CHEM 4360: Molecular Biology

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.

Discover the simple yet essential method for counting the number of oxygen atoms in different molecular sets, including molecules and ions.

Dive into the chemical reaction between Barium Chloride and Sodium Sulfate. Through step-by-step calculations, discover how to determine the resultant mass of Barium Sulfate. Conclude with a real-world example, highlighting the precise amount formed.

Explore the process of determining ionizable hydrogen atoms in malonic acid using its molecular formula C3H4O4 and a neutralization reaction with Sodium hydroxide. Through methodical calculations involving the given mass of malonic acid and the required volume of Sodium hydroxide for neutralization we uncover that each molecule of malonic acid contains two ionizable H atoms.

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

Explore the endothermic reaction between Ba(OH)2·8H2O and NH4NO3 observing its impact on surroundings like the freezing water. Discover why touching the beaker feels cold and learn about heat transfer in such chemical reactions. This video is an insightful demonstration of heat absorption in chemical reactions.