CHEM 137: Adv Gen CHEM I and II Lecture

Unpack the difference between quantitative and non-quantitative observations. Examples include a person's weight on the Moon and the depth a hand pump can reach. Learn why precise measurements are crucial in scientific studies.

In this instructional video, we explore the conversion of various pressure units into atmospheres, covering mmHg, bars, Torr, and kPa. The process involves utilizing conversion factors to ensure accurate results for each unit. By the end, you'll have equivalent pressures in atmospheres for the given values, enhancing your understanding of pressure conversions.

Learn about mass changes in an iron bar when exposed to moist air, including the formation of rust (Fe?O?) and how to calculate the final mass.

Discover the art of classifying compounds as ionic or molecular based on bonding. Unravel the nuances between ionic and covalent bonds using electronegativity differences as a guide. Classify CoCl2 CF4 BaSO4 and NO with in-depth explanations and predict their properties.

Explore the relationship between mass, density, and volume using real-life examples, including water, ethanol, chloroform, and balsa wood. Learn the process of calculating mass and uncover which substance has the highest mass based on given conditions.

Discover the monatomic ions formed by potassium and iodine in this informative chemistry tutorial. Learn how to determine ion charges based on atomic properties and their positions on the periodic table.