PreparED Study Materials
CHEM 101: CHEM 101
School: Virginia Commonwealth University
Number of Notes and Study Guides Available: 1
Notes
Videos
Mastering Unit Conversions: From Light-Years to Feet/sec
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Learn how to convert between various units of measurement, ranging from cosmic distances to everyday lengths. The video takes viewers through the process of translating light-years into miles, yards into centimeters, and incredibly high speeds from cm/s to feet per second. Simplifying complex conversions, this guide offers clarity in the world of physics.
Determining the Equilibrium Constant: Initial & Final Concentrations
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Explore the method to determine the equilibrium constant for a reaction between iron III ions and thiocyanate ions. Learn to deduce equilibrium concentrations from initial values and reaction stoichiometry. Grasp the importance of the equilibrium constant value of 325.1 in assessing the reaction's favorability.
Reaction Unveiled: From Nitrogen Dioxide & Hydrogen to Ammonia & Water
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Explore the intriguing reaction of gaseous Nitrogen Dioxide and Hydrogen, resulting in the formation of Ammonia and Water. Grasp the significance of balanced chemical equations in respecting the law of conservation of mass. Dive into the properties and characteristics of each involved compound.
Understanding Microwaves: Boiling Water's Time and Photon Count
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This video breaks down the process of calculating the time and number of photons required to boil water in a microwave. Using given power, wavelength, and water specifics, we determine both energy needs and photon count.
Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH
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Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.
Calculating Silver Density from Weight and Water Displacement
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Learn how to find the density of silver using weight and water displacement. A step-by-step guide to a common laboratory technique.