Easy Mnemonics to Remember the Nernst Equation for Electrochemistry

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🔷 Nernst Equation:

E=E∘−0.0591/n log⁡Q

Where:

• E: Electrode potential under non-standard conditions
• E^∘: Standard electrode potential
• n: Number of electrons transferred
• Q: Reaction quotient (products/reactants)

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🔹 Mnemonic:

“Every Elegant Nerd Loves Quality Notes”

🟢 Breakdown:

• E → Electrode potential (E)
• E → Standard Electrode potential E∘E^\circ
• N → Number of electrons nn
• L → Log
• Q → Reaction Quotient QQ
• N → Nernst Equation

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🔸 Alternative Funny Mnemonic:

“Even Elephants Never Like Quiet Nights”

Also:

• E: Current electrode potential
• E°: Standard potential
• n: Electrons
• log Q: Log of quotient
• N: Nernst formula

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🔹 Visual Trick:

E = E° – (0.0591/n) log [Products / Reactants]

👉 To remember products over reactants, think:

“P goes up, E goes down”
“R goes up, E goes up”
This reminds you how the potential shifts with concentration.

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