CHEM 231: General Chemistry

This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.

Discover the art of writing balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the nuances that differentiate between these equations and watch them applied to diverse chemical reactants.

Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.

This video explores the structural and functional differences between sphingomyelins and glycolipids, two types of lipids found in cell membranes, highlighting their commonalities in backbone and fatty acid composition and their distinctive roles in cell structure and recognition.

Learn how to calculate the amounts of Cesium and Iodine in a 38.77g sample of a Cs-I compound. Starting with a 125g compound this tutorial uses conversion factors to find 19.83g of Cesium and 18.94g of Iodine. Perfect for chemistry students seeking to master stoichiometry and compound analysis.