Boiling Point
The temperature at which the vapor pressure of the liquid is just equal to the external pressure on the liquid.
Boiling Point
Violet-black solid that ordinarily changes into a purple without passing through a liquid state. (goes through sublimation)
What is Iodine?
A measure of the force exerted by a gas above the liquid.
What is vapor pressure?
...gives the conditions of temperature at which substance exists as a solid, liquid, or gas (vapor).
What is a Phase Diagram?
A device that is used to measure atmospheric pressure.
A barometer.
The value of a normal boiling point
What is 101.3 kPa?
Occurs in solids with vapor pressures that exceed atmospheric pressure at or near room temperature.
What is sublimation?
The vapor pressure of a liquid can be determined with this device.
What is a manometer?
...describes the only set of conditions at which all 3 phases can exist in equilibrium with one another.
What is triple point?
The result of billions of rapidly moving particles in a gas simultaneously colliding with an object.
What is Gas Pressure?
The boiling point of common substance, Methanol
What is 64.7 degrees Celsius?
When and where sublimation occurs?
What is sublimation can occur in solids with vapor pressures that exceed atmospheric pressure at or near room temperature?
When this (of a contained liquid) is increased, the vapor pressure is increased as well.
What is temperature?
The _____ in pressure will raise the boiling point and raises the melting point.
What is increase?
All _____ between particles in a gas are perfectly elastic.
What is collisions?
How altitude affects boiling point
What is boiling point decreases at higher altitudes and increases at lower altitudes?
How organic chemists use sublimation
What is to separate mixtures and purify compounds?
What happens at equilibrium...
What is the particles in the system continue to evaporate and condense, but no change happens in the number of particles in the liquid or vapor?
A temperature of 0.016 degrees Celsius is the triple point of...
What is water?
Rapid, constant, and random.
What is the motion of particles in a gas?
The conditions when boiling begins to occur
What is when particles throughout the liquid is heated to a temperature which particles throughout the liquid have enough kinetic energy to vaporize?
How carbon dioxide (dry ice) can be used for sublimation and why.
What is can be used as a coolant because it does not produce a liquid, as ordinary ice does when it melts?
Increase in temperature of a contained liquid increases the vapor pressure because...
What is the particles in the warmed liquid have increased kinetic energy?
The conditions of pressure and temperature at which 2 phases exist at equilibrium indicated by...
What is a line separating the 2 regions representing the phases?
An empty space with no particles and no pressure.
What is a vacuum?