CHEM 116: Principles of Chemistry II

School: Washington State University

Number of Notes and Study Guides Available: 0

Videos

Moles of H in Samples: H?O, NH?, N?H?, C??H??

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Discover how to calculate the number of moles of hydrogen in different chemical samples, including H?O, NH?, N?H?, and C??H??.

Determining Base Concentration Using KHP: Indicator Choice Solution

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Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.

Calculating Percent Composition: Using Molecular Formulas & Atomic Mas

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Understand the process of calculating percent composition using the molecular formula. Grasp the methodology with compounds like C2H4O2, CH2O2, and more. Discover how atomic masses influence the mass percent of elements in various compounds.

Chemical Formulas: CaI?, N?O?, SiO?, ZnCl? for Atom Ratios

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Unlock the world of chemical formulas and their atom ratios. Learn to write compounds like CaI?, N?O?, SiO?, and ZnCl? in this chemistry tutorial.

Converting Various Units: Weight, Time, Height, and Volume

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This video focuses on unit conversions and the practical use of conversion factors to translate quantities between different units. It provides clear examples of converting 70 kilograms to pounds, translating 14 billion years into seconds, changing the height of a basketball player from feet and inches to meters, and converting cubic meters to liters, illustrating the importance of this skill in various scientific and everyday scenarios.

Drawing Lewis Structures for Potassium, Barium, Aluminum, and Bromine

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We explore Lewis structures, which depict atom bonding and lone electron pairs. We create Lewis structures for potassium, barium, aluminum, and bromine by using group numbers in the periodic table to determine their valence electrons.