Chemistry

 
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Dependence of the reaction velocity on the temperature I(acetic acid - magnesium)

 
Details

Product-No: P1149400

Fractional petroleum distillation

 
Details

Product-No: P1149901

Explosion limits of a petrol-air mixture

 
Details

Product-No: P1150100

Cracking of hydrocarbons

 
Details

Product-No: P1150400

Alkenes: determination of molar mass and detection withBaeyer's reagent

 
Details

Product-No: P1150800

Preparation of ethylene (ethene)

 
Details

Product-No: P1151000

Electrophilic addition of bromine to acetylene (ethyne)

Principle
When bromine reacts with ethine (acetylene), the first step is the production of trans-1,2-dibromoethene. When more bromine is added, this reacts to form 1,1,2,2-tetrabromoethane. As a by-product of this reaction, cis

 
Details

Product-No: P1151400

Preparation of p-toluenesulfonic acid

 
Details

Product-No: P1152000

Production of anhydrous ethanol - density determination

 
Details

Product-No: P1152200

Aldehydes - reactions with ammonia

 
Details

Product-No: P1153000

Ester saponification

 
Details

Product-No: P1153900

Tyndall effect in macromolecules

Details

Product-No: P1170200

Properties of plastics (2): determination of the density of plastics

Details

Product-No: P1171100

Step-growth polymerisation (2): production of nylon

Principle

The reaction of sebacoyl chloride with hexamethylenediamine forms Nylon 610®. The two components are dissolved in two solvents of different density which do not mix with one another. For this reason, a reaction can take place only at the contact su ...

 
Details

Product-No: P1172100

Polyaddition (2): formation of polyurethane

Principle

The reaction of dialcohols with diisocyanates forms polyurethane. This is an example of a polyaddition reaction. The reaction releases heat which causes a foaming agent (water) to foam up the plastic that is formed.

 
Details

Product-No: P1172500

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