Fluids, gasses and heat • 13 Specific heat
Specific heat apparatus Comprised by a vertical plate with grooves for three metal weights and for mounting a wax plate. The weights are made of aluminium, bismuth and zinc respectively and have the same weight. During the experiment the weights are heated to the same temperature and placed in the grooves above the wax plate. Due to differences in the specific heat of the diffe- rent metals the weights will melt to different depths. Includes three weights and 5 wax plates (2730.05).
2730.05 Specific heat apparatus
Spare wax plates For use with 2730.05 2730.01 Spare wax plates (10 pcs.)
Cylinders
Specific heat capacity specimens, set of three metal cylinders made of bismuth, brass and aluminium. Weight respectively 200 g, 200 g, and 100 g. Diameter: 25 mm.
2725.10 Cylinders 2725.10
Calorimeter, aluminium Diameter 70 mm, height 90 mm. Outer vessel separately heat insulated by means of plastic cones.
2740.00 Calorimeter, aluminium
Stirrer for calorimeter Made of nickel plated brass 2740.05 Stirrer for calorimeter
Joule’s apparatus
For the determination of the specific heat capacity of liquid by the electrical method. Used together with calorimeter no. 2740.00. The resistance of the two constantan coils are 2 x 2.5 Ω. Lid made of Plexiglas with a hole for the thermometer.
2740.10 Joule’s apparatus
Immersion heater Used with insulated cups 2745.00 for confirmation of Joules law. The plastic lid has a centre hole for a thermometer. A 2.2 Ω heating element is connected to two 4 mm safety jacks. Diameter: 65 mm. Height: 75 mm.
2745.10 Immersion heater
Insulated cups These thermal cups (25/package) are useful for experiments with specific heat. Fits cups no. 2745.10. Height: 85 mm. Upper diameter: 75 mm. Volume: 180 mL.
2745.00 Insulated cups 2745.10 2745.00 2740.10 2740.00 2740.05 2730.05
2730.01
Passion for Science
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