CHM 101: Armchair Chemistry

Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.

Understand the process of calculating formula masses for various compounds. This video breaks down the atomic masses for elements in barium bromide, dinitrogen trioxide, copper(I) sulfate, and hydrobromic acid. Master the method of summing up the masses considering atom count in each formula.

Uncover the intriguing relationship between molecular geometry and polarity in chemistry. Using CO? and CCl? as examples, learn how polar bonds can result in nonpolar molecules. Recognize the role of symmetry in determining molecular polarity.

In this chemistry tutorial learn how to calculate the molar mass of various compounds using atomic masses from the periodic table. Discover the molar mass for compounds such as Strontium Hydroxide Dinitrogen Trioxide Sodium Chlorate and Chromium(III) Oxide. A concise guide to understanding molar masses and their real-world applications.

Discover the simple yet essential method for counting the number of oxygen atoms in different molecular sets, including molecules and ions.

In this video, we classify substances as elements, compounds, or mixtures, with air and soy sauce as mixtures, iron as an element, and table salt as a compound.