PreparED Study Materials
CHEM 100: Introduction to Chemistry
School: Waubonsee Community College
Number of Notes and Study Guides Available: 7
Notes
Study Guides
Videos
Tailors' Seam Measurements: Precision and Accuracy Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
An in-depth analysis of the precision and accuracy in seam measurements by three apprentice tailors: X, Y, and Z, as they measure a pair of trousers. Understand how their measurements compare to the true length of 32.0 inches.
Chemical Formulas: CaI?, N?O?, SiO?, ZnCl? for Atom Ratios
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unlock the world of chemical formulas and their atom ratios. Learn to write compounds like CaI?, N?O?, SiO?, and ZnCl? in this chemistry tutorial.
Chemical Formulas for Barium Hydroxide, Magnesium Sulfite, and More
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video discusses the process of writing chemical formulas for different compounds, providing details on the types and charges of ions involved in each compound's composition. The video concludes with the chemical formulas for barium hydroxide, magnesium sulfite, calcium carbonate, ammonium sulfate, and lithium hydrogen carbonate.
1828 Synthesis of Urea: Pioneering Steps in Biochemistry
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the groundbreaking moment in 1828 when Wöhler synthesized urea, the first organic compound. Join us in this video as we trace the profound impact of this achievement on the field of biochemistry and its significance in unraveling the mysteries of life's complex chemistry.
Calculating Ksp for Ca3(PO4)2 at 25°C: Step-by-Step Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the concepts of 'Molar Solubility' and 'Solubility Product' to gauge salt solubility. Explore how Calcium Phosphate dissociates in solutions and calculate its unique Ksp value.
Molecular Lewis Structures for CH?, CO?, H?Se, and NH?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, we demonstrate the creation of Lewis structures for methane, carbon dioxide, hydrogen selenide, and ammonia, highlighting the arrangement of atoms and bonds in each molecule. The video emphasizes the importance of Lewis structures in visualizing atomic bonding and the presence of lone electron pairs.