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Hess’s law - Digital

Hess’s law - Digital

LC3.3.2.3C

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

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Hess’s law - Digital

Description

Components of equipment sets

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