0

Chemistry Crash Course | Chemistry Help

S16E2 - Entropy Changes in Chemical Reactions, and Gibbs Free Energy

SECTION 16 - Spontaneity Entropy and Free Energy

S16E2 - Entropy Changes in Chemical Reactions, and Gibbs Free Energy

Change in Entropy and Gibbs Free Energy. Entropy and Disorder in Chemical Reactions. How to Calculate Entropy Change Using a Table of Standard Entropy Values.

Read more →


S5E2 - Boyle's Law, Charles' Law, and Avogadro's Law

SECTION 5 - Gases

S5E2 - Boyle's Law, Charles' Law, and Avogadro's Law

Boyle's Law, Charles Law, and Avogadro's. Combined Gas Law Examples and Problems, Defining the Universal Gas Constant (R), and the Ideal Gas Law, PV=nRT

Read more →


S15E2 - Buffers and Buffer Solution pH Calculations

SECTION 15 - Applications of Acid-Base Equilibria

S15E2 - Buffers and Buffer Solution pH Calculations

What is a Buffer? Buffers, or Buffered Solutions, Resist Changes in pH upon the Addition of Acid or Base.  Examples of pH Calculations for Buffer Solutions.

Read more →


S4E2 - Strong and Weak Electrolytes, Nonelectrolytes, and Molarity

SECTION 4 - Types of Chemical Reactions and Solution Stoichiometry

S4E2 - Strong and Weak Electrolytes, Nonelectrolytes, and Molarity

Strong Electrolytes, Weak Electrolytes, and Nonelectrolytes. Why is a Weak Acid a Weak Electrolyte? Why is a Weak Base a Weak Electrolyte? Molarity Calculations.

Read more →


S14E2 - Acid Strength and Acid-Base Conjugate Pairs

SECTION 14 - Acids and Bases

S14E2 - Acid Strength and Acid-Base Conjugate Pairs

Acid Strength, Acid-Base Conjugate Pairs, and Ka Values for Some Common Monoprotic Acids. The Stronger the Acid, the Weaker its Conjugate Base, and vice-versa.

Read more →