How are excess sulfuric acid and the excess methanol
How are excess sulfuric acid and the excess methanol removed from the crude ester after the reaction has been completed? Why was 5% NaHCO3 used in the extraction? What would happen if 5% NaOH had been used?
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Consider an infinite solenoid of radius R, n turns per unit length, and current I. Calculate the final cinetic moment of each of the cylinders
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A 2750 ml sample of 3 M HCl solution is treated with 4.66gm of magnesium. Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged.
A light spring-gun projectile launcher is mounted on an 0.393 kg air track glider. What is the speed of the air-track glider after the gun is fired
How are excess sulfuric acid and the excess methanol removed from the crude ester after the reaction has been completed. Why was 5% NaHCO3 used in the extraction. What would happen if 5% NaOH had been used
Early in 2014, Labrador changed depreciation methods for its plant assets from the double declining-balance to the straight-line method. The affected assets were purchased at the beginning of 2012 for $200,000, had no residual value, and had us
A ball of mass 0.30 kg is fired with velocity 160 m/s into the barrel of a spring gun of mass 2.5 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
A real image 1.5 cm high is 18.0 cm from a thin lens. The image is on the opposite side of the lens, 32.2 cm from the object. How big is the image
A sample of 0.836 gm of unknown compound containing barium ions ( Ba2+) is dissolved in water and treated with an excess of Na2SO4. If the mass of BaSo4 precipitate formed 0.7403 gm, What is the percent by mass of Ba in the original unknown compou
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