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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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Why is the structure of molecule important to its function?
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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In the process of cellular respiration, humans create carbon dioxide, water, and energy in the form...
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