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2026 season is open · National Exam · April 10–19, 2026 · see the timeline →

Tag: Electrochemistry

  • USNCO Electrochemistry: Cell Notation and Nernst Sign Checks

    A cell-notation and Nernst clinic for USNCO electrochemistry revision: read the diagram left to right, assign anode and cathode without reversing them, build Q from the balanced cell reaction, and run a four-point sign check before you commit to a final voltage.