47:
1175:
754:
747:
740:
763:
1150:
692:
946:
942:
1145:
978:
1219:
500:. Until about 1970, the most reliable value of the Faraday constant was determined by a related method of electro-dissolving silver metal in
1092:
1214:
1199:
785:
1031:
616:
475:
calculations. One can divide the amount of charge (the current integrated over time) by the
Faraday constant in order to find the
1155:
1098:
1056:
497:
844:
830:
1125:
1001:
971:
1204:
224:", that is, the electric charge of one mole of elementary carriers (e.g., protons). It is named after the English
1160:
1046:
187:
1209:
1178:
1115:
964:
338:
The
Faraday constant can be thought of as the conversion factor between the mole (used in chemistry) and the
232:
811:
606:
929:
732:
654:. NIST Special Publication 330. Gaithersburg, Maryland: National Institute of Standards and Technology.
493:
411:
elementary charges per coulomb, the
Faraday constant is given by the quotient of these two quantities:
1071:
821:
476:
206:
179:
342:(used in physics and in practical electrical measurements), and is therefore of particular use in
1224:
1061:
925:
919:
840:
815:
663:
611:
153:
536:, but is sometimes used in electrochemistry. One faraday of charge is the charge of one mole of
1140:
795:
771:
537:
529:
240:
221:
167:
46:
721:
1130:
1120:
1066:
854:
850:
836:
704:
655:
343:
235:, the Faraday constant has an exactly defined value, the product of the elementary charge (
1041:
1036:
987:
915:
910:
899:
869:
801:
791:
501:
228:
171:
51:
680:
1135:
1006:
218:
120:
649:
1193:
1076:
860:
667:
1051:
1011:
905:
895:
875:
826:
781:
472:
85:
1026:
889:
880:
621:
586:
214:
17:
885:
865:
659:
708:
225:
533:
339:
210:
74:
489:
695:(1976). "Status of the Faraday constant as an analytical standard".
1021:
956:
602:
582:
31:
960:
736:
492:
deposited in an electrochemical reaction, in which a measured
528:
Related to the
Faraday constant is the "faraday", a unit of
488:
was first determined in the 1800s by weighing the amount of
27:
Physical constant: Electric charge of one mole of electrons
479:
of a substance (in moles) that has been electrolyzed.
764:
Scientists whose names are used in physical constants
1151:
Institute of
Physics Michael Faraday Medal and Prize
1108:
1085:
994:
943:
List of scientists whose names are used as SI units
770:
119:
96:
83:
73:
59:
39:
540:(or of negative one mole of electrons), that is,
1146:Royal Society of London Michael Faraday Prize
972:
748:
471:One common use of the Faraday constant is in
8:
581:The faraday is not to be confused with the
979:
965:
957:
755:
741:
733:
532:. Its use is much less common than of the
496:was passed for a measured time, and using
45:
648:Newell, David B.; Tiesinga, Eite (2019).
367:entities per mole, and there are exactly
643:
641:
639:
637:
681:NIST Introduction to physical constants
633:
651:The International System of Units (SI)
217:(C/mol). As such, it represents the "
36:
170:defined as the quotient of the total
7:
1093:Royal Institution Christmas Lectures
516:23.061 kcal per volt–gram-equivalent
513:96.485 kJ per volt–gram-equivalent
25:
786:Newtonian constant of gravitation
574:Conversely, the Faraday constant
1174:
1173:
1156:Faraday Medal (electrochemistry)
1099:The Chemical History of a Candle
723:Foundations of Physics, Volume 2
166:, sometimes stylized as ℱ) is a
725:, by R. S. Gambhir, 1993, p. 51
190:in any given sample of matter:
1032:Faraday's laws of electrolysis
617:Faraday's laws of electrolysis
1:
1126:Faraday Building (Manchester)
1057:Faraday's ice pail experiment
498:Faraday's law of electrolysis
1220:Units of amount of substance
591:1 farad = 1 coulomb / 1 volt
346:. Because there are exactly
578:equals 1 faraday per mole.
1241:
1215:Units of electrical charge
1002:Faraday's law of induction
697:Pure and Applied Chemistry
524:Faraday – a unit of charge
188:elementary charge carriers
29:
1169:
1161:Faraday Lectureship Prize
1047:Faraday-efficiency effect
939:
845:Stefan–Boltzmann constant
831:Stefan–Boltzmann constant
54:, the constant's namesake
44:
1200:Electrochemical concepts
1179:Category:Michael Faraday
1116:Michael Faraday Memorial
660:10.6028/nist.sp.330-2019
250:, in reciprocal moles):
79:coulomb per mole (C/mol)
30:Not to be confused with
709:10.1351/pac197645020125
585:, an unrelated unit of
239:, in coulombs) and the
233:2019 revision of the SI
812:Johann Josef Loschmidt
607:electrical capacitance
930:von Klitzing constant
822:Johann Jakob Balmer
464:10 C⋅mol
326:10 C⋅mol
205:it is expressed in
145:10 C⋅mol
1205:Physical constants
1062:Faraday efficiency
926:Klaus von Klitzing
920:Josephson constant
841:Boltzmann constant
816:Loschmidt constant
612:Faraday efficiency
538:elementary charges
508:Other common units
154:physical chemistry
87:SI base units
1187:
1186:
1141:IET Faraday Medal
954:
953:
796:Avogadro constant
530:electrical charge
241:Avogadro constant
222:elementary charge
168:physical constant
150:
149:
16:(Redirected from
1232:
1177:
1176:
1131:Faraday (crater)
1121:Faraday Building
1067:Electrochemistry
1017:Faraday constant
981:
974:
967:
958:
855:Rydberg constant
851:Johannes Rydberg
837:Ludwig Boltzmann
806:Faraday constant
757:
750:
743:
734:
727:
719:
713:
712:
689:
683:
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672:
671:
645:
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366:
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344:electrochemistry
328:
327:
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313:
310:
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269:
204:
165:
158:Faraday constant
146:
144:
141:
138:
135:
132:
129:
115:
100:other quantities
98:Derivations from
88:
69:
49:
40:Faraday constant
37:
21:
18:Faraday (charge)
1240:
1239:
1235:
1234:
1233:
1231:
1230:
1229:
1210:Michael Faraday
1190:
1189:
1188:
1183:
1165:
1104:
1081:
1042:Faraday rotator
1037:Faraday paradox
990:
988:Michael Faraday
985:
955:
950:
935:
916:Brian Josephson
911:Douglas Hartree
900:Hubble constant
870:Planck constant
802:Michael Faraday
792:Amedeo Avogadro
773:
766:
761:
731:
730:
720:
716:
691:
690:
686:
679:
675:
647:
646:
635:
630:
599:
590:
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563:
560:
557:
554:
551:
549:
526:
510:
502:perchloric acid
483:
477:chemical amount
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229:Michael Faraday
191:
172:electric charge
161:
142:
139:
136:
133:
130:
127:
125:
114:
104:
101:
99:
86:
65:
62:
55:
52:Michael Faraday
35:
28:
23:
22:
15:
12:
11:
5:
1238:
1236:
1228:
1227:
1222:
1217:
1212:
1207:
1202:
1192:
1191:
1185:
1184:
1182:
1181:
1170:
1167:
1166:
1164:
1163:
1158:
1153:
1148:
1143:
1138:
1136:Faraday Future
1133:
1128:
1123:
1118:
1112:
1110:
1106:
1105:
1103:
1102:
1095:
1089:
1087:
1083:
1082:
1080:
1079:
1074:
1069:
1064:
1059:
1054:
1049:
1044:
1039:
1034:
1029:
1024:
1019:
1014:
1009:
1007:Faraday effect
1004:
998:
996:
992:
991:
986:
984:
983:
976:
969:
961:
952:
951:
940:
937:
936:
934:
933:
923:
913:
908:
903:
893:
883:
878:
873:
863:
858:
848:
834:
824:
819:
809:
799:
789:
778:
776:
768:
767:
762:
760:
759:
752:
745:
737:
729:
728:
714:
703:(2): 125–130.
684:
673:
632:
631:
629:
626:
625:
624:
619:
614:
609:
605:, the unit of
598:
595:
572:
571:
525:
522:
521:
520:
519:26.801 A·h/mol
517:
514:
509:
506:
469:
468:
427:
350:
335:
332:
331:
330:
302:
270:
266:
247:
148:
147:
123:
117:
116:
112:
102:
97:
94:
93:
90:
81:
80:
77:
71:
70:
63:
61:Common symbols
60:
57:
56:
50:
42:
41:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1237:
1226:
1223:
1221:
1218:
1216:
1213:
1211:
1208:
1206:
1203:
1201:
1198:
1197:
1195:
1180:
1172:
1171:
1168:
1162:
1159:
1157:
1154:
1152:
1149:
1147:
1144:
1142:
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1137:
1134:
1132:
1129:
1127:
1124:
1122:
1119:
1117:
1114:
1113:
1111:
1107:
1101:
1100:
1096:
1094:
1091:
1090:
1088:
1084:
1078:
1077:Line of force
1075:
1073:
1070:
1068:
1065:
1063:
1060:
1058:
1055:
1053:
1050:
1048:
1045:
1043:
1040:
1038:
1035:
1033:
1030:
1028:
1025:
1023:
1020:
1018:
1015:
1013:
1010:
1008:
1005:
1003:
1000:
999:
997:
993:
989:
982:
977:
975:
970:
968:
963:
962:
959:
949:
948:
944:
938:
931:
927:
924:
921:
917:
914:
912:
909:
907:
904:
901:
897:
894:
891:
887:
884:
882:
879:
877:
874:
871:
867:
864:
862:
861:J. J. Thomson
859:
856:
852:
849:
846:
842:
838:
835:
832:
828:
825:
823:
820:
817:
813:
810:
807:
803:
800:
797:
793:
790:
787:
783:
780:
779:
777:
775:
769:
765:
758:
753:
751:
746:
744:
739:
738:
735:
726:
724:
718:
715:
710:
706:
702:
698:
694:
688:
685:
682:
677:
674:
669:
665:
661:
657:
653:
652:
644:
642:
640:
638:
634:
627:
623:
620:
618:
615:
613:
610:
608:
604:
601:
600:
596:
594:
588:
584:
579:
577:
547:
543:
542:
541:
539:
535:
531:
523:
518:
515:
512:
511:
507:
505:
503:
499:
495:
491:
486:
482:The value of
480:
478:
474:
438:
426:
418:
414:
413:
412:
381:
349:
345:
341:
333:
303:
271:
265:
261:
257:
253:
252:
251:
246:
242:
238:
234:
230:
227:
223:
220:
216:
212:
208:
202:
198:
194:
189:
185:
181:
177:
173:
169:
164:
159:
155:
124:
122:
118:
111:
107:
103:
95:
91:
89:
82:
78:
76:
72:
68:
64:
58:
53:
48:
43:
38:
33:
19:
1097:
1072:Faraday disc
1052:Faraday wave
1016:
1012:Faraday cage
947:non SI units
941:
906:Hugo Tetrode
896:Edwin Hubble
876:Wilhelm Wien
827:Josef Stefan
805:
782:Isaac Newton
722:
717:
700:
696:
687:
676:
650:
580:
575:
573:
545:
544:1 faraday =
527:
484:
481:
473:electrolysis
470:
436:
424:
416:
379:
347:
337:
263:
259:
255:
244:
236:
231:. Since the
200:
196:
192:
183:
175:
162:
157:
151:
109:
105:
75:SI unit
66:
1027:Faraday cup
890:Bohr radius
881:Otto Sackur
622:Faraday cup
587:capacitance
299:10 mol
1194:Categories
886:Niels Bohr
866:Max Planck
628:References
548:Ă— 1 mol =
334:Derivation
305: =
273: =
1225:Quotients
774:constants
772:Physical
668:242934226
569:10 C
285:10 C
226:scientist
178:) by the
1086:Lectures
597:See also
211:coulombs
160:(symbol
1109:Related
995:Physics
534:coulomb
494:current
441:
421:
408:
388:
384:
370:
340:coulomb
92:sâ‹…Aâ‹…mol
666:
490:silver
180:amount
156:, the
1022:Farad
693:IUPAC
664:S2CID
603:Farad
583:farad
550:9.648
445:9.648
398:1.602
355:6.022
307:9.648
289:6.022
275:1.602
219:molar
207:units
186:) of
126:9.648
121:Value
32:farad
945:and
215:mole
213:per
705:doi
656:doi
593:).
561:001
558:331
555:212
552:533
456:001
453:331
450:212
447:533
403:634
400:176
357:140
318:001
315:331
312:212
309:533
291:140
280:634
277:176
209:of
152:In
137:001
134:331
131:212
128:533
84:In
1196::
843:,
701:45
699:.
662:.
636:^
564:84
504:.
459:84
443:=
435:1/
419:=
391:10
386:=
365:10
360:76
353:=
321:84
294:76
287:Ă—
262:Ă—
258:=
195:=
140:84
110:eN
108:=
980:e
973:t
966:v
932:)
928:(
922:)
918:(
902:)
898:(
892:)
888:(
872:)
868:(
857:)
853:(
847:)
839:(
833:)
829:(
818:)
814:(
808:)
804:(
798:)
794:(
788:)
784:(
756:e
749:t
742:v
711:.
707::
670:.
658::
589:(
576:F
567:Ă—
546:F
485:F
467:.
462:Ă—
437:e
432:/
428:A
425:N
417:F
394:/
380:e
376:/
373:1
363:Ă—
351:A
348:N
329:.
324:Ă—
297:Ă—
283:Ă—
267:A
264:N
260:e
256:F
248:A
245:N
243:(
237:e
203:;
201:n
199:/
197:q
193:F
184:n
182:(
176:q
174:(
163:F
143:Ă—
113:A
106:F
67:F
34:.
20:)
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