. Cyclopropane, an anesthetic, decomposes to propene as follows (g)- â CH,CH-CH2 (g) The reaction is first order with respect to cyclopropane with k = 92 s-1 at 1000°C a) Calculate the half-life of the reaction. (2) b) How much of a 3.00 M sample of cyclopropane remains after 0,50 se at 1000°C (2) 2. The following rate data were obtained at 25°C for the reaction... (9) 2 so, (g) + O2 (g) â 2 SO3 (g) Rate-wso2]TO2P