CHEM 200: Intro to Chemical Principles

Learn how to perform dilution calculations for solutions, including copper(II) nitrate, calcium chloride, and lithium carbonate, to achieve specific concentrations.

This video explains the disproportionation reaction of disulfur decafluoride at 150°C. It teaches you to write a balanced equation for this reaction and give the oxidation state of S in each compound.

Unveil the correlation between molecular shapes and their respective intermolecular forces. Delve into the specifics of nitrogen trichloride, ammonia, silane, and carbon tetrachloride, highlighting their unique force interactions based on polarity.

Learn how to create Lewis structures for various molecules and assign charges where needed. Understand the molecular connectivity and electron distribution.

Discover the differences between physical and chemical changes using common examples. Understand how sugar reacts in various scenarios, and how metals undergo changes, either maintaining their substance or forming new compounds.

Understanding pH Values: In this video we break down the pH levels of various solutions. Discover the importance of acid strengths via Ka and pKa contrast weak vs. strong acids and learn the counterintuitive relationship between pOH and pH.