PreparED Study Materials
CHEM 2210: General Chemistry
School: Northwest Nazarene University
Number of Notes and Study Guides Available: 1
Notes
Videos
Strontium: Deep Dive into Its Isotopes & Atomic Structure
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the step-by-step process of Barium Sulfate formation from the reaction of Barium Chloride with Sodium Sulfate. Learn about molar mass calculations stoichiometry and yield predictions.
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.
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:
full solution
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.
Unveiling Earth's Crust: Calculating Silicon Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating process of calculating the mass of silicon in Earth's crust. Learn how to convert Earth's total mass to grams, determine the crust's mass percentage, and find the silicon's mass within the crust. Discover the scale of silicon's presence in our planet's outer layer.
Why is a short RNA primer needed for replication?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unlocking the Mystery of Short RNA Primers in DNA Replication: Discover the essential role they play and why they are a crucial component in the replication process. Join us in this video as we delve into the fascinating world of molecular biology and DNA replication.
Drawing Lewis Structures for Potassium, Barium, Aluminum, and Bromine
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We explore Lewis structures, which depict atom bonding and lone electron pairs. We create Lewis structures for potassium, barium, aluminum, and bromine by using group numbers in the periodic table to determine their valence electrons.
