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Choose the answer that has the following compounds correctly arranged with respect to acid catalyzed hydrolysis. Propose a mechanism for the following reaction. Choose an intermediate structure in the mechanism of the following reaction. Are acetals (ketals) useful in organic synthesis? The acetal, frontalin, is used as a phermone by both elephants and the southern pine beetle. Draw the C=O compound that produces the acetal frontalin. ???
The volume of a gas is 5.0L when the temperature is 5.0C. If the temperature is increased to 10.0C without changing the pressure what is the new volume?
A solution is made from ethanol, C2H5OH, and water is 1.60 m in ethanol. How many grams of C2H5OH are contained per 230. g of water?
when filled with water (d=1.00 g/cm 3) the flask and it contents weigh 518.3 g. what is the flask's volume?
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl5(g) ? PCl3(g) + Cl2(g) At 250° 0.375 M PCl5 is added to the flask. If Kc = 1.80, what are the equilibrium concentrations of each gas?
A solution is prepared by combining .025 mole CaCl2 and .015 mol Pb (NO3)2 and adding water to make 1L of solution. Will a precipitate of PbCl2 form in this solution
Consider a solution that contains 73.0% R isomer and 27.0% S isomer. If the observed specific rotation of the mixture is -87.0°, what is the specific rotation of the pure R isomer
benefits of using a more favorable direction of the reaction for a routine enzyme activity assay
Which of the following strong electrolytic solutions will have the highest electrical conductivity?
In a first order decomposition in which the rate constant is 0.00830 sec-1, how long will it take (in minutes) until 0.309 mol/L of the compound is left, if there was 0.517 mol/L at the start
Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the titration, the pH of solution was recorded at 7.64. What is the value of Kb for the unknown base?
Desalination of brackish water is achieved by evaporation. A fraction of feed water is sent through an evaporator and the other is bypassed. The fraction bypassed and the pure water leaving the evaporator are mixed together to give the desalinasie..
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
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