Particles
Fastest diffusing molecules
What are smaller molecules?
A device that measures atmospheric pressure
What is Barometer
Pascal (Pa) is the unit a pressure named after this person.
Who is Blaise Pascal?
Reverse of melting point.
What is freezing point?
The force per unit area.
What is Pressure?
These particles don't go through any forces such as attraction or repulsion.
What are gas molecules?
Visual representation of pressure versus temperature and how phases of the change of a substance
What is a phase diagram?
The chemists responsible for providing a new model to represent the properties of gasses.
Who are Ludwig Boltzmann and James Maxwell?
This state of matter has particles tightly packed.
What is solids?
One material moves through another until equilibrium is reached.
What is diffusion?
When two particles collide, this energy amount is altered, just transferred.
Measures the gas pressure in a closed container.
What is a manometer?
This chemist's discoveries proved an inverse relationship between effusion rates and molar mass.
Who is Thomas Graham?
Solids sink because of this.
What is higher density?
Energy is not lost in the action, just changed to another form
What is elastic collision?
Intermolecular forces can hold these kinds of particles
What is identical?
RateA √molar mass
_______ =
RateB √molar mass
What is the rate of diffusion?
Discovered that each gas in a mixture produces pressure independently of the other gases that are also present.
Who is Thomas Dalton?
Reverse of sublimation.
What is deposition?
A weak force that happens because of temporary shifts in the density of electrons in electron clouds.
What is dispersion force?
For lighter particles that have the same average kinetic energy as heavier particles, this must be increased.
Velocity
KE= ½ mv2
What is the kinetic energy equation?
Discovered the weak force that happens because of temporary shifts in the density of electrons in electron clouds (dispersion force).
Who is Fritz London?
In sublimation this step is skipped.
What is turning into a liquid?
An element that exists in a variety of forms at the same state- solid, liquid, or gas.
What is an allotrope?