of one or more chemical substances, called reactants, into another set of chemical substances, called products.. Chemical reactions involve the breakage and formation of chemical bonds, and this has an associated transfer of energy.ndothermic Reactions. Endothermic chemical reactions absorb energy from their surroundings. Usually these reactions cause the surroundings and the reaction mixture to decrease in temperature.