What does this symbol represent: ( + )
Separates two or more reactants or products
What does an (Arrow) represent?
Separates reactants from products
What does a (Double Arrow) represent?
Indicates a reversible reaction
What does this symbol represent: ( s )
Identifies a solid state
What does this symbol represent: ( l )
Identifies a liquid state
What does this symbol represent: ( aq )
Identifies a water solution
What does this symbol represent: ( g )
Identifies a gas state
What is Diffusion?
When two or more gasses mix together until distributed evenly.
What is Effusion?
Gas escapes from a tiny opening.
What are London Dispersion Forces?
Forces are caused by the attraction between temporary dipoles in neighboring molecules.
What are Dipole-Dipole Forces?
Attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.
What is the Viscosity of a liquid determined by?
Attractive Forces
The Size and Shape of the particles
The Temperature
What is Surface Tension?
The energy required to increase the surface area of a liquid by a given amount.
What is a Crystalline Solid?
A solid whose atoms, ions, or molecules are arranged in a geometric structure.
What is a Crystal Lattice?
The symmetrical three-dimensional structural arrangements of atoms, ions or molecules inside a crystalline solid as points.
What is a Unit Cell?
The Smallest arrangement of atoms in a crystal lattice.
Solid - Liquid
Melting (Endothermic)
Liquid - Solid
Freezing (Exothermic)
Liquid - Gas
Vaporization (Endothermic0
Gas - Liquid
Condensation (Exothermic)
Solid - Gas
Sublimation (Endothermic)
Gas - Liquid
Deposition (Exothermic)
What is an Exothermic Reaction?
A reaction in which Heat is Released.
What is an Endothermic Reaction?
A reaction in which Heat is Absorbed.
What is a Calorie?
A unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 °C
What is the unit of measurement for Energy?
Joules
What is a Kilocalorie (kcal) ?
1,000 calories
What does the symbol “K” represent in a rate law equation?
The Specific Rate Constant
What factor can affect the value of the specific rate constant?
Temperature
What is the definition of Enthalpy?
The heat content of a system at constant pressure.
How many Joules are equivalent to 1 calorie?
4.184 J
What is the weakest type of Intermolecular Force.
London Dispersion Forces