Eenheden en constanten

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Last updated 7:48 PM on 9/29/26
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19 Terms

1
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getal van Avogadro

N0 = 6.022 × 1023

2
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constante van Planck

h = 6.626 × 10-34 J s

3
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gasconstante

R = 8.314 J mol-1 K-1

= 0.08205 L atm mol-1 K-1

4
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lichtsnelheid in vacuüm

c = = 2.998 × 108 ms-1

5
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lading v.h. elektron

e = 1.602 × 10-19 C

6
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referentiemassa

mref = 1.66 × 10-27 kg = 1/N0 g

7
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(relatieve) atoommassa

AM

8
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AM(H)

= 1,01

9
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AM(C)

= 12,0

10
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AM(N)

= 14,0

11
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AM(O)

= 16,0

12
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AM(F)

= 19,0

13
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dichtheid vloeibaar water

ρ = 1000 kg L-1 = 1000 g mL-1 (bij 4°C)

14
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Ångström

1 Å = 10-10 m = 0,1 nm

15
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liter

1 L = = 1 dm3 = 1 x 10-3 m3

16
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bar

1 bar = 105 Pa = 105 N m-2 = 105 kg m-1 s-2 = 105 J m-3

17
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atmosfeer

1 atm = 1.013 bar = 760 torr = 760 mm Hg

18
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calorie

1 cal = 4.184 J = 4.184 kg m2 s-2

19
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elektronvolt

1 eV = 1.602 x 10-19 J = 1.602 x 10-19 C x 1 V