How might slow the reaction down
When synthesizing epoxy resin, amines are used as the curing agent. Amines react rather quickly with epoxy groups. How might you slow the reaction down? How might you speed it up?
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Phenylacetic acid (C6H5CH2COOH, simplified here to HPAc) builds up in the blood of persons with phenylketonuria, an inherited disorder that, if untreated causes mental retardation and death. A study of the acid shows that the pH of 0.12M HPAc is 2
The loaded cab of an elevator has a mass of 3.0 103 kg and moves 218 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab?
Explain collective bargaining and its use in correctional agencies. Why were/are correctional administrators concerned by it? Do you think it is good that correctional employees have collective bargaining? Why, or why not?
An 854-kg (1887 lb) dragster, starting from rest, attains a speed of 27.1 m/s (60.7 mph) in 0.59 s. Find the average acceleration of the dragster during this time interval.
When 125 g of copper reacts with 34 g of oxygen gas to form copper (II) oxide, no copper or oxygen is left over. How much copper (II) oxide is produced?
A penny of mass 3.1 g rests on a small 20 g block supported by a spinning disk. The coefficients of friction between the block and the disk are 0.75 (static) and 0.64 (kinetic) while those for the penny and the block are 0.520 (static) and 0.450
How much force must you exert to keep the pole motionless in a horizontal position?
New Orleans's Mt. Sinai Hospital is a large, private, 600-bed facility complete with laboratories, operating rooms, and X-ray equipment. In seeking to increase revenues, Mt. Sinai's administration has decided to make a 90-bed addition on a por
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