CHEM 121: Chemistry 121

Explore the reactivity of different bases in this chemistry comparison. We'll analyze the strength of H?S?, CH?O?, CH?OH, Cl?, CH?COO?, and CH?CHClCOO? in various reactions.

This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.

In this video we explore the process of calculating the weight percent of barium potassium and chlorine in a mixed sample of barium chloride dihydrate and potassium chloride. Through a step-by-step approach we examine the changes in sample weight after heating to 160°C breaking down the calculations for each elemental content.

Unlock the secrets of precipitation reactions as we mix Aluminium nitrate and Sodium hydroxide. Discover how Al(NO?)? and NaOH interact forming the insoluble Aluminium hydroxide Al(OH)?. Break down the net ionic equation to highlight only the active participants.

Uncover the intriguing relationship between molecular geometry and polarity in chemistry. Using CO? and CCl? as examples, learn how polar bonds can result in nonpolar molecules. Recognize the role of symmetry in determining molecular polarity.

Discover how to precisely calculate mass, moles, formula units, and atoms in various compounds. Understand the concept with examples like chromium(III) sulfate decahydrate, dichlorine heptoxide, and lithium sulfate. Master chemistry calculations through a step-by-step guide.