Dr. V

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135 videos

My name is Krisztina Voronova, but most of my students call me Dr. V. I'm a professor at the Chemistry Department of University of Nevada, Reno. I hope you f...

Latest Videos

The Ideal Gas Law and Reaction Stoichiometry How to Calculate the Volume of the Produced Gas

Dalton’s Law of Partial Pressures and the Mole Fraction with Examples!

Nuclear Transmutations Fusion, and Fission

Kinetics of Radioactive Decay

Nuclear Stability and Magic Numbers

Radioactivity Alfa and Beta Decay, Positron Emission, Electron Capture, and Gamma Emission

Gibbs Free Energy

Third Law of Thermodynamics

Entropy and the Second Law of Thermodynamics

Spontaneous Processes Reversible and Irreversible Processes

The Greenhouse Effect Estimating the Quantity of CO2 Released from Combustion - Practice Question

Air pollution acid rain and photochemical smog Environmental Chemistry

Ozone depletion and chlorofluorocarbons (CFCs) Environmental Chemistry

The Atmosphere. Calculating Gas Concentration from Partial Pressure.

Photochemical Reactions in the Atmosphere. The Wavelength and Frequency Required to Break a Bond.

Solubility equilibria and the solubility-product constant, Ksp.

Buffer capacity. The pH of buffer solutions after the addition of a strong acid or base.

pH of buffer solutions the Henderson–Hasselbalch equation.

What is a Buffer Solution

The common-ion effect. Calculate the pH of a solution containing a weak acid and its conjugate base.

Acid–Base Properties of Salts with Examples

Acid- and Base-Dissociation Constants for Conjugate Acid-Base Pairs with Examples

How to calculate the pH from the Acid-Dissociation Constant, Ka

Weak Acids, the Acid-Dissociation Constant. How to Calculate the Acid-Dissociation Constant from pH

Autoionization of Water, the Ion-Product Constant, and the pH Scale with Examples

Conjugate Acid–Base Pairs and Strengths of Acids and Bases with Examples

What is an acid and a base Arrhenius, Brønsted–Lowry, and Lewis acids and bases

Le Chatelier’s Principle Explained with Examples

Equilibrium Expression for Homogeneous vs. Heterogeneous Equilibria

How to Calculate Equilibrium Concentrations from the Equilibrium Constant Example!