Question

Question 2. What is the rate constant in s?¹ for a first order reaction with an initial concentration of 0.400 M if after 210 sec, the concentration is 0.200 M? a) 3.30 x 10?³ b) 4.69 x 10?³ c) 2.12 x 10?³ d) 5.89 x 10?³ e) 1.11 x 10?³

          Question 2.
What is the rate constant in s?¹ for a first order reaction with an initial concentration of 0.400 M if after 210 sec, the concentration is 0.200 M?
a) 3.30 x 10?³
b) 4.69 x 10?³
c) 2.12 x 10?³
d) 5.89 x 10?³
e) 1.11 x 10?³

Question 2.
What is the rate constant in s?¹ for a first order reaction with an initial concentration of 0.400 M if after 210 sec, the concentration is 0.200 M?
a) 3.30 x 10?³
b) 4.69 x 10?³
c) 2.12 x 10?³
d) 5.89 x 10?³
e) 1.11 x 10?³

Added by Ashley A.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Ronald Prasad

12/10/2023

Step 1

Step 1: Write down the first order rate law equation: The first order rate law equation is given by: ln([A]t/[A]0) = -kt where [A]t is the concentration at time t, [A]0 is the initial concentration, k is the rate constant, and t is the time. Show more…

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Question 2. What is the rate constant in s^(-1) for a first order reaction with an initial concentration of 0.400M if after 210sec, the concentration is 0.200M ? a) 3.30 imes 10^(-3) b) 4.69 imes 10^(-3) c) 2.12 imes 10^(-3) d) 5.89 imes 10^(-3) e) 1.11 imes 10^(-3) Question 2. What is the rate constant in s-1 for a first order reaction with an initial concentration of 0.400 M if after 210 sec, the concentration is 0.200 M? Oa3.30x103 Ob4.69x 103 Oc2.12x103 Od5.89x 10-3 Oc1.11x 103