At a particular temperature, N 20 5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N 20 5 is 1.0 x 10 16 molecules/cm 3 after 11.5 s? what will be the concentration in molecules/cm O a. 1.0 × 1016 O b.2.3 × 10-1 O. 7.0× 1014 O d. 3.4 x 101 O e.2,0 × 1014

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At a particular temperature, N 20 5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration ofN 20 5 is 1.0
х 10
16
molecules/cm
what will be the concentration in molecules/cm
3
after 11.5 s?
O a. 1.0 × 1016
O b.2.3 × 10-1
O. 7.0× 1014
O d. 3.4 x 101
O e. 2,0 × 1014
Transcribed Image Text:At a particular temperature, N 20 5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration ofN 20 5 is 1.0 х 10 16 molecules/cm what will be the concentration in molecules/cm 3 after 11.5 s? O a. 1.0 × 1016 O b.2.3 × 10-1 O. 7.0× 1014 O d. 3.4 x 101 O e. 2,0 × 1014
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