CHEM 111: General Chemistry I

Discover the precise KOH volumes to neutralize H?SO? samples with various concentrations. Learn about the acid-base reaction dynamics and stoichiometry.

Explore the captivating branches of philosophy, understanding ethics as our moral guide, aesthetics as the interpreter of beauty, and logic as the foundation for clear reasoning. Delight in the insights these disciplines offer, enhancing our perspectives on life, art, and thought.

In this video we explore the process of calculating the weight percent of barium potassium and chlorine in a mixed sample of barium chloride dihydrate and potassium chloride. Through a step-by-step approach we examine the changes in sample weight after heating to 160°C breaking down the calculations for each elemental content.

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 explanation delves into the phenomenon where the reaction rate decreases over time due to the decrease in reactant concentration, resulting in fewer successful collisions and reactions, without revealing specific examples or findings.

Learn how to create Lewis structures for various molecules and assign charges where needed. Understand the molecular connectivity and electron distribution.