PreparED Study Materials
CHEM 151: General Chemistry I
School: Stanly Community College
Number of Notes and Study Guides Available: 1
Notes
Videos
Calculating Percent Error: Insights into Experiment Accuracy & Refinem
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the importance of calculating percent error to assess the precision of experiments. Through real-world examples like measuring alcohol's density and the mass of gold, learn how this value offers insights into measurement accuracy and ways to refine methods.
Ranking WO? Rb?SO? Pb(C?H?O?)? RbI by Decreasing Formula Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the method to rank compounds like Tungsten Dioxide Rubidium Sulfate Lead Acetate and Rubidium Iodide based on their formula masses. Learn about the significance and calculation of a compound's formula mass. Conclude with an ordered list from heaviest to lightest based on our calculations
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.
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.
H-Cl Bond Energy Explained: ?H Signs Formation & Breakage Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the concept of bond energy with the H-Cl bond as a prime example. Delve into the energy dynamics of bond breaking (endothermic positive ?H) versus bond formation (exothermic negative ?H). Understand how the magnitude remains consistent but signs differ based on energy absorption or release.
Chemical Combo: How N2 and F2 Produce Nitrogen Trifluoride Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the chemical combination of nitrogen and fluorine to produce nitrogen trifluoride. Learn how to determine the limiting reactant and calculate the theoretical yield using stoichiometry principles.