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

A noble woman educated her children. Why was a peasant woman less likely to teach her own children?
What are at least three things a colony needs to successfully achieve autonomy? democratic form of government capitalistic economic system numerous treaties wit
How might Congressman Steve King respond to "Brutus'" statements on natural rights?
a florist sold bouquets of red roses to 15 of the first 20 customers who came into his shop. What is the experimental probability how many bouquets of red roses
Which answer corrects the error in capitalization? On January 1, 1863, Abraham Lincoln issued the Emancipation proclamation. A. Proclamation B. emancipation C.
-3x-8y=20 -5x+y=19 substitute
Sarah has going to work for 60 days. On 39 of those days she arrived at work before 8:30 AM. On the rest of the day she arrived after 8:30 AM. What is experimen
is 4 m greater or less than 400 dm
Michelle is thinking of a shape. It is not a polygon. It has two sides what is it?
A noble woman educated her children. Why was a peasant woman less likely to teach her own children?