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In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reaction that produced it.
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
if 100L of hydrogen gas at 20 atm and 259 k reacts with excess nitrogen,how many liters of NH3 at 500 k and 1 atm will form
Design a series of reactions to convert ethanol to 2-butanol. You can use other inorganic reagents you need
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
a 175.0g sample of a compound contains 56.15g C, 9.43g H, 74.81g O, 13.11g N, and 21.49g Na. What is the compound's empirical formula?
determine the specific heat capacity of a metal that has a mas of 14 grams. As the metal cools from 400 degrees celcius to 200 degrees celcius, 364 joules of heat is released
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
What is the mole ratio of benzene to n-octane in the vapor above a solution of 20.0% benzene and 80% n-octane by mass at 25C? The vapor pressures of n-octane and benzene at 25 c are 11 torr and 95 torr, respectively
Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)
A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 44.6 torr at 36°C)
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
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