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Thermochemistry and calorimetry
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The calorific value of coal

VC2.3.1.1
The calorific value of coal
The calorific value of coal

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Description

In experiment C2.3.1.1, coal is burned and the heat of combustion is determined with a calorimeter. The calorimeter completely surrounds the sides and top of the combustion chamber. The hot combustion gases generated are fed through a double glass coil and give off their energy to the environment (the glass element and the bath liquid) in the form of heat. In this way, the heat of combustion can be determined using the total heat capacity of the calorimeter.

Components of equipment sets

1 666429 Calorimeter for solids and liquids, CPS LD
1 6668191 Stirring top, with GL 32 screw th LD
1 666428  4  Panel frame C100, two-level, for CPS LD
2 6664660  4  Adhesive magnetic board CPS, 300 mm LD
4 6664664  8  Holder, magnetic, size 4, 27...29 mm LD
4 664800  8  Gas scrubber bottle, lower section, 200 ml LD
4 664805  8  Glass tube insert, ST 29/32 LD
4 665392  4  Joint clip plastic, ST 29/32 LD
3 667312  8  Glass connector, 2 x GL 18 LD
1 301312  8  Console LD
1 72621  8  Equipment platform, 350 mm LD
1 521231  8  Low-voltage power supply 3/6/9/12 V LD
1 524013  8  Sensor-CASSY 2 LD
1 524220  4  CASSY Lab 2 LD
1 5240673  4  NiCr-Ni adapter S, type K LD
1 529676  4  Temperature probe, NiCr-Ni, 1.5 mm, type K LD
3 667312  8  Glass connector, 2 x GL 18 LD
1 667183  4  Rubber tubing Ø 8 mm, t = 2 mm, l = 1m LD
1 604510  4  Tubing connector, 4...15 mm LD
1 667197  4  Silicone tubing, 4 mm diam., 1 m LD
1 521536  4  DC Power Supply 2 x 0...16 V/2 x 0...5 A LD
3 500421  4  Connecting lead 19 A, 50 cm, red LD
3 500422  4  Connecting lead 19 A, 50 cm, blue LD
1 ADAHCB602H Precision Balance, 600 g /0,01g, with USB interface LD
1 ADAHCB3001  4  Precision Balance, 3000 g / 0,1 g LD
1 667092  4  Mortar 30 ml, 56 mm x 36 mm LD
1 608360  4  Pestle, 54 mm long LD
1 660998  4  Minican pressurised gas canister, oxygen LD
GHS03GHS04 Danger H270 H280
1 660980  4  Fine regulating valve for minican gas canisters LD
1 6749340 Anthracite coal, pieces, 100 g LD
1 6738420  4  Sodium hydroxide solution, 1 mol/l, 500 ml LD
GHS05 Danger H314 H290
1 6747850  4  Sulfuric acid, 95-98 %, 250 ml LD
GHS05 Danger H314 H290
1 6610821 Stopcock grease LD
1 additionally required:
PC with Windows XP/Vista/7/8/10/11 (x86 or x64)
1 additionally required: small screwdriver (cross)

Experiment Instructions

YouTube-Video YouTube-Video The new chemistry presentation system CPSflex
PDF (Experiment description) PDF (Experiment description) C2.3.1.1 The calorific value of coal
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