Which of the following has the largest influence on compound polarity during chromatography?
<span>D. Hydrogen bonding, since it is a strong intermolecular force </span>
<span>2. What is the proper sequence of events to follow after eluting a TLC plate? </span>
A. Dry the plate, visualize the plate, develop the plate
<span>3. Safety glasses should be worn </span>
<span>B. at ALL times in the lab, to avoid any accidents that might happen.</span>
<span>4. Disposable gloves are strongly discouraged in the laboratory because </span>
<span>A. aqueous chemicals may pass rapidly through the glove and cause harm to the skin, there are different type of gloves suitable to the substances you are working on</span>
5. If you should get any laboratory chemicals on your skin,
<span>B. wash the affected area immediately with cold water and inform your TA. </span><span> </span>
<span>6. The distribution constant </span>
<span>D. has a characteristic value for a compound in a particular solvent system. </span>
<span>7. What is the most common absorbent in column chromatography? </span>
<span>C. silica gel </span>
<span>8. A compound that moves quickly through a stationary phase will have</span>
D. A large Rf value.
<span>9. Venting a separatory funnel should be done by</span>
<span>A. inverting and then opening the stop wingspan after shaking. </span>
<span>10. Addition of salt during an extraction</span>
<span>E. improves extraction of the compound from the aqueous to the organic phase.</span>
I would say the author means that it would be impossible, or would require tech that today's tech cannot do.
science fiction, or fiction, usually means make believe or fake.
Answer:
The writing technique used in the sentence is combining facts with emotion.
Explanation:
"Should university students use Wikipedia" is an article written by Adam Coomer. The article is written to inform university students concerning the reliability of the open-source Wikipedia. The author asserts that using Wikipedia for university research work is not an ideal idea.
The articles are written by anyone regardless of their expertise in the given field or not. In the given sentence, the author has used the writing technique of combining both facts and emotion to persuade his audience of university students. Using the words such as 'discourage', 'engaging' brings an emotional tone.
The award for excellence in architectural design will go to the architect _whom_ the committee selects
Antecedent _architect_.
From the dictionary:
Antecedent: a word or phrase that a pronoun refers back to:
In the sentence "He picked a book off the shelf and handed it to Sally", "book" is the antecedent of "it
