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Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
Calculate the amount of heat required to completely sublime 19.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
Assuming the earth is a perfect sphere with a radius of 6371 km and an atmosphere that extends from the surface to an altitude of 20 km determine the number of metric tons of the elements/compounds+
Calculate the pressure that CCl4 gas will exert at 40 degrees celsius if 1.00 mol occupies 28.0 L, assuming that A. CCl4 obeys the ideal-gas law
Mercury has a density of 13.6 g per mL. A barometer holding 9.50mL of mercury has broken. The cost of mercury disposal is based on mass. How many kilograms of mercury were in the barometer?
A graduated cylinder contains 31.0 of water. What is the new water level after 38.0 of silver metal is submerged in the water?
A mixture of N2 and O2 gases are in a 2.0L container at 23 degrees C and at a total pressure of 1.00 atm.
Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
Based on understanding of enthalpy, what is the sign of dH for the binding of Cu2+ to soil. Explain.
warmed then 125 microliters of unknown xylene and 10 mg detergent were refluxed for 45 minutes. Then we added sodium bisulfite until the purple color was gone for one step. What is the role of sodium bisulfite in such a procedure?
Assuming an Sn1 reaction mechanism, predict the major organic product(s) of (s)-3,3-dimethy-2-butanol reacted with HCl.
Which of the following is a homogeneous mixture? Which of the following represents a chemical change, rather than a physical change? Which of the following pairs of symbol & element is incorrect?
What would you expect to see in a reaction between salicylic acid and ferric chloride, and why
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