Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride methane argon gasoline (heptanes & octanes) sodium chloride methane argon gasoline (heptanes & octanes) ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 10 times more acidic 10 times more basic 100 times more acidic 2 times more basic 10 times more acidic 10 times more basic 100 times more acidic 2 times more basic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized The water molecule is asymmetric The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A compound that is capable of forming hydrogen bonds with water does not dissolve well in water should act as a good buffer for acids and bases is probably held together by noncovalent bonds contains at least some polar covalent bonds does not dissolve well in water should act as a good buffer for acids and bases is probably held together by noncovalent bonds contains at least some polar covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa pKa values greater than 2 been seldom found in living systems that cannot be used to buffer values less than 1 pKa values greater than 2 been seldom found in living systems that cannot be used to buffer values less than 1 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? Protein Phospholipid Strong base DNA Protein Phospholipid Strong base DNA ANSWER DOWNLOAD EXAMIANS APP