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STatiana [176]
3 years ago
7

Interstellar space has an average temperature of about 10 K , and an average density of hydrogen atoms of about one hydrogen ato

m per cubic meter. Calculate the mean free path of hydrogen atoms in interstellar space. Use ????=100 pm as the diameter of a hydrogen atom.
Chemistry
1 answer:
Bas_tet [7]3 years ago
7 0

Answer:

2.2508\times 10^{19} m meter the mean free path of hydrogen atoms in interstellar space.Explanation:

The mean free path equation is given as:

\lambda =\frac{1}{\sqrt{2}\pi d^2 n}

Where"

d = diameter of hydrogen atom in meters

n =  number of molecules per unit volume

We are given: d = 100 pm = 100\times 10^{-12}= 10^{-10} m

n = 1 m^{-3}

\lambda =\frac{1}{\sqrt{2}\pi (10^{-10} m)^2\times 1 m^{-3}}

\lambda =2.2508\times 10^{19} m

2.2508\times 10^{19} m meter the mean free path of hydrogen atoms in interstellar space.

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