14H+ +Cr2O7 2- +6Fe2+ -------------6Fe3+ +7H2O + 2Cr3+
E=1.33-0.771+0.0592/6*Lg(0.1(14)*0.1*0.1(6) /(10-5)6*(10-5)2 ) =0.746V
△rG=-ZEF=-0.746*6*96500=-432.2KJ/mol
大学普通化学,计算电池电动势和电池反应的△rG
14H+ +Cr2O7 2- +6Fe2+ -------------6Fe3+ +7H2O + 2Cr3+
E=1.33-0.771+0.0592/6*Lg(0.1(14)*0.1*0.1(6) /(10-5)6*(10-5)2 ) =0.746V
△rG=-ZEF=-0.746*6*96500=-432.2KJ/mol