Physics and Anesthesiology: Kinetic Theory of Gases II

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Kinetic Energy and Temperature

2Oxygen Failure Protection Device (Figure 22-5) 

 

1Relationships between kinetic energy and temperature

"Atoms of two different monoatomic gases separated by a movable piston" From reference 1, Figure 39-2, page 39-8.

n1<m1v21/2> = n2<m2v22/2>

  • Before we consider the above analysis a little more carefully, let's consider the hypothetical case of an initial state of a gas in a volume in which all the gas molecules are initially moving in exactly the same velocity (i.e. equivalent momentum).  The motion of the atoms will be random and as the atoms collide with one another, depending on the angle, translational kinetic energy will be exchanged resulting ultimately in a distribution of molecular speeds, even if all the initial speeds were the same.

   

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