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Write equations for the mechanism for saponification of methyl benzoate, begin with nucleophillic attack of hydroxide ion on the carbony group of the ester.
If the washes totaled 46.4 ml. how many grams of KAI(SO4)2 would be dissolved in the solution? consider the solubility begin 3.00 g/ml.
External fields (such as those generated by a laser) can couple electronic states together. By a well-chosen laser pulse, an H atom is created in an equal superposition of the 1s and 2p0 states.
The entry of Na+ provides a free-energy input of 10.8 kJ/mol under typical cellular conditions (external [Na+] = 143 mM, internal [Na+] =14 mM and a membrane potential = -50 mV). What is the ratio of glucose concentration outside and inside cells?
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges , and that there are no other bonds between the two bonds drawn with the stereo wedges.
Suppose that the reaction A---> products is exothermic and has an activation barrier of 75kJ/mol. Sketch an energy diagram showing the energy of the reaction as a function of the progress of the reaction. Draw a second energy curve showing the eff..
The heat of vaporization of water is 9.72 Kcal/mol. How much heat (in kilocalories) is required to vaporize 2.70 mol of H2O and how much heat (in kilocalories) is released when 440 grams of steam condenses
54.5 grams of ice initially at -5°C is added to 475 grams of liquid water initially at 49.5°C in a thermally insulated container. What is the temperature of the water once the contents of the container reach thermal equilibrium
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
The organic compound called aluminon is used as a reagent to test for the presence of the aluminum ion in aqueous solution
You performed A nitration reaction in 15 minutes to completion. Assume it took the entire allotted time. If we used anisole instead of methyl benzoate to run an analogous reaction, how much time would a similar nitration reaction take.
Calculate the concentrations of all species in a 1.08 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
The presence of carcon- carbon double bonds in eugenol can be tested using the bromine water test. write a balance equation for the reaction involved in this test.
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