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Hydrogen peroxide – the same stuff you ... scale with a pipette to measure the weight of his concentrated peroxide per unit of volume, giving him the density of his concoction and thus the ...
Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements in the periodic table. The size of the atoms and their mass has a lot to do with the ...
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"That means a 20-kilogram lead-acid battery would put out the same amount of energy as a one-kilogram hydrogen peroxide fuel cell," he says, noting that other metals, such as lithium alloys, might ...