Define the terms germicide and bacteriostat. Briefly define polarizability. Define the term protective agent used in chemistry. What does the symbol (aq) mean? What does a slash (/) mean in chemistry? Is water an element, a compound, or a mixture? Explain. ...
Explain what is meant by the term amphoteric. Give an example of a compound that fits the explanation. Define the term electrolyte cell. Define the term ionization suppressor used in chemistry. What does it mean to say that the ions of an electrolyte behave independently of one another when ...
What are amphoteric compounds? Why do chemical properties depend on electrons? What properties of water make it an ideal medium for aquatic life? What are uses of carboxylic acids? How do the electrons help in predicting the chemical properties of elements? What are the two properties of light...
What do the terms hydrophobic and hydrophilic mean? What does polarity mean? Explain in detail. Al2O3 is amphoteric. What does this mean? Define the term decant. Define the term secondary carbon. Trans-stilbene is a solid whereas cis-stilbene is a liquid. What might be a reason for this...
What does the term synthesis mean in chemistry? Define the term distillate. Define what is Saturated compounds? Explain the meaning of Allotropes. What is meant by normal boiling point? What is reversed phase chromatography ? Explain what is meant by the term amphoteric. Give an example of a...
What is the pH of a 3.0 molar solution? What is lymphedema? What does it mean if its dilute? What is defeasance? What is substantia nigra? What is infundibulum? What is the tonicity of vinegar, corn syrup, and distilled water?
What does the term chemical shift mean? What are the symmetry elements for: ? Explain the periodic and group trends seen in the lifetimes (inert/labile) for exchange of water molecules in aqua complexes of the s and d block metals. What scientific definition do we give to the term chemistr...
Al3+ and Zn2+ ions are amphoteric. What does this mean? Which of the following bases is the weakest? Explain your answer. a. (CH3)2NH, Kb = 5.1 x 10-4 b. ClO-, Kb = 2.9 x 10-7 c. SO42-, Kb = 8.3 x 10-13 Is CsOH classified as a strong acid, weak acid, str...
Explain why cations in aqueous solutions are attracted to the oxygens of water molecules and why anions are attracted to the hydrogens of water molecules. Why is CH_3OH amphoteric? What is the most important criterion for completing a successful recrystallization? What is the importance of benzen...