Equilibrium Ch 17

Be able to Define, Explain, and Give Examples of the Following:


Principle of le Chatelier

Conditions of Equilibrium:

. Dynamic microscopic action

. Constant macroscopic props

Shifting the Equilibrium by

. Pressure

. Temperature

. Concentration

Methods to stress equilibria:

. Increase heat.

. Increase pressure.

. Increase conc. reactants

The Warming Curve of Water

H2O(s)+80 cal/g <-->H2O(l)

H2O(l)+538 cal/g <--> H2O(g)




. Freezer frost (vapor to solid)

. Iodine (I2) (solid to gas)

. Moth Crystals (solid to gas)

. Snow (vapor to solid)

. Cirrus clouds (vapor to solid)

. Dry ice (CO2) (solid to gas)


... Cool by evaporation

Capacity of air

Absolute Humidity

Relative Humidity

Advection Fog

Radiation Fog

Upslope Fog

Adiabatic Cooling

Energy of Water Joules of energy

. warm ice 2.06 J/gCo

. melt ice 334 J/g

. warm water 4.18 J/gCo

. evaporate water 2290 J/g

. warm vapor 20.2 J/gCo

Vapor pressure

Boiling Point


. volume increases 1500 times!

Boiling without heating

Cooling by boiling

Boiling by cooling

Freezing by boiling

The Great Suckback!