8) The reaction

CH3- N≡C → CH3- C≡N

is a first-order reaction. At 230.3°C, k = 6.29 x 10^-4 s^- 1. If [CH3 -N≡ is 1.00 x 10^-3 initially,
C]

[CH3-N ≡ C] is __________ after 1.000 x 10^3 s.

A) 5.33 x 10^-4

B) 1.00 x 10^-6

C) 4.27 x 10^-3

D) 2.34 x 10^-4

E) 1.88 x 10^-3

1 answer

ln(No/N) = kt
Substitute and solve for N.