You are watching: Which postulate of the kinetic molecular theory breaks down under conditions of low temperature?
Motion the atom or molecular is as result of thermal energy. At any given moment, over there is a circulation of velocities(some space moving faster than others). But the greater the temperature, the much faster the all at once motion and kinetic energy
av. Kinetic power is sameav. Velocity is diffHelium needs to move faster to have the same av. Kinetic power as Argon.
When two particles collide, they may exchange energy, but there is no all at once loss the energy. These particles do not exert forces on one an additional between collisions.
particles move in right lines till it collides with another particle (or through the wall surface of the container)
KMT assumes that particles accounting no volume also if they have actually mass. Under common pressure, an are bet. Atoms or molecules in a gas is very large compared come the dimension of atom or molecule.
the postulate the the forces between the gas particles room not far-reaching breaks under at low temperatures. At short temperatures, the molecules space not relocating as rapid as at higher temperatures, so as soon as they collide they have greater methods to interact
Which postulate that the kinetic molecular theory breaks under under conditions of high pressure? Explain.
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the postulate the the volume of the gas particles is small compared to the room between them breaks down at high pressure. An ext molecules accounting what supplied to be greatly empty space, and individual sizes now matter
(a) the volume that the gas particlesis tiny compared come the space between them, and (b) the forces between the gas particlesare no significant.
The finite volume that gas particles—that is, their actual size —becomes important at highpressure due to the fact that the volume the the corpuscle themselves rectal a far-reaching portionof the complete gas volume
At short pressures, the molarvolume the argon is almost ___ to the of suitable gas.But together the push increases, the molar volume the argonbecomes ____than the of suitable gas
the right gas law predicts a volume that is also small. Van der Waals said a small correction aspect that accounts for the volume of the gas particles themselves: