Suppose that you place exactly 100 bacteria into a flask containing nutrients fo

Question

Suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 C:

t(min)        Number of bacteria

_________________________

0                 100

16.0            200

32.0            400

48.0            800

64.0            1600

What is the order of the rate of production of the bacteria?

zero order, first order, second order?

How many bacteria will be present after 112 min?

=_____________bacteria

What is the rate constant for the process?

k= _______

Explanation / Answer

First order, since bacteria double every 16 seconds. This would be a straight line on a graph.

12800 bacteria

use first order integrated rate law
ln[A]t =

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