An electrochemical cell was constructed from snsn2 and
An electrochemical cell was constructed from Sn/Sn2+ and Pb/Pb2+ with KNO3 as the salt bridge. The concentrations were Sn2+ =1.0M and Pb2+ = 0.1M.
Sn2+ + Pb --> Sn + Pb2+
Is the above reaction spontaneous under the conditions given? Explain.
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what is happening to the observed cell potential, Ecell and E0Cell as Zn2+ increases and Cu2+ decreases?
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A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
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