Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around neutrality if their concentration is kept low at pH values around any of their pKa's only in combination with polyprotic bases at pH values around neutrality if their concentration is kept low at pH values around any of their pKa's only in combination with polyprotic bases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of double bonds number of protons released electronegativity number of neutrons gain number of double bonds number of protons released electronegativity number of neutrons gain ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Imidazole All of these Guanidinium ion Indole Imidazole All of these Guanidinium ion Indole 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
EXAMIANS