Use these virtual vapor pressure experiments to learn more about gases' reactions in various scenarios.

Students investigate the relationship between the vapor pressure of liquid and its temperature. They use a Pressure Sensor and a Temperature Probe to collect pressure and temperature data. Students compare the vapor pressure of two liquids.

The meaning of vapor pressure is introduced. The distinction between evaporation and boiling is discussed and explained. The reason that liquids undergo vaporization is explained.

A good explanation of vapor pressure depression.

Type in an element or compound and the temperature and corresponding vapor pressures are shown.

A series of virtual experiments that show students the power and importance of evaporation.

[Free Registration/Login Required] In this activity, observe the relationship between elevation, boiling point, and atmospheric pressure. Then answer a self-correcting challenge question.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe a liquid according to the kinetic-molecular theory. They will also learn how a liquid exhibits surface...

Basic design of a demonstration machine that will lower the vapor pressure and cause water to evaporate at room temperature.

The Classius-Clapyron equation can be used to determine the enthalpy of vaporization from vapor pressure measurements over a range of temperatures. In this simulation students are asked to create the appropriate plot of the data and use...

[Free Registration/Login may be required to access all resource tools.] Covers physical properties of water, hydrogen bonding, surface tension, and vapor pressure.

[Free Registration/Login Required] Travel around the world to different locations and explore the relationship between altitude, vapor pressure, and boiling point.

The ideal gas law is presented and explained. The derivation of other gas laws is performed. Gas behavior is explained in terms of gas laws. Excellent graphics.

This site provides a discussion of dew point and relative humidity, containing formulas that look at connections between temperature, humidity, and dew point.

Do you need to know a specific value of a specific quantity for any given substance? If so, this is the place. Find the heat capacity, heats of vaporization and fusion, and much more from this page.

Detailed explanation of the term 'volatility' and how it is used in chemistry and physics. (Updated: January 9, 2012)

A very detailed look at the element Gallium, a member of the Boron Group.

A very detailed look at the element Indium, a member of the Boron Group.

A very detailed look at the element Thallium, a member of the Boron Group.

Explore some virtual experiments on gases and vapor pressure, the Maxwell speed distribution, the barometric formula, and heat and temperature.

An encyclopedia article on boiling point explains what it is, what is needed for a substance to reach a boiling point, and what latent heat of vaporization is.

An introduction to colligative properties.

The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.

This page looks at Le Chatelier's Principle and explains how to apply it to reactions in a state of dynamic equilibrium. It covers changes to the position of equilibrium if you change concentration, pressure or temperature. It also...