[14] use the maxwell distribution of speeds to estimate the fraction of co2 molecules at 300 k that have speeds in the range 200 to 250 m s approximate the integral by calculating the area of the region as a rectangle whose height equals that of the full distribution at the center of the range.

Explanation:

Speed (c) will be calculated as follows.

                  c = = 225 m/s

Speed range (dc) will be calculated as follows.

               dc = (250 - 200)

                    = 50

Boltzmann constant =

     T = 300 K,       mass of molecule =

Calculate the fraction of molecules in range dc as follows.

    =

                              = 0.001917

Thus, we can conclude that fraction of molecules present are 0.001917.

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