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Please provide a complete mechanism (using arrows and lone pairs) for the synthesis of 2-ethyl-2,4,5-trimethyl-1,3-dioxolane using 2-butanone and 2,3-butanediol in an acidic environment (H2SO4).
Iodine-131 is a radioactive isotope. After 7.00 days, 54.7% of a sample of 131I remains.
Molecular formula of C10H14. The carbon NMR shows 7 carbon peaks and 4 H peaks. H(4) broad multiplet at 7.0, H(3) singlet at 1.4, H(1) multiplet at 1.2, and H(6) doublet at 1.0. Has strong UV absorbance at 260nm
How many moles of oxygen are in a compressed cylinder that has a volume of 8.00 L at a pressure of 41.0 atm and at 25 degrees celcius?
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
What is the molecularity of the following elementary reaction? NH2Cl(aq) + OH¯(aq) -> NHCl¯(aq) + H2O(l)
acetic anhydride C4H603 to form aspirin C9H8O4 and acetic acid CH3C00H. What mass of acetic anhydride did the student use? What is the limiting reactant?
Calculate the value of Delta G for the process- AgCl (s) Ag+(aq) + Cl-(aq) to yield a saturated solution at 298 K.
A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.
what is the phase of matter of the solute and solvent of sterling silver?
In the neutralization reaction between sulfuric acid and potassium hydroxide, how much potassium sulfate can be produced if you have 150.0g of sulfuric acid to begin with.
Running a TLC of Unknown Compound X using eluent hexane:ethyl acetate 4:1. The Rf of the unknown is too close to the baseline. What should I do?
what simple test would you use to identify the possible presence of HCl (aq)? what result do you expect if the solution is HCl (aq)?
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