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:
C
Census officials have worked to let people know that they can complete the census by phone and mail, in addition to making new laws to protect privacy.
Explanation:
The actions of the people towards previous census shows their misgivings about it especially with regards to the manhours wasted as well as, the privacy of their information which they supplied to the various offices.<em> </em>
<em>In-order to overcome this challenges, the Census official developed methods of taking those information through e-mail,phone call etc. And, also, they assured the people of the protection of data which they supplied to them</em>.
Complete question: Guillermo spends some time each day applying the principles of structuralism to examine his own conscious experience as carefully as possible. Guillermo is engaged in ________.
A. client-centered therapy
B. introspection
C. psychoanalysis
D. behaviorism
Answer: (B) Introspection
Explanation: Introspection refers to the evaluation of one's own conscious thoughts or feelings. Introspection requires utmost observation of one's mental state, while it is regarded as examination of one's soul in spiritual context.
However, introspection helps to determine varying forms of mental states, which include sensory, emotional, bodily, cognitive state, and e.t.c.
The eu discovered that the growth of imports is causing workers to lose jobs is the situation that encouraged the european union to put tariffs on imports. the correct option among all the options given in the question is option
B)
because these imports were having direct impact on the lives of the people living in those countries.
It was because the lack of food and because the lack of the voyage money they went to a voyage and they came back with very little money and so that is why they had to drop the prices
