Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. ionic noncovalent hydrogen covalent ionic noncovalent hydrogen covalent ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by temperature of buffer components molar concentration of the buffer components concentration of the conjugate base to the weak acid both (a) and (b) temperature of buffer components molar concentration of the buffer components concentration of the conjugate base to the weak acid both (a) and (b) 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 2 times more basic 100 times more acidic 10 times more acidic 10 times more basic 2 times more basic 100 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality 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? 5 x 10-7 7 7 x 10-7 1 x 10-7 5 x 10-7 7 7 x 10-7 1 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules require an enzyme in all cases All of these are independent of the functional groups are the reactions of the functional groups require an enzyme in all cases All of these are independent of the functional groups are the reactions of the functional groups ANSWER DOWNLOAD EXAMIANS APP