PreparED Study Materials
CHM 114: General Chemistry 2 Lab
School: University of Rhode Island
Number of Notes and Study Guides Available: 1
Notes
Videos
Ionic Character Comparison: Analyzing NaBr vs. HBr and BrCl vs. FCl
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Discover the analysis of ionic character in compounds based on electronegativity differences. Learn about the contrasts between NaBr vs. HBr and BrCl vs. FCl. Grasp why NaBr and FCl showcase greater ionic character than their paired compounds.
Ethane Hydrazine or Fluoromethane: Which is Liquid at Room Temp?
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Explore the states of ethane hydrazine and fluoromethane at room temperature by understanding intermolecular forces. Learn about nonpolar molecules dipole-dipole interactions and the powerful influence of hydrogen bonding. Discover why hydrazine stands out as most likely to be a liquid in everyday conditions.
Pseudo-Noble Gas Configurations: A Unique Path to Atomic Stability
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Discover the concept of the pseudo-noble gas configuration, differentiating it from the traditional noble gas configuration. Examine examples like tin and indium to illustrate how elements achieve this unique state of stability. Unpack the intriguing intricacies within atomic structures.
From CH? to C?H?: Decoding Molecular Formula with Molar Mass
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Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.
STP Reactions: How Phosphorus & Oxygen Form P?O??
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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.
Understanding Reaction Rate Decrease Over Time
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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.