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using curved arrows to symbolize the flow of electrons, white the stepwise mechanism for the acid-catalyzed esterification of p-aminobenzoic acid to ethyl p-aminobenzoate
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
the enzyme acetylcholinesterase,which has a turnover rate of 25,000 s-1. Calculate how long it takes the enzyme to cleave one acetylcholine molecule.
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide according to the following reaction:
Determine the volume of the gas at a pressure of 150.0 kPa and a 26 degree Celsius of temperature?
sulfur dioxide was allowed to effuse through a small opening under constant pressure conditions. It required 179 s for 1.00 L of this gas to effuse. Calculate the effusion time of arsine (AsH3) under identical experimental conditions
If 66.5 ml of base is required to reach the second equivalence point, what is the concentration of the acid?
A lab bench has three one liter stoppered flasks. Flask A contains one gram of NH3 gas, flask B contains one gram of N2 gas, and flask C contains one gram of SO2 gas. All are at the same temperature.
Suppose we have a flask with a movable piston in which pressure is kept constant at 1.00atm. If an 8.00gram sample of solid ammonium nitrate is introduced into the flask what is the volume of the flask in liters at 298K when the ammonium nitrate h..
Describe your operation, its different components or stages, the materials used and the type of wastes generated. What is your waste management plan and approach for protecting the environment and human health?
Calculate the equilibrium constant KP if the total pressure is 2.6 atm at that temperature.
In an experiment, 2.50 g salicycylic acid was reacted with excess acetic anhydride to synthesize aspirin, as shown below.
corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint
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