What is the meaning of bioavailability of a drug? What is meant by solvation? What does polarity mean in electronics? What is the definition of diffusion? What is a definition for diffusion? Can you explain what leaching is? What is recrystallization in organic chemistry?
What is an emulsifier? Describe quenching, in regards to fluorimetry. What is the catalyst of N_2(g)+3H_2(g) \leftrightharpoons 2NH_3(g)? What is the purpose of recrystallization? What are some of the techniques by which mixtures can be resolved into their components?
This lesson discusses what a solubility curve is, how to read it, what the units are, and the definitions of saturated, unsaturated, and supersaturated solutions. Explore our homework questions and answers library Search Browse Browse by subject ...
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...
disagreement on any subject that matters to both is regarded as a tragedy. Like ties of kinship, ties of friendship are meant to be irrevocably binding. Young Germans who come to the United States have great difficulty in establishing such friendships with Americans. We view friendship more ...
What is osmotic equilibrium? What are hygroscopic salts? What is high osmotic pressure? What type of solvent is water? What is recrystallization? What is the Kf of water? What is a hypertonic solution? What is the freezing point of alcohol?
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What is meant by the "endpoint" of a titration? (1) Why is it advisable to prepare a slightly more concentrated solution of when preparing its standard solution? (2) What will happen if is used to standardized the Why should you...
Let us assume an analytical technique which involves the identification of the chemical substances by sorting gaseous ions in the electrical and magnetic field according to their mass to charge ratios. Such a technique is said to be mass spectrometry....
What is the purpose of an emulsifier? There are two types of quenching. What are they? What are their advantages, respectively? When the two types of quenching are applied, which one is first? Why? What is the purpose of the recrystallization process? What is a desiccator? What is its ...