marleybug marleybug

11-03-2017
Chemistry

contestada

What is the rate constant of a first-order reaction that takes 5.50 minutes for the reactant concentration to drop to half of its initial value?

Respuesta :

11-03-2017

For a first order reaction, the half life is inversely proportional to the rate constant.
The formula is
half life = ln(2)/k = 0.693/k
where k is the rate constant

t = 5.50 minutes

k = ln(2)/5.50 = 0.126 min^-1

Your rate constant is 0.126 min^-1.

Answer Link

Otras preguntas

What does every race have in common? PLEASE HELPPPPPPPPP

Peter is married and has two children. He wants to be sure that he has sufficient life insurance to take care of his family if he dies. Peter’s wife is a homema

what are the areas that are affected by population growth explain any one of them???

Which of the following are characteristics of the Baroque Period? A emotion and religious fervor B psychological exploration and virtuously C movement spender

join the sentence He does not know anythin. That is certain

The passive of "He has to write a letter" is:

How does the development work help to mobilize the local resources?

Obtain all other zeros of 2 x power 4 - 6 x cube + 3 X square + 3 x minus 2 if two of its zeros are 1\ square root 2 and -1\square root 2

4. Write any three differences between single fixed pulley and single moveable pulley .Thanks to correct answer.Brainliest to Best answer.Report to random and u

4 pts John makes $2,800 per month and has an opportunity to invest $150 per month at an APR of 4.5% in a 401K plan through work. He plans to retire in 30 years.