PreparED Study Materials
CHEM 101: General Chemistry 1
School: Owens Community College
Number of Notes and Study Guides Available: 1
Notes
Videos
Determining Base Concentration Using KHP: Indicator Choice Solution
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.
Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.
Evolutionary Implications of Cytochromes vs. Hemoglobin and Myoglobin
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this video, we delve into the fascinating world of evolutionary adaptations in heme-containing proteins.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Glassware Drying with Acetone: The Science Behind It
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This discussion delves into the use of acetone as a solvent for removing water from laboratory glassware, exploring the science behind its effectiveness and the role of hydrogen bonding in facilitating rapid evaporation.
Calculating the Mass of CCl4: Using Density and Volume Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the method to calculate the mass of a substance using its density and volume. This video demonstrates the practical application of density in determining the mass of carbon tetrachloride (CCl4) from a given volume.

