Explain what carboxylic acid would be produced
Explain what carboxylic acid would be produced if the melodic ester synthesis were carried out with a large excess of melodic ester, one equivalent of 1,5-dibromopentane, and two equivalents of base?
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Anhydrous, hygroscopic, blue CoCl2 forms red-violetCoCl2 * x H2O on exposure to moist air. Ifthe color change is accompanied by an 83.0 % increase in mass, what is the formula of the hydrate?
Estimate the change in enthalpy for the Mg-HCl reaction using the standard enthalpies of formation. Hf for HCl (aq) = -167.2 kJ; Hf for the MgCl2(aq) = -791.2 kJ.
At the 335 K in the first-order decomposition of dinitrogen pent oxide, assume we start with a 2.50 g sample of N2O5 at 335 K and which is having the 1.50 g remaining after 109 s.
Determine the numbers of hydrogen ions are required and on which side of the equation must they appear?
A statistics teacher current adopted a new textbook. At the completion of the course, 100 randomly selected students were asked to assess the book. The results showed:
Determine the equilibrium constant for the reaction when the 1.05 moles of Br2 are put in a 0.980-L flask, 1.20 percent of the Br2 undergoes dissociation.
Determine the concentration of Cl in a saturated solution of AgCl? Estimate the solubility of AgCl in the 0.1M NaCl?
Illustrate that for every non-zero element aεGF(127), we can determine multiplicative inverse a-1 (mod 127) with no more than 12 multiplications (including squaring operations).
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