A heavy-duty cell has an emf of 1.5 V. While it…

ChemistryMediumHigh School (11–12)Electrochemistry › Galvanic Cells, Electrode Potential and the Nernst Equation A-Level AP IB

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A heavy-duty cell has an emf of $1.5\ \text{V}$ . While it supplies $3\ \text{A}$ , a voltmeter across its terminals reads $0.9\ \text{V}$ . What is the resistance inside the cell?

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← The standard potentials are E°(Co²⁺/Co) = -0.28 V and E°(Ag⁺/Ag) = +0.80 V. What is the standard emf of the cell Co(s) mid Co²⁺(aq) ∥ Ag⁺(aq) mid Ag(s)?A cell reaction is first written as A(s) + B²⁺(aq) → A²⁺(aq) + B(s). Then every coefficient is doubled. What happens to E°cell and to Δ G°? →

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