Yes, toluene/water combination would be a good binary solvent system for a mixed recrystallization.
Because toluene is a fairly nonpolar chemical and water is polar, they will not dissolve together, making the combination of toluene and water an excellent binary solvent system.
<h3>What is mixed recrystallization?</h3>
- The substance to be crystallized is first dissolved in the smallest quantity of hot "soluble solvent," and then hot "insoluble solvent" is added dropwise until the solution becomes faintly hazy.
- This is how mixed recrystallization happens.
<h3>What is binary solvent?</h3>
- When synthesizing pharmaceuticals and drug precursors, binary solvent mixtures are employed as carriers in HPLC columns.
- For accurate and effective separation of the necessary pharmaceutical components, it is essential to precisely manage the mixture's composition.
- Water-based solutions of ethanol, sugar, and salt.
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The answer is: political action committees.
Political action committees are created in order to help a certain government representative to fund all the things that support their effort in obtaining support from their target demographic. Often times, political action committees would be backed by organizations who would benefit in a certain way if the government representative secured the position.
<span>The term that describes the emotional tone of a personal relationship is "communication climate".
</span>A Communication climate alludes to the tone of the relationship as communicated by the verbal and non-verbal messages between individuals. The correspondence atmosphere is made by the way individuals feel about each other.Positive communication climate is made when individuals feel they are esteemed and a negative communication climate is made when the commitment of people isn't valued.
the answer to question 5 could be transport.
the answer to question 8 is most likely to preserve the union. i'm not too sure about 6 and 7. if there was a word bank or something i could be more help :)
The Englightenment brought independant thought and the philosophy of sovereignty.
Answer: A
