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

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

What was the first danger and counter by the turtle when it started out across the highway

The table shows a linear function. Which equation represents the function? f(x)=−2x+4 f(x)=2x+12 f(x)=−12x+4 f(x)=4x−2 x f(x) 4 2 0 4 −4 6

Which level of the federal judicial system has or has only a pellet jurisdiction

Fission creates large amounts of: A.uranium B.air pollution C.carbon dioxide D.radioactive waste

How to make a word problem with 5th graders

Which of the following is a correct characteristic of New France? Constant severe conflicts between French settlers and the American Indians A well-defined l

It is appropriate for clients diagnosed with type 2 diabetes to take oral antidiabetic agents and forego recommended dietary changes.

Nucleic acids are composed of: A. A phosphate group, a pentose sugar, a carboxylic acid B. A nitrogen base, an amino group, a carboxylic acid C. A pen

Mary experiences long periods of time when she feels very depressed. however, she occasionally goes through phases where she is highly focused on her painting a

please answer this math geometry question!