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In column chromatography portion of the Friedel-Crafts acylation of ferrocene, why is ferrocene yellow, acetylferrocene orange-red, and diacetylferrocene dark? What accounts for the color differences?
How many grams and pounds of washing soda are needed to remove the hardness from 500 gallons of water that has a hardness of 150 ppm CaCO3?
degrees celsius was added to an insulated vessel containing 50.0 g ice and 25.0 g water at 0 degrees celsius. What mass of liquid water is present in the vessel at the end?
a 25.00 ml sample of 0.100 m ch3co2h is titrated with 0.100 m naoh. what is the ph of the solution at the points where
Draw the structure of the one alkene which upon treatment with O2 followed by Zn and acid, would give rise to formaldehyde and cyclohexanone
What is the internal energy change for the gas. Give your answer in joules (J), accurate to three significant figures
a variable-volume container filled with oxygen has a volume of 1.60 l at 1.00 atm and 25 degc. what will the volume of
A solution contains 0.06054 M H3PO4 and 0.0386 M NaH2PO4. What volume of 0.05031 M NaOH is required to titrate 10.00 mL of this solution to the first end point
Lipids (fats) are esters of long chain fatty acids and glycerol. Similarly, describe the general structures of proteins and carbohydrates.
Draw the major and minor resonance structure for the carbonate ion (CO3^-2). Include any formal charges, Indicate which are the major resonance structures and why.
Refrierators are usually kept at about 5 degrees Celcius, while room temperature is about 20 degrees Celcius. If you were to take an "empty" sealed 2 liter soda bottle at room temperature and place it in the fridge, would you expect it to contract..
What is the wavelength of a photon whose frequency is 3.41*10^14 Hz? been told the correct asnwer is 880 nm however I don't know how to even start this problem
because of the slightly solubility 0.59mgl. of ba3po42 all of the ba2- and po43- do not precipitate from solution.a.
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