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).
Thermal decomposition, or thermolysis, is a chemical decomposition caused by heat.The decomposition temperature of a substance is the temperature at which the substance chemically decomposes. The reaction is usually endothermic as heat is required to break chemical bonds in the compound undergoing decomposition. When water is heated to well over 2000 Â°C, a small percentage of it will decompose into OH, monotomic oxygen, monotomic hydrogen, O 2, and H 2. 2  The compound with the highest known decomposition temperature is carbon monoxide at â3870 Â°C (â7000 Â°F). .