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 666819 Stirring top, with GL 32 screw thread LD
1 666428  8  Panel frame C100, two-level, for CPS LD
2 6664660 Adhesive magnetic board, 300 mm LD
4 6664664 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
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  4  Sensor-CASSY 2 LD
1 524220  4  CASSY Lab 2 LD
1 5240673  8  NiCr-Ni adapter S, type K LD
1 529676  8  Temperature probe, NiCr-Ni, 1.5 mm, type K LD
3 667312  8  Glass connector, 2 x GL 18 LD
1 667183  8  Rubber tubing, 1 m x 8 mm diam., DIN 12865 LD
1 604510 Tubing connector, 4...15 mm LD
1 667197  8  Silicone tubing, 4 mm diam., 1 m LD
1 521536 DC Power Supply 2 x 0...16 V/2 x 0...5 A LD
3 50145  8  Connecting lead, 19 A, 50 cm, red/blue, pair LD
1 6677977  8  Electronic Balance 440-3N, 200 g : 0.01 g LD
1 ADAHCB3001  8  Precision Balance, 3000 g / 0,1 g LD
1 667092  8  Mortar porcelain 70 mm Ø LD
1 608360 Pestle, 54 mm long LD
1 660998 Minican pressurised gas canister, oxygen LD
1 660980  8  Fine regulating valve for minican gas canisters LD
1 6749340  4  Anthracite coal, pieces, 100 g LD
1 6738420  4  Sodium hydroxide solution, 1 mol/l, 500 ml LD
1 6747850  4  Sulfuric acid, 95-98 %, 250 ml LD
1 661082  8  Stopcock grease, 60 g LD
1 additionally required: PC with Windows 7 or higher

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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