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Peer reviewedDavies, Arthur; And Others – Australian Science Teachers Journal, 1996
Describes a project that involves determining, by coulometry, the energy output of different types and makes of 1.5-volt AA cells as a function of EMF and time. Involves measuring the volume of hydrogen gas collected at the cathode from the reduction of hydrogen ions in aqueous sulfuric acid by a current produced by the discharge of an AA battery.…
Descriptors: Chemical Analysis, Chemistry, Electric Batteries, Foreign Countries
