Chemistry 302

This video explains the relationship between potential, work and free energy.

This short video shows an example of using the Arrhenius Law to determine a new T given a certain increase in rate for a reaction with a given Ea.

Short video explaining how to calculate the cell potential under nonstandard conditions using the Nernst equation.

This short video shows the thermodynamic basis of the Nernst equation.

Short video showing relationship between electrochemical cell potential and K, equilibrium constant.

This short video employs the relationship between standard cell potential and free energy to calculate the free energy of a cell.

This short video shows the dimensional analysis approach to relating the time to the total charge delivered given a set current.

Short description of Faraday's law with basic example of converting charge to amount metal reduced.

Short video working an example of how to balance a redox reaction in acidic solution.

This short video is an example of balancing a REDOX reaction in basic solution.

A short description of electron transfer in a REDOX reaction.

This short video describes the terms oxidizing agent and reducing agent.

This short video demonstrates how to determine oxidation numbers in reactions.

This short video describes the empirically derived Arrhenius Law.

Second order integrated rate equation, worked example and half life derived.

Zero Order Integrated Rate Equation and half-life Derived.

Half life of First Order Reaction derived and worked example.

First order integrated rate law explained and worked example.

Sources of radiation

Quantifying Radiation. The "amount" of radioactivity of a substance.

Isotopic Decay series explained.

Description of the term half life.

Short video describing alpha, beta and gamma radiation.

Calculation of the amount of energy given off with a nuclear decay

Band of Stability Explained

Short description of the difference between Nuclear and Chemical change.

Approximate pH Formulas

Calculation of acetic acid buffer with and with out added NaOH.

Example of calculating the necessary anion to acid ration needed for a desired pH buffer.

Calculate the pH of an acidic acid buffer using Henderson-Hasselbalch equation.

A look at the concept of buffers.

Calculate the pH as the result of a neutralization of HCl with ammonia in equal molar ratios. First predict an acidic solution, then calculate the pH.

Example of calculation of % ionization and pH in a solution of a weak acid, HF, and the common ion F-.

Calculate the pH of the resulting solution when equimolar weak acid strong base are mixed.

Calculation of the pH as the result of mixing excess strong acid with strong base.

This video describes how given the concentration of a strong acid or weak acid, one would calculate the pH of such a solution.

Description of Bronsted Lowry Acids and Bases

Strong acid and base description.

Short list of acids and bases that need to be memorized.

Short video defining weak acids and bases.

Le Chatelier and Temperature

A look at Le Chatelier's principle and concentrations.