Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 1 x 10-7 7 x 10-7 7 5 x 10-7 1 x 10-7 7 x 10-7 7 5 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The water molecule is asymmetric The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The water molecule is asymmetric 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 is probably held together by noncovalent bonds should act as a good buffer for acids and bases does not dissolve well in water contains at least some polar covalent bonds is probably held together by noncovalent bonds should act as a good buffer for acids and bases does not dissolve well in water contains at least some polar covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 10-7 M 107 M 10-14 M 1014 M 10-7 M 107 M 10-14 M 1014 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride argon gasoline (heptanes & octanes) methane sodium chloride argon gasoline (heptanes & octanes) methane ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa values less than 1 been seldom found in living systems that cannot be used to buffer pKa values greater than 2 values less than 1 been seldom found in living systems that cannot be used to buffer pKa values greater than 2 ANSWER DOWNLOAD EXAMIANS APP
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