Punto de Fundición, Punto de Ebullición, Punto de Ignición

 
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Melting point determination

 
Detalles

Num.Producto: P1130400

Flash point and burning point

 
Detalles

Num.Producto: P1150200

Elevación del punto de ebullición

Principle

The boiling point of a solution is always higher than that of the pure solvent. The dependence of the temperature difference (elevated boiling point) on the concentration of the solute can be determined using a suitable apparatus.

Tasks

  1. Measure the increase in the boiling point of ...
 
Detalles

Num.Producto: P3021001

Boiling point elevation - Raoult's law with Cobra4

Principle

Raoult's law states: The vapour pressure of an ideal solution is directly dependent on the vapour pressure of each chemical component and the mole fraction of the component present in the solution.
That's why the boiling point of a solution is always higher than that of the pure ...

 
Detalles

Num.Producto: P3021060

Depresión del punto de congelación

Principle

The freezing point of a solution is lower than that of the pure solvent. The depression of the freezing point can be determined experimentally using a suitable apparatus (cryoscopy). If the cryoscopy constants of the solvent are known, the molecular mass of the substance ...

 
Detalles

Num.Producto: P3021101

Equilibrio de evaporación

Principle

For each temperature, a specific pressure of the gas phase of the liquid establishes itself above the liquid - the vapour pressure.  If the external pressure is lowered by drawing off the gas phase, the equilibrium re-establishes itself through evaporation of parts of the ...

 
Detalles

Num.Producto: P3030160

Diagrama de fusión de un sistema binario con Cobra3 Basic- Unit

 
Detalles

Num.Producto: P3031311

Diagrama de fusión de un sistema binario con Cobra4

Principle

In plotting the cooling curves of binary mixtures one determines the temperatures of melting and solidification of specimens with differing fractions (molar fractions) of the two components. These results are entered in a temperature versus ...

 
Detalles

Num.Producto: P3031361

Model experiments of hand warmers (Principle of latent heat storage tanks)

Principle

Sodium acetate trihydrate can form supersaturated solutions. Spontaneous crystallizing out of these leads to an increase in temperature. The change in temperature over time that occurs during this process can be experimentally examined.

 
Detalles

Num.Producto: P7200460

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