A sealed container holds .020 moles of ideal nitrogen gas at a pressure of 1.5 a

Question

A sealed container holds .020 moles of ideal nitrogen gas at a pressure of 1.5 atmospheres and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol. 1. What is the approximate mass density of the gas, in SI units?
2. What is the approximate transitional kinetic energy of a nitrogen molecule, in SI units? A sealed container holds .020 moles of ideal nitrogen gas at a pressure of 1.5 atmospheres and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol. 1. What is the approximate mass density of the gas, in SI units?
2. What is the approximate transitional kinetic energy of a nitrogen molecule, in SI units? 1. What is the approximate mass density of the gas, in SI units?
2. What is the approximate transitional kinetic energy of a nitrogen molecule, in SI units?

Explanation / Answer

P*M=?*R*T

?=1.5*14/0.0821*290

?=0.882gm/lit

transitional kinetic energy=0.5Kb*T

                                          =0.5*6.9*10-23*290

                                            =1*10-23J

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