PreparED Study Materials
Notes
Study Guides
Videos
Vaporization vs. Condensation: Heat Dynamics in Phase Transitions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the science behind endothermic and exothermic processes by studying vaporization and condensation. Grasp the molecular changes involved and understand the role of heat in these transformations. A comprehensive look into why vaporization requires heat, while condensation releases it.
Classifying the Boiling of Water: Physical or Chemical Change? Justify
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video tackles the classification of boiling water as either a physical or chemical change, examining the provided options. We conclude that boiling is a physical change, as the water's chemical composition remains the same during the transition from liquid to gas.
Crafting Ionic and Net Ionic Equations: Step-by-Step Guide with Exampl
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to craft balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the significance of aqueous ions and solid state indicators in these equations.
Specific Rotation Calculation: Polarimeter Demystified
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to calculate specific rotations of samples using a polarimeter in this informative chemistry tutorial. Explore optical activity and learn step-by-step calculations for two real-world examples. Enhance your understanding of specific rotation and its application in chemical analysis.
Conjugate Bases of Brønsted Acids: Formulas and Descriptions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the fundamental concept of conjugate bases in the context of the Brønsted-Lowry theory of acids and bases, explaining how when acids donate protons, they transform into their respective conjugate bases. This understanding is exemplified through the specific reactions of various compounds, illustrating how each Brønsted acid, upon proton donation, gives rise to its corresponding conjugate base.