Thermodynamics- Dissolution of a Binary Mixture

Dissolution of a Binary Mixture

Description: A mixture of triethylamine and water in a tube has a consulate temperature of 18 degrees Celsius. At room temperature, it is a binary solution. Cooling the tube in an ice bath causes the two liquids to become miscible.

Source: Hyuk Yu

Year: 1992   Vol: N/A  Page: N/A

Keywords: Triethylamine, Water, Binary, Miscible

Ratings:

Hazard: Medium

  • Flammability hazard
  • Acute toxicity – oral, respiratory, dermal
  • Skin corrosion hazard
  • Serious eye damage
  • Acute aquatic hazard

Effectiveness: Average

  • Good connection from demo to course material
  • Results are observable without guidance
  • Mild effects are seen by audience
  • Time to results is high
  • Good reliability

Difficulty: Medium

  • Use of toxic reagents
  • Requires precise temperature control
  • Some timed manipulations

Safety Precautions:

  • Eye protection required
  • Gloves required
  • Perform in well-ventilated area
  • Absorbent materials on hand
  • ABC fire  extinguisher on hand
  • Avoid exposure to reagents

Class: Thermodynamics

Division: Physical Chemistry