rakanmadi87
15.04.2020 •
Physics
A container of nitrogen (an ideal diatomic gas, molecular weight=28) is at a pressure of 2 atm and has a mass density of 1.5 grams per liter. What is the typical speed of the nitrogen molecules in the container? What is the root-mean-square velocity (vrms) of the center of mass of one of the molecules?
vrms =
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Ответ:
572m/s
Explanation:
Vrms=√(3RT/m)
Were R = 8.314
M molecular weight= 28g/mol= 0.028kg/mol
T in temperature
Recall PV=mRT
Also P*Density/R=T
T= 2*1.5/0.0821=367K
Vrms=√(3*8.314*367/0.028)=572m/s
Ответ: