A) The civilization on the planet Ecton is endangered by the continual illegal disposal of Klingon hair spray which is causing the atmosphere to decompose by a first order rate law. Science officer spock has determined that thier atmosphere is decomposing with a half life of 12.50 min. Dr. Mccoy, the medical officer, has determined that the ectonians need a minimun of 6.25% of the original atmosphere to survive. meanwhile, scottie, the chief enginner, is desperately trying to fix the transporter so that the entire ectonian pouplation can be transported to as safe planet. you are the acting commander, replacing captain kirk. How long does scottie have to repair the transporter?

B) What are the units for zeroth, firstand second order rate constants? use moles, liters, and seconds as the basic units.