Ideal Gases Definitions Flashcards
1
Q
Define moles
A
The SI unit for substance
2
Q
Define Avogadro’s number
A
The Number of atoms or molecules in one mol of a substance.
3
Q
Define an Ideal gas
A
- Random velocities
- Negliable electrostatic forces between molecules
- Negliable volume of molecules
- All collisions are perfectly elastic
- Negligable colission duration
4
Q
Define root mean square
A
The square root of the mean square speeds of all the particles in a gas
5
Q
Define Maxwell-Boltzmann distribution
A
The distribution of speeds of particles in a gas
6
Q
Define the Boltzmann constant
A
A constant relating KE of particles to the temperature of a gas.
-R/NA
7
Q
Define internal energy
A
Sum of randomly distributed kinetic and potential energies of all the molecules in a substance.