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1-Formulate a reaction mechanism to show how, with excess acetic anhydride ,2-methyl benzisoxazinone might be formed.(Hint: acetylation of the amino group should occur first). How many moles of acetic anhydride are consumed in this reaction?
2-Show how 2-methylbenzisoxazinone is hydrolyzed to N-acetylanthranilic acid. Why is this compound readily hydrolyzed?
A 47.0 mL sample of gas in a cylinder is warmed from 28 degrees Celsius to 91 degrees Celsius. What is the final temperature?
When 0.5000L of a 1.00M solution of Pb(NO3)2 is mixed with and excess of 1.00M solution of KI how many grams fo lead(II) iodide are formed
The solid calcium carbonate is placed in water. It reaches equilibrium and has a solubility product constant of 4.95 x 10-9. What is the concentration of calcium if the carbonate concentration
Elements, which has the largest first ionization energy and equation correctly represents the first ionization of calcium?
A solution is made by mixing 41.0 mL of ethanol, C2H6O, and 59.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C?
Determine the longest wavelenght of light required to remove an electron from a sample of potassium metal, if the binding energy for an electron in K is 1.76*10^3 kJ/mol.
How much heat energy, in kilojoules, is required to convert 74.0 g of ice at -18.0 C to water at 25.0 C ?
The latent heat of vaporization of water is 577 J/kg. If a person's body needs to lose 345 J of energy through sweating, how many kilograms of water in the form of sweat must be evaporated.
what is the color of cocl2 (aq) solution at boiling water temperature? And in which direction did the equilibrium shift upon
Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?
A microwave oven operates at 2.50GHz. What is the wavelength of the radiation
Silver has two naturally-occurring isotopes with masses of 106.905092 amu and 108.904756 amu. What are the percent abundances of each isotope, respectively?
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