CHEM 121: General Chemistry 1

Join us as we delve into the intriguing world of genetic coding and discover how the concept of wobble accounts for variations in codons encoding a single amino acid.

This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.

Learn how to determine the weight of white gas carried by a backpacker using its density. A valuable skill for hikers and campers.

Learn how to calculate the amount of Barium hydroxide, Ba(OH)?, needed to prepare a specific molar concentration. This tutorial breaks down the relationship between moles of hydroxide ions and moles of Ba(OH)?, guiding users through each step for precise results. Embrace the essence of molarity in solution preparation.

Join us as we explore the fascinating world of peptidyl transferase, one of the most conserved sequences in biology. In this video, we delve into the implications and draw intriguing conclusions from its exceptional conservation across species.

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.