Chemistry, 21.12.2020 14:00 skatingflower
250 ml of nitrogen takes 30 sec and 300 ml of unknown gas takes 45 sec to diffuse through a porous membrane under similar condition. Determine the relative density of unknown gas.
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Using data from seismic waves, geologists have learned that earth’s interior is made up of several
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The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Ill give u brainliest pls how is mass of carbon conserved during cellular respiration
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Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?
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250 ml of nitrogen takes 30 sec and 300 ml of unknown gas takes 45 sec to diffuse through a porous m...
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