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.
Then calculate the annual cost to operate a 60-W, 75-W, and 100-W incandescent bulb and a 15-W compact fluorescent bulb. Assuming the average household operates six 60-W, four 75-W.
How many moles of N2 are dissolved in 5.00L of water if the water is in equilibrium with air at 5.84 atm (approximately the hydrostatic pressure at a depth of 50m) at 37°C?
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
Determine the magnitude of the average emf induced in the triangle ABC during the 6.0 s period after the rod has passed point.
If air is composed of 21% oxygen and 79% nitrogen at 1 bar could be separated into its pure components, each at 1 bar and the same temperature. what is the entropy change per mole of air?
Accounting for the variation of specific heats,according to temperature determine the air temperature at the compressor exit, the back work ratio and the thermal efficiency.
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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Even though are coastlines are very vulnerable to multiple climate change impacts, the good news is that because most of our urban settlements
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Q1. Explain how the Code of the Suburbs differs from the Code of the Street? Q2. Explain your general thoughts on the book.