Zadania z chemii IB HL

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In a molten carbonate fuel cell the mixture of hydrogen and carbon dioxide from the reaction is fed to the anode, while a mixture of oxygen and carbon dioxide is fed to the cathode. Carbonate ions, $\ce{CO3^2-}$

, move through the molten electrolyte from the…

Molten lead(II) bromide, $\ce{PbBr2(l)}$ , is electrolysed using inert electrodes. Which products form at the electrodes? A. Anode: $\ce{Br2}$ , cathode: $\ce{Pb}$ B. Anode: $\ce{O2}$ , cathode: $\ce{Pb}$ C. Anode: $\ce{Pb}$ , cathode: $\ce{Br2}$ D. Anode:…

Below is a sodium-ion cell as it discharges, supplying a current to an external circuit. The anode is sodium held in a lattice of hard carbon and the cathode is iron(III) phosphate, $\ce{FePO4}$ , which is converted to $\ce{NaFePO4}$ as the cell discharges.…