PreparED Study Materials
CHEM 100: Everyday Chemistry With Lab
School: Portland Community College
Number of Notes and Study Guides Available: 4
Notes
Study Guides
Videos
STP Reactions: How Phosphorus & Oxygen Form P?O??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Grasp the concept of Standard Temperature and Pressure (STP) and its significance in chemistry. Through a practical example, this video elucidates how phosphorus reacts with oxygen at STP to produce tetraphosphorus decaoxide. Comprehensive mole calculations and chemical equations simplify this intriguing chemical process.
Diluting a 5.5 M KCl Solution to 0.100 M
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the steps to make a 2.5 L of 0.100 M KCl solution from a 5.5 M stock solution in this easy-to-follow tutorial.
Lone Pair vs. Bonding Pair Electrons: Atomic Insights Unveiled
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the atomic world and the crucial distinctions between lone pair and bonding pair electrons in this insightful video. Delve into the fundamental aspects of atomic structure, electron orbitals, and their roles in chemical bonding, reactivity, and molecule formation.
Understanding Reaction Rate Decrease Over Time
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This explanation delves into the phenomenon where the reaction rate decreases over time due to the decrease in reactant concentration, resulting in fewer successful collisions and reactions, without revealing specific examples or findings.
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:
full solution
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.
Decoding Acid Formulas: From Phosphoric to Sulfurous - Chemistry Insig
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the distinct chemical formulas of various acids like phosphoric, hydrobromic, and sulfurous acids. Understand their practical applications, from flavoring agents to sanitization in brewing. Highlighting their unique molecular makeup, learn the critical roles they play.


