PreparED Study Materials

CHEM 177: General Chemistry I

School: Iowa State University

Number of Notes and Study Guides Available: 13

Notes

Study Guides

Videos

Calculating Vapor Pressure & Its Lowering: Urea in Water at 35°C
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore the intriguing process of determining the vapor pressure of a urea-water solution at 35°C. Using Raoult's law we'll calculate the mole fraction of water and urea leading to the solution's vapor pressure. Learn how the solution's composition affects vapor-pressure lowering

Evolutionary Implications of Cytochromes vs. Hemoglobin and Myoglobin
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

In this video, we delve into the fascinating world of evolutionary adaptations in heme-containing proteins.

Classifying the Boiling of Water: Physical or Chemical Change? Justify
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

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.

Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

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.

Why is a short RNA primer needed for replication?
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

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.

Decoding Acid Formulas: From Phosphoric to Sulfurous - Chemistry Insig
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

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.

Textbook Solutions (0)

Top Selling Study Tools

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back