如何计算Electrochem Series
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Electrochemical series ranks metals by reducing ability; used to predict spontaneity of redox reactions and corrosion susceptibility.
分步指南
- 1Input two half-reactions
- 2Look up standard reduction potentials
- 3Calculate cell potential: E°_cell = E°_cathode - E°_anode
例题解析
输入
Zn + Cu²⁺: E° = 0.76 - (-0.76) = 1.52 V (spontaneous)
结果
Opposite reaction non-spontaneous (unless forced)
常见错误注意事项
- ✕Confusing oxidation and reduction half-reactions
- ✕Using wrong sign convention
常见问题
What's the relationship to corrosion?
Metal higher in series (more negative) acts as anode, corrodes preferentially.
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