Question

The rate constant (k) for a first order reaction is equal to 4.2 ×10-4s what is the half life for the reaction​

Answer 1

Answer:

1650sec

Explanation:

t1/2= 0.693/k

= 0.693/4.2×10^-4

= 0.165×10^4

= 1650 sec

Answer 2

Answer:

why was the court overcrowded to watch a robot in the witness box