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Why are the collisions of gas particles said to be perfectly elastic?

Posted on March 5, 2021 by Author

Table of Contents [hide]

  • 1 Why are the collisions of gas particles said to be perfectly elastic?
  • 2 What does collisions between particles are perfectly elastic mean?
  • 3 What happens in a perfectly inelastic collision?
  • 4 When a collision is perfectly inelastic then?
  • 5 What do you mean by perfectly elastic collision?

Why are the collisions of gas particles said to be perfectly elastic?

A gas consists of molecules in constant random motion. 2. Gas molecules influence each other only by collision; they exert no other forces on each other. All collisions between gas molecules are perfectly elastic; all kinetic energy is conserved.

What does it mean when gases are perfectly elastic?

A perfectly elastic collision is defined as one in which there is no loss of kinetic energy in the collision. Collisions in ideal gases approach perfectly elastic collisions, as do scattering interactions of sub-atomic particles which are deflected by the electromagnetic force.

What will happen if the collisions of the gas molecules are not perfectly elastic?

What will happen if the collisions of the gas molecules with each otherr are not perfectly elastic? In case of inelastic collisions, the total kinetic energy of ga molecules decreases, leading to a decrease in molecular speeds. a time will come when the pressure of the gas will come reduce to zero.

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What does collisions between particles are perfectly elastic mean?

3. All collisions between particles are perfectly elastic. Perfectly elastic – there is no change in the total kinetic energy of the two particles before or after the collision. Mean Free Path – the average distance a molecule travels before colliding with another molecule. Pressure.

When gas particles collide the total energy of the gas?

Gas particles are in a constant state of random motion and move in straight lines until they collide with another body. The collisions exhibited by gas particles are completely elastic; when two molecules collide, total kinetic energy is conserved.

What happens when gas particles collide?

Most of the volume of a gas is therefore empty space. Collisions between gas particles or collisions with the walls of the container are perfectly elastic. None of the energy of a gas particle is lost when it collides with another particle or with the walls of the container.

What happens in a perfectly inelastic collision?

In a perfectly inelastic collision, i.e., a zero coefficient of restitution, the colliding particles stick together. In such a collision, kinetic energy is lost by bonding the two bodies together. This bonding energy usually results in a maximum kinetic energy loss of the system.

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What will happen to the kinetic energy when gas molecules collide elastically?

The collisions exhibited by gas particles are completely elastic; when two molecules collide, total kinetic energy is conserved.

Does the Ideal Gas Law accurately describe any gas?

1, the ideal gas law does not describe gas behavior well at relatively high pressures. Particles of a hypothetical ideal gas have no significant volume and do not attract or repel each other. In general, real gases approximate this behavior at relatively low pressures and high temperatures.

When a collision is perfectly inelastic then?

A perfectly inelastic collision occurs when the maximum amount of kinetic energy of a system is lost. In a perfectly inelastic collision, i.e., a zero coefficient of restitution, the colliding particles stick together. In such a collision, kinetic energy is lost by bonding the two bodies together.

Why are collisions of gas molecules elastic?

Collisions of gas molecules are elastic if the gas molecules are treated as hard spheres (like billiard balls). In other words, the molecules are not interacting and can’t absorb energy from the collision. I take it you mean gas molecules. AS two molecules approach, the elctrons on the outside get close and repel (both being negative).

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What happens to the speed of gas molecules when they collide?

Which leads me to believe that if the wall and gas were at the same temperature, elastic collisions with the wall would not, on average, reduce the speed of the gas molecules. However, if the wall were cooler than the gas, the gas molecules would tend to transfer energy to the wall, losing kinetic energy in the process.

What do you mean by perfectly elastic collision?

All collision between particles in a gas are perfectly elastic ( a collision between things where no energy is lost) The statements of the KMT desribe which type of gas? 1.

What happens to kinetic energy in an inelastic collision?

In the inelastic collision, some the kinetic energy is turned into sound, very slight deformation of the ball, etc So in the second case the total kinetic energy of the system after the collision will be less. BUT the initial force imparted to the ball stays the same, regardless of the collision type.

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