Water, pH and Macromolecules Questions

• Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?
• Which of the following will easily dissolve in a polar solvent?
• Which of the following statements about covalently bonded molecules is false?
• The lone pair electrons on oxygen in a H20 molecule
• Hydrogen bonds and hydrophilic interactions are types of
• Who discovered and described the blood groups (ABO) classification?
• Weak acids generally have pKa
• Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.
• The dissociation constant of H2O at 25° C is
• The pH of a solution is determined by
• Which of the following organic groups are found in naturally occuring amino acids?
• The reason that fats contain more energy than simple sugars, is fats have many more
• Buffer solutions
• Which of the following alcohols would be most soluble in water?
• H2O and CH4 are both examples of
• A solution with pH = 5 is __________ than a solution with pH = 7.
• What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7?
• Salt dissolves well in water as water molecules
• Which of the following statements about water is correct?
• The strength of an acid depends on