Water, pH and Macromolecules The pH of a solution is determined by 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 concentration of salt ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon contain protons and neutrons in their atomic nuclei All of these are common elements in the molecules that make up living organisms can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei All of these are common elements in the molecules that make up living organisms can all form covalent bonds with other elements ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa that cannot be used to buffer been seldom found in living systems values less than 1 pKa values greater than 2 that cannot be used to buffer been seldom found in living systems values less than 1 pKa values greater than 2 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
Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 5 x 10-7 1 x 10-7 7 x 10-7 7 5 x 10-7 1 x 10-7 7 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
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