PreparED Study Materials
CHEM 11107: Experimental Principles of Chemistry
School: Texas Tech University
Number of Notes and Study Guides Available: 13
Notes
Videos
Comparing Masses: Analyzing Water, Ethanol, Chloroform & Balsa Wood
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relationship between mass, density, and volume using real-life examples, including water, ethanol, chloroform, and balsa wood. Learn the process of calculating mass and uncover which substance has the highest mass based on given conditions.
Understanding Microwaves: Boiling Water's Time and Photon Count
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video breaks down the process of calculating the time and number of photons required to boil water in a microwave. Using given power, wavelength, and water specifics, we determine both energy needs and photon count.
Electron Configurations: Zn Cu Zr & Fe Transition Metals Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel electron configurations for transition metals including zinc copper zirconium and iron. Understand how atomic number influences electron arrangement based on the Pauli exclusion principle Hund's rule and the Aufbau principle. Decode the configurations of each metal with clarity.
Determining Mass Percent Concentration of Solutions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.
Converting Pressure Units to Atmospheres: mmHg, bars, Torr, kPa
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this instructional video, we explore the conversion of various pressure units into atmospheres, covering mmHg, bars, Torr, and kPa. The process involves utilizing conversion factors to ensure accurate results for each unit. By the end, you'll have equivalent pressures in atmospheres for the given values, enhancing your understanding of pressure conversions.
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.
































