Molecular Mass Cylinder & Pump - Microscale Science


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Molecular Mass Cylinder & Pump
GAS-500

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This rigid cylinder filled with air can be evacuated using the included syringe pump. The fittings allow the evacuated cylinder to be filled with various gases. If the cylinder is weighed on a centigram balance before and after each filling, then the molecular mass of a gas can be obtained. Typical results include 0.13 g Helium; .99 g air; 1.50 g Carbon Dioxide. Instructions included.

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Watch the nipple expand as the gas comes out of solution. Amazing to see! Great for teaching Henry’s Law of Partial Pressures.

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Microscale Vacuum Apparatus

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What will happen when a large balloon filled with air is connected to a smaller balloon filled with half as much air?