Kinetics- Medicine Cabinet Kinetics

Medicine Cabinet Kinetics

Description: Alka Seltzer® reacts faster with hot water than with cold water.

Source: Summerlin, L.R., Ealy J.L. Chemical Demonstrations: A Sourcebook for Teachers: 2nd Edition

Year: 1988  Vol: 1   Page: 100

Keywords: Alka Seltzer®, Temperature, Reaction rate, Gas, Kinetics

Rating:

Hazard: Low

  • No toxic chemicals in use
  • Electric shock hazard
  • Scalding hazard

Effectiveness: Average

  • Results are observable with guidance
  • Mild effects are seen by audience
  • Somewhat connected to course material
  • Time to results is medium
  • Contrast in systems behavior is small

Difficulty: Medium

  • Reaction or demos at non-standard conditions
  • Procedures with some intermediate steps to results
  • Simple manipulations for most to perform
  • Demos in which a display is used

Safety Precautions:

  • Eye protection required
  • Gloves required
  • Use of UL approved three-prong plug and outlet
  • Absorbent materials on hand

Class: Kinetics

Division: General