Hess’s law - Digital

LC3.3.2.3C
Hess’s law - Digital
Hess’s law - Digital

Description

Hess's law states that the sum of the enthalpy change of a reaction is the same in every reaction path. In this experiment the students study Hess's law by measuring the enthalpy change of the neutralisation of sodium hydroxide solution over 2 different reaction pathways.

Components of equipment sets

1 6753410  4 
Water, pure, 5 l LD
1 6736810  4 
Sodium hydroxide, pellets, 250 g LD
GHS05 Danger H314 H290
1 30121  8 
Stand base MF LD
1 30123  4 
Stand feet, pair LD
1 30109  4 
Bosshead S LD
2 301271  4 
Stand rod 40 cm, 10 mm Ø LD
1 666555  4 
Universal clamp 0...80 mm LD
1 6045682  4 
Powder spatula, steel, 185 mm LD
2 664154  4 
Watch glass dish 80 mm Ø LD
1 665754  4 
Measuring cylinder 100 ml, with plastic base LD
1 667017  4 
Scissors 125 mm, round-ended LD
1 661035  8 
Round filter, Type 595, 125 mm Ø, Set of 100 LD
1 664131  4 
Beaker Boro 3.3, 400 ml, squat LD
1 604298  4 
Plastic cup, set of 5 LD
1 610010  8 
Laboratory safety goggles LD
1 667609  4 
Safety gloves, nitrile rubber, size 8 LD
1 524005W2
Mobile-CASSY 2 WiFi LD
1 666194  4 
Protective sleeves for temperature probe, set of 5 LD
1 666851  4 
Stirring magnet, 25 mm x 6 mm Ø, circular LD
1 607105  8 
Magnetic stirrer mini LD
1 ADACB501  4 
Compact scale 500 g : 0.1 g LD
1 6736810  4 
Sodium hydroxide, pellets, 250 g LD
GHS05 Danger H314 H290
1 6746920  4 
Hydrochloric acid, approx. 2 mol/l, 500ml LD
GHS05 Warning H290
1 6753410  4 
Water, pure, 5 l LD
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