PreparED Study Materials
CHEM 2: Hon Genrl Chemistry
School: University of California - Irvine
Number of Notes and Study Guides Available: 1
Notes
Videos
Density Explained: Calculating the Density of an Osmium Cube
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this tutorial, we break down the principle of density, illustrating it as a measure of mass per unit volume. Using an osmium cube as a practical example, we walk viewers through the steps of computing its density, demonstrating the interplay between mass, volume, and particle arrangement.
Amino Acid Reaction: Peptide Bond Formation and Product Diversity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the reaction between alanine and glycine, two amino acids, and unravel whether this process results in multiple reaction products. We'll delve into the intriguing world of peptide bond formation and examine the potential diversity of products that may emerge from this biochemical reaction."
Sketching Lewis Structures: Radical Species ClF? and BrO? Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video elucidates the method to sketch Lewis structures for the radical species ClF? and BrO?. Highlighting the distinguishing feature of an unpaired electron, we illustrate the bond arrangements and lone pairs that define these unique chemical entities.
Understanding Chlorine's Oxidation States in Complex Ions: A Step-by-S
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore how to determine the oxidation states of Chlorine in various ions using fundamental rules in chemistry. Learn the importance of oxidation numbers in understanding chemical reactions and the art of balancing chemical equations.
Constitution of Compounds: CH4O, CH3Cl, C2H6, CH5N, C2F6, C2H5Br, C3H8
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unraveling Molecular Structures: Explore the composition of compounds with molecular formulas CH4O, CH3Cl, C2H6, CH5N, C2F6, C2H5Br, and C3H8. Learn about their unique structures and properties.
Calculating MgO Mass from Oxygen Gas at STP
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, the problem involves calculating the mass of magnesium oxide (MgO) produced when 14.8 liters of oxygen gas react with magnesium metal according to the chemical equation 2Mg + O2 -> 2MgO. The stoichiometric relationship is used to determine that 0.6607 moles of oxygen gas results in 1.3214 moles of MgO, with a final calculation yielding a mass of 53.25 grams of MgO formed during the reaction at Standard Temperature and Pressure (STP).