Personal tools
Views
Lab:Endothermic solid-solid reactions
From Learn Chemistry Wiki
| Endothermic solid-solid reactions |
|---|
| Lab overview Teacher notes (Demonstration Only) |
| About this lab |
| Duration: 5-10 mins No. of parts: 2 RSC Practical Chemistry?: Yes |
| Help |
Solid hydrated barium hydroxide is mixed with solid ammonium chloride in a beaker. An endothermic reaction takes place to produce a liquid, with the evolution of ammonia. The temperature drops dramatically to about -20 °C.
- Resources
- Student experiment; also available in PDF format
- Teacher and technician notes on the experiment; also available in PDF format
Reference
This experiment has been reproduced from Practical Chemistry: http://www.practicalchemistry.org/experiments/endothermic-solid-solid-reactions,277,EX.html
Useful resource
This weblink shows a related endothermic reaction involving barium hydroxide: http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA3/MAIN/ENDO2/PAGE1.HTM