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? Haldanes equation Hardy-Windberg law Henderson-Hasselbalch equation Michaelis-Menten equation Haldanes equation Hardy-Windberg law Henderson-Hasselbalch equation Michaelis-Menten equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge ANSWER DOWNLOAD EXAMIANS APP
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 5 x 10-7 7 7 x 10-7 1 x 10-7 5 x 10-7 7 7 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? gasoline (heptanes & octanes) argon sodium chloride methane gasoline (heptanes & octanes) argon sodium chloride methane ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 2 times more basic 10 times more basic 100 times more acidic 10 times more acidic 2 times more basic 10 times more basic 100 times more acidic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. are rarely found in living systems will always have a pH of 7 cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. are rarely found in living systems will always have a pH of 7 ANSWER DOWNLOAD EXAMIANS APP