dancagu8stmacharp
dancagu8stmacharp dancagu8stmacharp
  • 04-08-2016
  • Chemistry
contestada

After 62.0 min, 33.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?

Respuesta :

taskmasters
taskmasters taskmasters
  • 06-08-2016
Half life is determined using the equation expressed as:

A = Ao e^-kt

First, we need to find for the value k.

A = .67Ao = Ao e^-k(33 min)
k = 0.0121

The half-life is then calculated as follows:
A = .5Ao = Ao e^-0.0121(t)
t = 57.28 min

Answer Link

Otras preguntas

cliff collects marbles. 1/2 of his collection is blue. of the blue marbles 1/2 of these are a dark blue. how much of cliff's marbles collection is dark blue.​
Members of the debate team are traveling to a tournament, where they will stay in a hotel for 4 nights. The total cost for each member must be within $20 and $2
Why does the transfer of energy between two things stop?
discuss the two main types bookkeeping may be completed. which method is easier and why​
The number of hours people in the United States spent playing video games each year from 1998 to 2001 can be modeled by the function f(x)= 11.9x+46.4 where x is
I don’t get the second question.
The importance of cold war to the developing countries
2x² + y² = 18xy = 4​
Can you answer these questions?
What are the roots to the equation 2x² + 6x-1=0?