|Nov4-12, 12:32 PM||#18|
Conservation of Momentum v.s. Conservation of Energy
That is to say, a collision can impart angular kinetic energy to the molecule which is lost to the translational kinetic energy. More complex molecules can have even more degrees of freedom. Some of these degrees of freedom "freeze out" at lower temperatures because of their quantum nature.
Two mono-atomic molecules colliding without exciting their electrons to higher energy states can be considered completely elastic.
|Nov4-12, 01:45 PM||#19|
As for the loss in kinetic energy with in-elastic collisions, in most situations, it's converted into heat during the deformation process. The relative amount of loss depends on how in-elastic the collision is.
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