A barometer reads 75 cm of mercury. When 2.0 cm of air at atmospheric pressure is...
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A barometer reads 75 cm of mercury. When 2.0 cm of air at atmospheric pressure is introduced into the space above the mercury level, the volume of this space becomes 50 cm . Find the length by which the mercury column descends. A barometer reads 75 cm of mercury. When 2.0 cm of air at atmospheric pressure is introduced into the space above the mercury level, the volume of this space becomes 50 cm . Find the length by which the mercury column descends.
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