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

if you were to write a narrative about you get dropped of in mars. What would you write
Bertrand collects movie posters. The number of movie poster in his collection each month as he buys and sells posters.The table shows how many poster he bought
Which of the following statements about Boyle's law are correct? The temperature and pressure must remain constant for the law to apply. The temperature and th
You order two tacos and a salad. The salad costs $2.50. You pay 8% sales tax and leave a $3 tip. You pay a total of $13.80. How much does one taco cost?
i need help with this math question 3f+9<21
8x5 using distributive property
What did the declaratory act state?
A general exponential demand function has the form q = Ae−bp (A and b nonzero constants). (a) Obtain a formula for the price elasticity E of demand at a unit pr
Match each thesis statement with an essay topic
What type of government acts as a unifying force for people in England? A. Anarchy B.Dictatorship C.Monarchy D.Oligarchy