If dichloromethane is swapped out and ethyl acetate is used in its place, the extracts then obtained would be highly anti-radical and would be more efficient than dichloromethane.
Since "like dissolves like," ethyl acetate is a polar molecule that works well as a solvent to extract the polar caffeine molecules from coffee beans. The ethyl acetate molecules bind to the caffeine molecules, which then move through the bean cells' cell membranes. After all, the ethanol:water (1:1) solvent combination has been demonstrated to be the best for recovering catechins and delivering extracts with the highest antiradical activity.
Dichloromethane is a volatile colourless liquid used as an organic solvent in many industries. One of its main application is that it used to extract caffeine because of its highly effective solvent nature. Because DCM is a non-polar solvent and caffeine is readily soluble in DCM, it can easily be extracted without losing its aroma.
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Answer: this stage is called Autonomous morality
Explanation:
Autonomous morality is characterized by the child's understanding that rules are made by people, for people. The child using autonomous morality is motivated by the feeling of cooperation, and tries to understand the needs, wants, and feelings of others.
Answer:
True
Explanation:
Clint Smith. A short, powerful piece from the heart, about finding the courage to speak up against ignorance and injustice.
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Answer:
heres your answer
Explanation: Slavery, as a theory, had been a commonly accepted European practice long before the exploration of the New World. Drawing on ancient Greek and Roman history, pro-slavery defenders noted that enslaving prisoners of war was an acceptable alternative to execution—once an enemy had surrendered, it was believed to be the victor’s right to claim the life of their enemy through death or enslavement. Hence, when the Portuguese slave traders started exploring the coast of Africa where it was customary for warring indigenous tribes to enslave each other, they began to buy these slaves for export to the New World colonies. Other pro-slavery advocates argued that it was their mission to convert African non-Christians (whom they referred to as “heathens”) to Christianity and that slavery allowed them to do this more effectively.
Answer:
The correct Answer is A) Trade Unionism
Explanation:
Historical development primarily refers to changes in the unfolding of history.
Trade unionism (also called organized labour) originated in the 19th century in Great Britain, continental Europe, and the United States. At that time unions and unionists were regularly prosecuted under various restraint-of-trade and conspiracy statutes in both Britain and the United States.
While union organizers in both countries faced similar obstacles, their approaches evolved quite differently: the British movement favoured political activism, which led to the formation of the Labour Party in 1906, while American unions pursued collective bargaining as a means of winning economic gains for their workers.
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