Equilibrium Between Nitrogen and Dinitrogen Tetroxide
Effect of Pressure on Melting Point of Ice
The Liquid Phase of Carbon Dioxide
Vapor Pressure of Pure Liquids
Getting Colder: Freezing-Point Depression
Getting Hotter: Boiling Point Elevation by Non-volatile Solutes
Vapor Pressure of Solutions: Raoult’s Law
Boiling Two Liquids at Room Temperature
Salting Out: Making Liquids Immiscible
Electrolysis of Potassium Iodide
Hydrogen Ion Concentration Cell
Acid-Base Properties of Amino Acids
Electrical Conductivity of Liquids and Solutions
Instrumental Recording of Titration Curve
A Visual Demonstration of Raoult’s Law
Hydrogen Ion Concentration Cell
Description: 2 beakers of 0.1M HCl acid are set up with a salt bridge and H2-platinum electrodes. The potential is measured (|volts|>0). Solid NaOH is added to one of the beakers. The potential is measured again.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Fuel cell, Acid cell, Acid/Base cell, Redox
Rating:
Hazard: Some
- Skin corrosion hazard
- Acute toxicity hazard
- Inhalation hazard
- Corrosive to metals
- Acute aquatic toxicity hazard
- Electric shock hazard
- Flammability hazard
Effectiveness: Average
- Good connection to course material
- Secondary effects are observed
- Moderate failure rate
- Time to results is medium
Difficulty: Medium
- Some sequential or timed manipulations
- Experiments in which a data recording or display are necessary
- Some intermediate steps to results
- Use of compressed gases
- Use of flammable gases
Safety Precautions:
- Eye protection required
- Gloves required
- Perform in a well-ventilated area
- Use of UL approved three-prong plug and outlet
- ABC fire extinguisher on hand
- Absorbent materials on hand
- Prevent release of reagents to the environment
Class: Electrochemistry, Redox Reactions, Potentiometry
Division: General, Physical Chemistry
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