Complete the half-life rules

Exercise and reference answers

Missing parts

1. Answer

   0.693/k

   Choices

   1. 1/k
   2. k/0.693
   3. 0.693/k

2. Answer

   5.02

   Choices

   1. 7.25
   2. 5.02
   3. 1.38

3. Answer

   1/(k[A]0)

   Choices

   1. 1/(k[A]0)
   2. 0.693/k
   3. 2k/[A]0

Complete the statement

A first order half-life is {0}, so a decay with k = 0.138 per day halves in about {1} days. A second order half-life instead reads {2}.

Instructions

Tap the right entry for each blank.

Explanation