What is meant by the term ion? What is the purpose for some lipids to be saturated and others to be unsaturated? Explain the effect on the concentration of a solution if it is "over-boiled." If phenacetin "oils out" of a solution during recrystallization, what remedial action should be ...
How are soluble impurities removed during recrystallization? Define the term "volatile" and give an example of a volatile liquid. Why can sugar dissolve in cooking oil? Describe quenching, in regards to fluorimetry. What is meant by a "spontaneous" reaction? Give some examples. ...
The terminology of solvent is explained in the form of a substance that possesses the capability to dissolve an assumed solute. This is beneficial in order to produce a solution.Answer and Explanation: The terminology solubility is elucidated as the extreme quantity of a substance that shows its ...
Seven components (E1-E7) were isolated, among which components E2, E3, E4, and E5 for their large quantity were further purified by Sephadex LH-20, PTLC, Amberlite XAD2, and recrystallization and 5 compounds were obtained and their structures were identified by IR (Nicolet impact 400), MS...
If phenacetin "oils out" of a solution during recrystallization, what remedial action should be taken? Which method for determining a halide is better? Is there any significant difference between volumetric, gravimetric and potentiometric? What are the concentrations of NO and H in a solution in ...
What is butene? What is recrystallization in organic chemistry? What is environmental chemistry? What does polar mean in biology? What is meant by the term aquaculture? Define forensic science What are lectins in biochemistry? What is forensic biochemistry?
What is recrystallization? What is bacteriology of water? What is a solvent? What is reservoir sedimentation? What is a weak electrolyte? What is high osmotic pressure? What is sedimentation in water treatment? What does chloride do in the body?
What is the definition of a eutectic point? What is quenching? Explain the meaning of Allotropes. What is the driving force of the sintering process? Explain the process of active solar home heating? What is the purpose of the recrystallization process? What is meant by the homogeneous mixture...
What is the purpose of the recrystallization process? What are the purposes of reflux? How does it differ from recycle? How does an ore differ from a mineral? Name the three general categories of procedures needed to produce pure metals from ores. Describe the purpose of each. ...
What is the difference between a diastereomer and an epimer? What is the purpose of recrystallization? What is spectrophotometry? What can nucleosynthesis do? What will happen when NO_3^- is added to BaCl_2+NH_3. What will happen when I^- is added to BaCl_2+NH_3. ...