Water, pH and Macromolecules 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? Michaelis-Menten equation Hardy-Windberg law Henderson-Hasselbalch equation Haldanes equation Michaelis-Menten equation Hardy-Windberg law Henderson-Hasselbalch equation Haldanes equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 107 M 1014 M 10-7 M 10-14 M 107 M 1014 M 10-7 M 10-14 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? methanol octanol ethanol butanol methanol octanol ethanol butanol ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The covalent bonds in water are highly polarized The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The covalent bonds in water are highly polarized ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers if their concentration is kept low only in combination with polyprotic bases at pH values around any of their pKa's at pH values around neutrality if their concentration is kept low only in combination with polyprotic bases at pH values around any of their pKa's at pH values around neutrality ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP