Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 107 M 1014 M 10-14 M 10-7 M 107 M 1014 M 10-14 M 10-7 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 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 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of weak chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. noncovalent hydrogen covalent ionic noncovalent hydrogen covalent ionic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule are not important for the properties of water carry a partial positive charge carry a partial negative charge form covalent bonds in ice are not important for the properties of water carry a partial positive charge carry a partial negative charge form covalent bonds in ice ANSWER DOWNLOAD EXAMIANS APP