Summary
Samenvatting Labrekenen periode 1 leerjaar 1 bonustoets
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- Institution
Samenvatting voor de bonustoets van het vak labrekenen in het eerste jaar van de laboratorium opleidingen van de HAN in Nijmegen.
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Samenvatting lab rekenen blok 1Hoofdstuk 1 Rekenen in de chemie
Naam Symbool Waarde Naam Symbool Waarde
Pico p 10-12 Deca da 101
Nano n 10-9 Hecto h 102
Micro µ 10-6 Kilo k 103
Mili m 10-3 Mega M 106
Centi c 10-2 Giga G 109
Deci e 10-1 Tetra T 1012
- 1 liter = 1 dm3
- 1 ml = 1 cm3
- ‘Tientallen en tienden worden in decimalen geschreven de rest altijd in wetenschappelijke notatie’
o 10p ∙ 10q = 10p + q
10𝑝
o = 10p – q
10𝑞
o a∙10p ∙ b∙10q = a∙b 10p + q
𝑎∙10𝑝 𝑎
o = 𝑏∙10p – q
𝑏∙10𝑞
- Bij x en :-> het minst aantal significante cijfers (totaalaantal cijfers)
- Bij + en - -> het minst aantal decimalen (aantal cijfers achter ‘,/.’)
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