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3D render image of Hoffmann Voltmeter with Elect Glass:Hofmann voltameter is an apparatus for electrolyzing water, invented by August Wilhelm von Hofmann (1818–1892).[1] It consists of three joined upright cylinders, usually glass. The inner cylinder is open at the top to allow addition of...
السمات:
hoffmann voltmeter electrolyzing water instrument electrochemical coulometer |
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Vector generated Image of PH Indicator Paper:pH is a measure of the acidity or basicity of a solution. It is defined as the cologarithm of the activity of dissolved hydrogen ions (H+). Hydrogen ion activity coefficients cannot be measured experimentally, so they are based on theoretical...
السمات:
pH indicator pH Indicator Paper |
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Vector Generated Image of Bohr atomic structure:The Bohr model is a primitive model of the hydrogen atom. As a theory, it can be derived as a first-order approximation of the hydrogen atom using the broader and much more accurate quantum mechanics, and thus may be considered to be an obsolete...
السمات:
Bohr atomic strucutre Neil bohr atomic experiment |
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