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The calorific value of coal

The calorific value of coal

VC2.3.1.1

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

Experiment Instructions

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

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The calorific value of coal

Description

Components of equipment sets

Experiment Instructions

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