Topic 9 Flashcards
1
Q
What is the variable Z stand for?
A
collisional frequency
2
Q
What does <v> mean?</v>
A
average speed of the molecule
3
Q
What does Na mean?
A
Avogadro’s number
4
Q
How do you find the partial pressure of a gas?
A
(parts per million*10^6)(100000Pa)
5
Q
What units does rho carry when calculating collisional frequency?
A
m^-3
6
Q
What does rho tell us?
A
Amount of a gas per m^3
7
Q
What are the units on Z?
A
m^-2*s^-1
8
Q
How do you figure out how much time is in between each collision?
A
1/time^-1
8
Q
How do you find out how often a single atom hits the wall?
A
(pi*r^2)(collisional frequency)
9
Q
What does sigmaab stand for?
A
collisional cross-section
10
Q
What is the hard sphere collision frequency?
A
When molecules collide, they react
11
Q
What exponent is ‘pica’
A
10^-12
12
Q
A
