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Principle
The cooling rate of water in a simple glass beaker and in an insulated calorimeter are compared.
Task
How is water kept warm? Measure the cooling rate of hot water in two different vessels: in a complete calorimeter ...
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 obvio ...
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 absolut ...
A measured quantity of water is heated with a heating coil. The electrical heat output is determined. From the temperature increase and the heat energy, the specific heat capacity of water is calculated. This calculation is performed under point 6 of ...
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 h ...
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 av ...
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 ...
The temperature of a hot metal body is determined in a mixing experiment.
How can the temperature of a hot body be determined? Heat a metal body above a flame, then place it in a calorimeter filled with cold w ...
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).
Can potential energy be converted into hea ...
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.
Task ...
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 fr ...
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 volum ...
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.
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 wate ...
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.
What happens during distillation? Brin ...
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