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The degradation of some condensation polymers by water is referred to as hydrolysis. Using poly(delta-decalactone) as an example, draw a proposed mechanism for the acid catalyzed hydrolysis of this polyester. Attached is the of the structure of poly(delta-decalactone)
What is the net ionic equation of the reaction of \rm ZnCl_2 with \rm NaOH
Actually, the density of air decreases as the altitude decreases, halving roughly every 5.8 km. At what approximate altitude will it reach about 10-6 atm
A sample of S8(g) is placed in an otherwise empty rigid container at 1325 K at an initial pressure of 1.00 atm, where it decomposes to S2(g) by the reaction S8(g) 4S2(g) At equilibrium, the partial pressure of S8 is 0.25 atm. Calculate Kp for th..
The rate constants of a reversible procedure at equilibrium were measured to be 100 M/s for the forward direction as well as 2.3 M/s for the reverse direction. Explain what is the equilibrium constant for the reaction at this temperature
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.200 M NH4Cl solution.
The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 535 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
Using the values from Appendix C, calculate the value of change H degrees for each of the following reactions
A gas sample containing 1.35 mol at 25°C exerts a pressure of 405 torr. Some gas is added to the same container, and the temperature is increased to 50.°C. If the pressure increases to 800. torr, how many moles of gas were added to the container?
A colored complex of unknown sample solution exhibits 23% transmission through 1-cm long cuvette. A 1/1 dilution solution exhibits a transmission of 47.8%. The transmission from the blank solution is 96%. Calculate the molar absorptivity of the co..
Suppose that each sphere represents 6.7×1021 molecules and that the volume of the container is 1.0 L. What is the rate constant for the reaction in the usual units?
In the ground state of the Hydrogen atom the energy of the electron is E0 = -13.61 eV. What is the energy of the electron in the ground state of the He+ ion
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added?
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