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The composition of dry air is approximately 78% nitrogen, 21% oxygen and 1% other gases. What is the partial pressure of oxygen at standard atmospheric pressure (1.00 atm)?
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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The composition of dry air is approximately 78% nitrogen, 21% oxygen and 1% other gases. What is the...
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