CHEM 212: Organic Chemistry II

In this video, we classify substances as elements, compounds, or mixtures, with air and soy sauce as mixtures, iron as an element, and table salt as a compound.

Explore the intricacies of endothermic and exothermic reactions through everyday examples. Delve into the energy dynamics of ice melting and water freezing, while emphasizing the importance of the heat change (?H) in these processes.

Explore the groundbreaking moment in 1828 when Wöhler synthesized urea, the first organic compound. Join us in this video as we trace the profound impact of this achievement on the field of biochemistry and its significance in unraveling the mysteries of life's complex chemistry.

Unlock the world of chemical formulas and their atom ratios. Learn to write compounds like CaI?, N?O?, SiO?, and ZnCl? in this chemistry tutorial.

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.

Break down the mysteries of ions like Al³?, S²?, I?, and Ag?. Discover how the electron count impacts ion charge by exploring Aluminium, Sulfur, Iodine, and Silver. Enhance your understanding of protons, electrons, and their relationship in ions.