CHEM 103: General Chemistry I

Discover the art of writing balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the nuances that differentiate between these equations and watch them applied to diverse chemical reactants.

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.

This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.

An in-depth analysis of the precision and accuracy in seam measurements by three apprentice tailors: X, Y, and Z, as they measure a pair of trousers. Understand how their measurements compare to the true length of 32.0 inches.

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.