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🔋 能斯特方程计算器Nernst Equation Calculator
按能斯特方程 E = E° − (RT/nF)·ln Q 计算非标准条件下的电极电势或电池电动势，可直接输入反应商 Q，或输入氧化态、还原态的浓度。Calculate an electrode or cell potential under non-standard conditions with the Nernst equation, E = E° − (RT/nF)·ln Q, from the reaction quotient Q or from the oxidised and reduced concentrations.
使用说明与常见问题How-to & FAQ
「能斯特方程计算器」是什么？What is the Nernst Equation Calculator tool?
按能斯特方程 E = E° − (RT/nF)·ln Q 计算非标准条件下的电极电势或电池电动势，可直接输入反应商 Q，或输入氧化态、还原态的浓度。Calculate an electrode or cell potential under non-standard conditions with the Nernst equation, E = E° − (RT/nF)·ln Q, from the reaction quotient Q or from the oxidised and reduced concentrations.
如何使用「能斯特方程计算器」？How do I use the Nernst Equation Calculator tool?
在「能斯特方程计算器」中，填写「标准电势 E°（V）」、「转移电子数 n」、「温度 °C」、「反应商」、「反应商 Q」等参数，结果会随输入实时计算并显示在下方。In the Nernst Equation Calculator: Fill in "Standard potential E° (V)", "Electrons transferred n", "Temperature °C", "Reaction quotient", "Reaction quotient Q"; results are recalculated instantly as you type.
能斯特方程是什么？What is the Nernst equation?
E = E° − (RT ÷ nF) ln Q。R = 8.314462618 J/(mol·K)，F = 96485.33212 C/mol（2019 年 SI 精确值），T 为开尔文温度，Q 为反应商（产物活度积 ÷ 反应物活度积）。E = E° − (RT ÷ nF) ln Q, with R = 8.314462618 J/(mol·K), F = 96485.33212 C/mol (exact in the 2019 SI), T in kelvin and Q the reaction quotient (product activities ÷ reactant activities).
默认例子是什么？What is the default example?
丹尼尔电池 Zn | Zn²⁺ ‖ Cu²⁺ | Cu，E° = 1.10 V，n = 2，Q = [Zn²⁺]/[Cu²⁺] = 0.01，E ≈ 1.159 V。The Daniell cell Zn | Zn²⁺ ‖ Cu²⁺ | Cu: E° = 1.10 V, n = 2 and Q = [Zn²⁺]/[Cu²⁺] = 0.01, giving E ≈ 1.159 V.
浓度能代替活度吗？Can concentrations stand in for activities?
稀溶液中近似可以；浓溶液里离子间作用明显，用浓度会有偏差。Roughly, for dilute solutions; in concentrated solutions ion interactions make concentrations a poor substitute.
计算结果可以用于作业或工程吗？Can I use the results for homework or engineering?
「能斯特方程计算器」使用教科书标准公式（公式写在说明和常见问题中），适合学习和估算核对；涉及安全的工程设计请以规范和实测为准。The Nernst Equation Calculator uses standard textbook formulas (given in the description and FAQ), which is good for learning and checking estimates; for safety-critical engineering follow codes and measured values.
「能斯特方程计算器」免费吗？需要注册吗？Is the Nernst Equation Calculator free? Do I need an account?
「能斯特方程计算器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Nernst Equation Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.