Système d'Expérimentation Élèves TESS

 
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We 3.6 Comment conserver l'eau chaude

Principle

The cooling rate of water in a simple glass beaker and in an insulated calorimeter are compared.

Benefits

  • Real stand material for an esecially stable and safe setup
  • Own construction of a calorimeter deepens the understanding
  • Student-suitable experiment descriptions with ...
...

 
Détails

Numéro d´article: P1043600

We 4.1 Montée en température de l'eau

Principle

Different quantities of water are heated with a heating coil in a calorimeter. The quantities of water were chosen to match the size of the calorimeter (100 ml, 150 ml, 200 ml) and are directly related to each other so that the following becomes obvious:
the greater the quantity ...

...

 
Détails

Numéro d´article: P1043700

We 4.2 Echauffement de différents liquides

Principle

The dependence of heating a liquid on its specific heat capacity should be established in this experiment. In these experiments, the liquids' masses and their thermal input are the same. Thus, the specific heat capacities obtained are not absolute, but can be given in ...

...

 
Détails

Numéro d´article: P1043800

Capacité calorifique de l'eau



Principe de l'expérience

Une quantité mesurée d'eau est chauffée avec un bobine en déterminant la production d'énergie électrique. A partir de l'augmentation de la température et de l'énergie thermique, ...

 
Détails

Numéro d´article: P1043900

We 4.4 Température de mélange

Principle

Different amounts of hot and cold water are mixed. The hot water is always poured into a calorimeter containing cold water (room temperature). This has the following advantage: the cold water defines the temperature of the calorimeter; and since the hot water is poured in, the ...

...

 
Détails

Numéro d´article: P1044000

Capacité calorifique du calorimètre

Principle

The same quantities of hot and cold water are mixed. The hot water is always poured into a calorimeter containing cold water (room temperature). The measurements are repeated three times and the calorimeter's heat capacity is then calculated as the average value of the three ...

...

 
Détails

Numéro d´article: P1044100

Chaleur massique de corps solides

Principle

Three metal bodies having the same mass are heated in boiling water and then successively placed in a calorimeter. Even from just the measured mix temperatures it is possible to make qualitative conclusions as to the size of the storage ability (heat capacity) of the metals. The ...

...

 
Détails

Numéro d´article: P1044200

We 4.7 Mesure de température calori- métrique

Principle

The temperature of a hot metal body is determined in a mixing experiment.

Benefits

  • Real stand material for an esecially stable and safe setup
  • Own construction of a calorimeter deepens the understanding
  • Student-suitable experiment descriptions with reports ...

 
Détails

Numéro d´article: P1044300

We 4.8 Transparentmation de l'energie mécanique en éner- gieinterne

Principle

In this experiment the potential energy of lead shot is first converted into kinetic energy by falling from a height and then into internal energy (whiting tube).

Benefits

  • Real stand material for an esecially stable and safe setup
  • Student-suitable experiment ...
...

 
Détails

Numéro d´article: P1044400

We 5.1 Variation de volume lors de la fusion de la glace

Principle

Ice cubes are placed on a measured volume of water and their volume determined by immersing them. After the ice has melted, the total volume is again determined and from the difference the volume change of the ice is calculated.

Benefits

  • Student-suitable experiment ...
...

 
Détails

Numéro d´article: P1044500

We 5.2 Courbes de fusion et de solidification de thiosulfa- tede sodium

Principle

The course of sodium thiosulfate's temperature during melting and subsequent freezing is measured. Moreover, it can be clearly seen that heat is necessary for the melting process: the temperature does not rise until all the salt has melted. During freezing this energy is ...

...

 
Détails

Numéro d´article: P1044600

Chaleur de fusion de l'eau

Principle

Ice cubes are placed in warm water and the specific heat of fusion of water is determined from the mix temperature. In relation, the calculations carried out in the evaluation show which mix temperature would occur in an experiment with the same volume of water at 0 °C. ...

...

 
Détails

Numéro d´article: P1044700

We 5.4 Chaleur d'évaporation de l'eau

Principle

To begin with, the course of the water's temperature during heating is measured so that the burner's thermal output can be determined. From this the quantity of energy required to vaporise a specific quantity of water can be calculated.

Benefits

  • Real stand material for an ...
...

 
Détails

Numéro d´article: P1044800

We 5.5 Chaleur de condensation de l'eau

Principle

Water vapour is conducted into a calorimeter containing cold water. From the mix temperature and the mass increase of the cold water, the specific heat of condensation of water is calculated. It is as large as the specific heat of vaporisation of water; i.e. the heat required ...

...

 
Détails

Numéro d´article: P1044900

Distillation

Principle

Coloured water is brought to a boil and the water vapour is conducted into a cooled test tube. The colour and quantity of water before and after distillation are observed.

Benefits

  • Real stand material for an esecially stable and safe setup
  • Student-suitable experiment ...
...

 
Détails

Numéro d´article: P1045000

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