Point de Fonte, d'Ébullition et d'Inflammabilité

 
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Loi de Raoult ? élévation du point d?ébullition avec 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 ...

 
Détails

Numéro d´article: P3021060

Properties of matter - boiling point

Principle

Using the boiling point, substances can be accurately identified. Contaminated substances have a different boiling point than the respective pure substances. Different concentrations of a solution of the same substance have different boiling points. In this experiment the ...

 
Détails

Numéro d´article: P7150300

Properties of matter - boiling point

Benefits
  • Benefits Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible

 

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Détails

Numéro d´article: P7150301

Melting-point lowering and boiling-point elevation

Principle

Solutions have a higher boiling point and a lower melting point than the pure solvent. The shift of the melting and boiling point is based on the interaction between solvent particles and the dissolved substance. In this experiment the melting and boiling point of different ...

 
Détails

Numéro d´article: P7152400

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