https://wiki.guldforum.se/w/index.php?action=history&feed=atom&title=Redoxpotential
Redoxpotential - Versionshistorik
2026-10-28T01:01:52Z
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https://wiki.guldforum.se/w/index.php?title=Redoxpotential&diff=12405&oldid=prev
Dan Olsson den 2 mars 2013 kl. 13.19
2013-03-02T13:19:48Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Versionen från 2 mars 2013 kl. 09.19</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Fysikalisk kemi]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Fysikalisk kemi]]</div></td></tr>
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Dan Olsson
https://wiki.guldforum.se/w/index.php?title=Redoxpotential&diff=6107&oldid=prev
Dan Olsson: 1 version
2013-02-24T09:42:21Z
<p>1 version</p>
<p><b>Ny sida</b></p><div>'''Redoxpotential''' (reduktion-oxidation potential), [[elektrisk potential]] (mätt i [[volt]]) som mäter en [[substans]] [[affinitet]] per [[elektron]]er (det vill säga [[energi]] som frigörs när [[förening]]en bildas eller splittras dividerat per elektron). Om ett ämne [[oxidation|oxideras]] så finns ett ämne som också [[reduktion|reduceras]], och vice versa, därav namnet.<br />
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Man utgår vanligtvis från [[väte]], som har redoxpotentialen 0 (noll). En substans som har större [[elektronegativitet]] än väte har ''positiv redoxpotential'' och är mer benägen att genomgå oxidation. Substanser med lägre elektronegativitet än väte har ''negativ redoxpotential'' och är mer benägna till reduktion.<br />
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När elektroner far "neråt" i en [[redoxreaktion]], frigörs energi som brukar betecknas (-Δ''G''), där ''G'' är [[fri energi]]. Man behöver tillföra motsvarande energi (+Δ''G'') för att vända reaktionen så att elektronerna rör sig "uppåt".<br />
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[[Kategori:Fysikalisk kemi]]<br />
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[[ar:جهد اختزال]]<br />
[[ca:Potencial de reducció]]<br />
[[cs:Redox potenciál]]<br />
[[de:Redoxpotential]]<br />
[[et:Redokspotentsiaal]]<br />
[[el:Κανονικό δυναμικό οξειδοαναγωγής]]<br />
[[en:Reduction potential]]<br />
[[es:Potencial de reducción]]<br />
[[fr:Potentiel d'oxydoréduction]]<br />
[[gl:Potencial de redución]]<br />
[[it:Potenziale di riduzione]]<br />
[[ja:酸化還元電位]]<br />
[[pl:Potencjał redoks]]<br />
[[pt:Potencial de redução]]<br />
[[ru:Окислительно-восстановительный потенциал]]<br />
[[sr:Редокс-потенцијал]]<br />
[[uk:Відновно-оксидаційний потенціал]]</div>
Dan Olsson