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Dimedone synthesis via Michael Addition reaction to determine keto/enol ratio of the synthesisized product.
Calculate the keto/enol equilibrium constant from the integrated areas of the two signals on the NMR spectrum.
Account for the splitting pattern of the 1H NMR spectrum and explain the types of protons by considering chemical shifts and integration
Use NMR data to identify keto and enol signals and decide if one of them predominates
Also, draw structures of byproducts that might form if water got into the system during the first step of the synthesis
What types of crystals are formed by the following solid elements and compounds: BF3 BN (NH4)CO3? In each case, state the types of forces among the particles
you dissolve 650.0 g of sugar c12h22o11 in 726 ml of water. the density of wat is 1.00 gml.a. calculate the molarity of
Barium fluoride has a Ksp of 1.0X10^-6. What is the barium ion concentration in a saturated solution where the fluoride concentration is 0.035M? Please show the steps needed to reach the end.
What is the total hardness in mg/l as CaCO3. what is the total alkalinity in mg/l as CaCO3. what is the phenolphthalien alkalinity in mg/l as CaCO3. Calculate the total dissolved solids in mg/l. what is the ionic strength of water
Why is it that hex-1-ene, (Z)-hex-2-ene, and (E)-hex-2-ene are considered to have a high boiling point?
The decomposition of N2O to N2 and O2 is a first- order reaction. At 730°C the half-life of the reaction is 3.58 X10^3 min. If the initial pressure of N2O is 2.10 atm at 730°C, calculate the total gas pressure after one half-life.
What transitional metal might be suitable to manufacture indestructible spectacle frames: Explain your choice.
Consider the following reaction: CO(g)+2H2(g)-->CH3OH(g) Kp=2.26*10^4 at 25 degrees C. Calculate deltaGrxn under each of the following conditions- At STP, at Equilibrium, and when PCH3OH=1.1 atm, and pCO=pH2=1.3*10^-2 atm.
An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound
You titrate 1.740 g of a solid unknown acid that was dissolved in 100.0 mL of distilled water; the initial pH value was 2.5. You found that pH= pKa=4.2 when 12.50 mL of NaOH was added. The concentration of the sodium hydroxide was 0.500M. Calculat..
A 2.983 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution. To this solution was added 1.910 grams of KI and 50.00 mL of a 0.00894 M KIO3 solution. The excess I3..
what volume of ethylene glycol, a nonelectrolyte, must be added to 15.0 Liters of water to produce an antifreeze solution with a freezing point of - 30 degrees celcius? what is the boiling point of the solution?
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