Combustion of Cellulose Nitrate (Guncotton)
Comparing the Specific Heat of Metals II
Endothermic Reactions of Barium Hydroxide and Ammonium Salts
Explosive Decomposition of Nitrogen Triiodide
Explosive Reaction of Hydrogen and Oxygen
Comparison of Specific Heat of Metals I
Decomposition of Ammonium Dichromate
Evaporation as an Endothermic Process
Evaporation of Ether is Endothermic
Explosions of Lycopodium and Other Powders
Reaction of Calcium Oxide and Water
Reaction of Potassium Permanganate and Glycerine
Spontaneous Combustion of White Phosphorus
Reactions of Metals and Hydrochloric Acid
Heat of Neutralization
Description: Equal quantities of six molar solutions of HCl & NaOH are mixed. The change in temperature is measured with a large read-out digital thermometer.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page: 15
Keywords: HCl, NaOH, Digital thermometer, Neutralization
Ratings:
Hazard: Some
- Inhalation hazard
- Skin corrosion hazard
- Corrosive to metals
- Acute toxicity hazard
- Aquatic toxicity hazard
- Electric shock hazard
Effectiveness: Average
- Secondary observations
- Good connection from demo to course material
- Time to results is low
- High reliability
Difficulty: Medium
- Simple procedures
- Simple manipulations for most to perform
- Demos in which remote display is required
- Some intermediate steps to results
Safety Precautions:
- Hot gloves required
- Eye protection required
- Lab coat recommended
- Absorbent material on hand
- Sodium bicarbonate on hand
- UL approved three-prong plug and outlet
- Chemically resistant surface required
- Perform in a well-ventilated area
- Avoid inhalation of fumes or vapors
- Prevent release of reagents to the environment
Class: Thermochemistry, Acids and Bases. Neutralization
Division: General
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