Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers 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 at pH values around neutrality if their concentration is kept low at pH values around any of their pKa's ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride argon methane gasoline (heptanes & octanes) sodium chloride argon methane gasoline (heptanes & octanes) ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 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 2 times more basic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by concentration of salt relative concentration of acids and bases environmental effect dielectric constant of the medium concentration of salt relative concentration of acids and bases environmental effect dielectric constant of the medium ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon can all form covalent bonds with other elements are common elements in the molecules that make up living organisms All of these contain protons and neutrons in their atomic nuclei can all form covalent bonds with other elements are common elements in the molecules that make up living organisms All of these contain protons and neutrons in their atomic nuclei ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate ANSWER DOWNLOAD EXAMIANS APP
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