Respuesta :
when gas molecules collide (for example molecules of o2 or n2 in the air), they don't stick together due to their high thermal energy.
Why are collisions between gas molecules said to be elastic?
Because gas molecules are so small, the kinetic theory of gases assumes that every collision between them will be fully elastic. The energy and momenta of the molecules are conserved during collisions if the molecules are small. As a result, regardless of accidents, the temperature does not change.
What is an elastic collision between gas particles according to the kinetic theory?
Any collision in which there is no overall kinetic energy loss is said to be elastic. During an elastic collision, kinetic energy may be transmitted from one particle to another, but the combined energy of the colliding particles remains unchanged. Between gas particles, there are no forces of attraction or repulsion.
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