PreparED Study Materials

CHEM 127: General Chemistry 1

School: University of North Carolina - Charlotte

Number of Notes and Study Guides Available: 7

Notes

Videos

Shapes & Forces: How Molecule Structure Affects Bonds
Stars

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

Add to cart

Unveil the correlation between molecular shapes and their respective intermolecular forces. Delve into the specifics of nitrogen trichloride, ammonia, silane, and carbon tetrachloride, highlighting their unique force interactions based on polarity.

Calculate oxygen molar concentration in water at 25°C with a partial p
Stars

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

Add to cart

This video explores molar concentration (molarity) and demonstrates the calculation of oxygen's molar concentration in water at 25°C, considering a partial pressure of 0.22 atm by employing Henry's Law and the given Henry's Law constant for oxygen, revealing that under these conditions, there are 2.86 x 10?? moles of oxygen per liter of water, highlighting the significance of understanding these concepts for managing gas dissolution in liquids across varying circumstances.

Calculating the Mass of CCl4: Using Density and Volume Insights
Stars

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

Add to cart

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.

Chromium Oxides: Acidity Comparison in Water
Stars

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

Add to cart

Compare the acidity of chromium trioxide (CrO?) and chromium (II) oxide (CrO) in water. Chromium trioxide forms strong chromic acid increasing hydronium ions, while chromium (II) oxide has weaker oxidizing properties, resulting in a less acidic solution.

What is the expected ground-state electron configuration for Te²??
Stars

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

Add to cart

Join us in this illuminating video as we unravel the expected ground-state electron configuration for Te²?. We dive into the world of chemistry to explain the electron structure of this fascinating ion. Whether you're a student, a chemistry enthusiast, or simply curious about the periodic table, this video provides a clear and comprehensive breakdown of the electron configuration for Te²?. Discover the secrets of electron arrangement and explore the intriguing properties of tellurium in its doub

What makes bubbles when water boils?
Stars

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

Add to cart

When water boils, bubbles rise to the surface, but what's in these bubbles? Let's evaluate the options. Option d, water vapor, is correct; the bubbles during boiling are primarily composed of water vapor, the gaseous state of water.

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