Explain the fact that acetic acid can be extracted
Explain the fact that acetic acid can be extracted quantitatively from an ether solution by dilute sodium hydroxide solution. write chemical equations for any reactions involved.
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One thousand kilograms per hour of a mixture containing equal parts by mass of methanol and water is distilled. Product streams leave the top and the bottom of the distillation column.
Determine the required minimum rotor diameter if the unit is to produce 1 MW. What rotor diameter is needed if the wind energy conversion is 38%? Use an average temperature of 15 C.
On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 3.7 times as far as he would have on earth, given the same initial velocities on both planets.
The age of any remains from a once-living organism can be determined by radiocarbon dating, a procedure that works by determining the concentration of radioactive 14C in the remains.
Determine the velocity of the water at the inlet and outlet when the mass flow rate through the pump is 0.5 kg/s. Will these velocities change significantly if the inlet temperature is raised to 40 degree Celsius?
The skater tosses a coin horizontally over her shoulder straight behind her. The coin leaves her hand at 5 m/s (relative to the hand). What is the speed of the coin as viewed by a person standing still on ice?
A hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the following hydrocarbon: C 8 H 18 . What is the percentages of carbon and hydrogen separately?
The mass of platinum is 21.4 x 103 kg/m3. A platinum wire with a radius of 0.500mm, 1.20 m long fixed at both ends has a frequency of vibration for its third harmonic equal to 512hz. What is the tension in the wire.
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Based on the findings presented by Swathi and Reddy (2016), the authors highlight that the teaching profession is characterized by high levels of stress
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