Chemistry 2e

# Key Equations

Chemistry 2eKey Equations
• $Ecell°=Ecathode°−Eanode°Ecell°=Ecathode°−Eanode°$
• $Ecell°=RTnFlnKEcell°=RTnFlnK$
• $Ecell°=0.0257 VnlnK=0.0592 VnlogK(at 298.15K)Ecell°=0.0257 VnlnK=0.0592 VnlogK(at 298.15K)$
• $Ecell=Ecell°−RTnFlnQ(Nernst equation)Ecell=Ecell°−RTnFlnQ(Nernst equation)$
• $Ecell°−0.0592 VnlogQ(at 298.15K)Ecell°−0.0592 VnlogQ(at 298.15K)$
• ΔG = −nFEcell
• $ΔG°=−nFEcell°ΔG°=−nFEcell°$
• $wele=wmax=−nFEcellwele=wmax=−nFEcell$
• Q = I $××$ t = n $××$ F