Regents Prep Chemistry: Online Resources

Regents Prep: Chemistry
Online Resources

5a. Kinetics & Equilibrium: Collision Theory Resources

Boiling Point Elevation (R. H. Logan)
Describes the effect of electrolytes in solution boiling point.

Chemical Equations (ChemWeb)
Brief overview of equations, mass to mass, mass to volume, volume to volume problems.

Electrolytes, Non-Electrolytes, and Colligative Properties (R.H. Logan)
Electrolytes, non-electrolytes, and colligative properties for the abnormal behavior of electrolytes on vapor pressure, boiling point, freezing point, and osmosis (these 4 topics are linked).

Energy and Chemical Change (Fred Senese)
Good site for thermal energy, calorimetry, heat capacity, enthalpy (heat of reaction), endothermic and exothermic, thermochemical equations.

Freezing Point Depression (R.H. Logan)
Describes the effect of electrolytes in solution on the freezing point.

Introduction to Solutions (R.H. Logan)
Describes concentration, energy transfers, solubility and factors affecting solubility.

Kinetic Theory (Internet Science Room)

Liquid and gaseous matter (Internet Science Room)
Heat of fusion, heat of vaporization, calorimetry problems.

Misc. Molar Mass Problems (John Park)
Worksheet.

Mole Conversions: Given Moles, Convert to Grams (John Park)
Worksheet and sample problems.

Moles and Number (Bob Salsa)
Explains moles and Avogadro number, moles and mass, mole ratio and chemical formulas, moles and chemical formulas, moles and Ideal Gas Law (pV=nRT).

MOLS, PERCENTS, and STOICHIOMETRY (Homework Central)
Chemtutor. Large linked site. Click on density times volume of a pure material and Gases (Ideal Gas Law).

Notes On Entropy and Gibbs Energy (Gwen Sibert)
Heat of reaction (entropy); spontaneous reactions; entropy; heat of fusion; heat of vaporization; entropy changes. Includes sample calculations.

Other Gas Calculations (Internet Science Room)
Avogadro hypothesis, molar volume, ideal gas law, and Graham's Law.

Solubility and Temperature (Bemidji State)

Solubility Calculations (Bemidji State)

Solubility Rules (Gwen Sibert)

Solution Preparation (Internet Science Room)
Handy chartdescribes terms relating to solutions: concentrated, molarity, molality, normality, dilute and directions for preparing a variety of solutions.

Solutions (ChemWeb)
Describes type of solutions, molarity, molality, mole fraction, Kf (freezing point depression), and Kb (boiling point elevation).

The Combined Gas Law (John Park)
Explanation, sample calculations and links to worksheet.

The Four Gas Law Variables (John Park)
Brief explanations of the four variables of temperature, pressure, volume, and moles.

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