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February 11, 2016

Homework Help: physics

Posted by alicia on Wednesday, February 13, 2013 at 8:27am.

In a specific region of interstellar space the atomic composition of gaseous matter is 89.1% atomic hydrogen and 10.9% helium, the temperature is 27K and the pressure is 2.58x10^-15Pa. What is the density of matter in this region? What is the particle density?

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