question archive The light emitting decay of excited mercury atoms (Hg vapor lamps) is a first order reaction:Hg(excited) –> Hg(ground state)The half life of the reaction is 4
The light emitting decay of excited mercury atoms (Hg vapor lamps) is a first order reaction:Hg(excited) –> Hg(ground state)The half life of the reaction is 4
Subject:MathPrice: Bought3
The light emitting decay of excited mercury atoms (Hg vapor lamps) is a first order reaction:Hg(excited) –> Hg(ground state)The half life of the reaction is 4.2 x 10-7 s.An initial sample of excited mercury atoms has a concentration of 4.5 x 10-6 M.a) How much time passes to reach a concentration of excited Hg atoms of 4.5 x 10-7 M? Choose from answers A-D.b) What is the [Hg(excited)] after 2.5 x 10-6 s (assuming the same initial conditions)? Choose from answers E-H.Question options:A) 5.5 x 106 sB) 3.4 x 103 sC) 7.2 x 10-3 sD) 1.4 x 10-6 sE) 7.3 x 10-8 MF) 4.5 x 10-6 MG) 2.4 x 10-6 MH) 2.8 x 10-4 M
