PreparED Study Materials
CHEM 115: General Chemistry 1
School: St Charles Community College
Number of Notes and Study Guides Available: 1
Notes
Videos
Decoding Acid Formulas: From Phosphoric to Sulfurous - Chemistry Insig
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the distinct chemical formulas of various acids like phosphoric, hydrobromic, and sulfurous acids. Understand their practical applications, from flavoring agents to sanitization in brewing. Highlighting their unique molecular makeup, learn the critical roles they play.
Calculate the Volume of 3.00 Moles of Kr(g) at STP
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video delves into the principles of gas behavior at standard temperature and pressure (STP) and how to determine the volume occupied by a given number of moles of gas under these conditions.
Ethylene Glycol & Freezing Point in Antifreeze
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We explore the impact of increasing the concentration of ethylene glycol in an antifreeze mixture, explaining the resulting effect on the freezing point of the solution by examining its interaction with water molecules.
Identifying Redox Reactions & Agents: Four Chemistry Examples
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore oxidation and reduction processes across four chemical reactions differentiating between acid-base and redox activities. Highlighting key substances and their roles in each reaction.
Determining Bond Types: Ionic, Polar Covalent, or Covalent in Chemical
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This discussion revolves around the classification of chemical bonds as ionic, polar covalent, or covalent based on the electronegativity difference between the atoms involved. The general criteria for this classification are explained: a difference greater than 1.7 indicates an ionic bond, between 0.5 and 1.7 signifies a polar covalent bond, and less than 0.5 designates a covalent bond. It then applies these criteria to four specific examples, including the CC bond in ethane (H?CCH?), the KI bo
Balancing the Photosynthesis Equation: CO?, H?O to Glucose & O?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the balanced chemical equation for photosynthesis, where CO? and H?O produce glucose and O?. Uncover the step-by-step breakdown of the equation, ensuring atom balance. Grasp a clear understanding of this vital process in plant biology.

