Avrundade atomvikter (IUPAC 1988) Omräkningsfaktorer och konstanter

aluminiumantimonargonarsenikbariumberylliumblyborbromceriumcesiumdysprosiumerbiumeuropiumfluorforforgadoliniumgalliumgermaniumguldhafniumheliumholmiumindiumiridiumjodjärnkadmiumkalciumkaliumkiselklorkoboltkolkopparkromkryptonkvicksilverkvävelantanlitiumlutetium

AlSbArAsBaBePbBBrCeCsDyErEuFPGdGaGeAuHfHeHoInIrIFeCdCaKSiClCoCCuCrKrHgNLaLiLu

26,982121,839,9574,92

137,39,012

207,210,8179,90

140,12132,91162,5167,3151,9618,99830,974

157,269,7272,6

196,97178,5

4,0026164,93114,8192,2126,9055,85

112,4140,0839,09828,08635,45358,9312,0163,5552,0083,8

200,614,007

138,906,94

174,97

magnesiummanganmolybdennatriumneodymneonnickelniobosmiumpalladiumplatinapraseodymprotaktiniumrheniumrodiumrubidiumruteniumsamariumselensilverskandiumstrontiumsvavelsyretalliumtantaltellurtennterbiumtitantoriumtuliumuranvanadinvismutvolframvätexenonytterbiumyttriumzinkzirkonium

MgMnMoNaNdNeNiNbOsPdPtPrPaReRhRbRuSmSeAgScSrSOTlTaTeSnTbTiThTmUVBiWHXeYbYZnZr

24,30554,9495,922,990

144,220,18058,792,91

190,2106,4195,1140,91231,04186,21102,9085,47

101,1150,479,0

107,8744,95687,632,0715,999

204,38180,95127,6118,71158,9247,9

232,04168,93238,0350,942

208,98183,8

1,0079131,3173,088,90665,491,22

1 Å = 1 ångström = 10–10 m

1 l = 1 liter = 1 dm3

1 år 365,24 dygn 3,1557.107 s

1 N = 1 newton = 1 kg.m.s–2

1 J = 1 joule = N.m =1 W.s

1 Pa = 1 pascal = 1 N.m–2

1 bar = 105 N.m–2

1 atm = 760 torr = 1,01325.105 N.m–2 760 mmHg

1 l.atm 101,3 J

1 C = 1 coulomb = 1 A.s = 1 amperesekund

0°C = 273,15 K

1 calth = 1 termokemisk kalori = 4,184 J

NA= Avogadros konstant 6,0221.1023 mol–1

e = protonens laddning 1,602.10–19 A.s

F = Faradays konstant 9,6485.104 A.s.mol–1

R = allmänna gaskonstanten 8,314 J.K–1.mol–1 =

= 0,08314 l.bar.K–1.mol–1 0,08205 l.atm.K–1.mol–1

c0 = ljushastigheten i vakuum 2,998.108 m.s–1

h = Plancks konstant 6,626.10–34 J.sk = Boltzmanns konstant 1,381.10–23 J.K–1

ln x = ln 10.lg x