PreparED Study Materials
CHEM 6970: CHEM 6970
School: Tennessee Tech University
Number of Notes and Study Guides Available: 3
Notes
Videos
Comparing Viscosity: Why C5H11OH is 12x Thicker than C6H14 at 20°C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intriguing contrast between Pentanol and Hexane's viscosity at 20 degrees Celsius. Uncover how molecular interactions influence a liquid's 'thickness' and discover why similar molecular weights can lead to vastly different substance properties
Chromium Oxides: Acidity Comparison in Water
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Compare the acidity of chromium trioxide (CrO?) and chromium (II) oxide (CrO) in water. Chromium trioxide forms strong chromic acid increasing hydronium ions, while chromium (II) oxide has weaker oxidizing properties, resulting in a less acidic solution.
Element Classification: Rep, Trans, Inner-Trans, Noble Gases
Want To Learn More? To watch the entire video and ALL of the videos in the series:
We categorize elements into representative, transition, inner-transition, and noble gases based on their positions in the periodic table and general characteristics, without revealing specific element classifications.
Determining Base Concentration Using KHP: Indicator Choice Solution
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Mastering Ionic and Net Ionic Equations for Varied Chemical Reactions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
pAg in KI & AgNO3 Titration: Exploring 39mL & 44.30mL Volumes
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Exploring the titration of 25.00 mL of 0.08230 M KI with 0.05110 M AgNO3. This video breaks down the calculation process for the potential of silver ion at various volumes of added AgNO3: 39.00 mL equivalence point and 44.30 mL. With clear steps and using the solubility product constant understand how the potential of silver ion is determined for each scenario.