What went wrong in a column chromatography
What went wrong in a column chromatography of a 50:50 mixture of acetylferrocene + ferrocene, if the recovery percentage values for each compund recovered (acetylferrocene and ferrocene) are above 100% after the chromatography is done?
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A Solution of hexane and heptane at 30.0C with a mole fraction of .305 has a vapor pressure of 95.0 torr and a vapor-phase hexane mole fraction of .555.
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A spring is hanging vertically from a ceiling. (Assume the spring's mass is negligbile). I hang a 0.5kg mass on the spring and let the spring slowly stretch to an euilibrium position. Then the spring's potential energy is 4J. What will its potenti
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A series of solutions were prepared, each containing exactly one mole of water (MW 18.015) and varying amounts of acetone (MW 58.081) at 20°C.
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