What is the energy an object has because of its motion?
100
The motion of gas particles.
What is rapidly, constantly, and randomly?
100
The kind of motion a liquid has.
What is disruptive?
100
Solids do not flow because...
What is their particles tend to vibrate about fixed points?
100
This is useful for separating substances.
What is sublimation?
200
Define vaporization.
What is the conversion of a liquid to a gas or vapor?
200
The device used to measure atmospheric pressure.
What is a barometer?
200
The rate of evaporation a liquid equals...
What is the rate of condensation of vapor?
200
When a solid is heated, its particles...
What is vibrate more rapidly as their kinetic energy increases?
200
Useful for separating mixtures and for purifying compounds.
What is sublimation?
300
Define amorphous solid.
What is lacks an ordered internal structure?
300
The Kelvin temperature is proportional to...
What is average kinetic energy of the substance's particles?
300
A liquid boils when...
What is its vapor pressure is equal to the external pressure?
300
Three examples of amorphous solids.
What is rubber, plastic, and asphalt?
300
The point on the diagram at which all three lines meet is called...
What is the triple point?
400
Define allotropes.
What is two or more different molecular forms of the same element in the same physical state?
400
Gas pressure results from...
What is billions of rapidly moving gas particles simultaneously colliding with an object?
400
The normal boiling point of liquid is the boiling point of a liquid at a pressure of...
What is 101.3 kPa?
400
A crystal lattice is a repeating array of...
What is one out of fourteen kinds of unit cells?
400
Cannot exist in equilibrium below the triple point.
What is vapor and liquid?
500
Define triple point.
What is describes the only set of conditions at which all three phases can exist in equilibrium with one another?
500
The numerical relationship between:
One standard atmosphere, millimeters of mercury, and kilopascals.
What is: 1 atm = 760mm Hg = 101.3 kPa?
500
A dynamic equilibrium exists between a liquid and a vapor in...
What is a system at constant vapor pressure?
500
When a crystalline solid is shattered...
What is the fragments have the same surface angles as the original solid did?
500
This is indicated on a phase diagram.
What is the conditions of pressure and temperature at which two phases exist in equilibrium by a line separating the two regions representing the phases?