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Harper Murphy——Studied at Stanford University, Lives in Palo Alto, CA
Fractional distillation of liquid air. You need to be able to explain how nitrogen and oxygen are obtained from the air. You will recall that about 78% of the air is nitrogen and 21% is oxygen. These two gases can be separated by fractional distillation of liquid air.read more >>+119962023-06-02 16:48:30
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