Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon are common elements in the molecules that make up living organisms can all form covalent bonds with other elements All of these contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms can all form covalent bonds with other elements All of these contain protons and neutrons in their atomic nuclei ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa been seldom found in living systems that cannot be used to buffer values less than 1 pKa values greater than 2 been seldom found in living systems that cannot be used to buffer values less than 1 pKa values greater than 2 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules require an enzyme in all cases are independent of the functional groups All of these are the reactions of the functional groups require an enzyme in all cases are independent of the functional groups All of these are the reactions of the functional groups 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 dissociation constant of H2O at 25° C is 107 M 10-14 M 10-7 M 1014 M 107 M 10-14 M 10-7 M 1014 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on electronegativity number of protons released number of double bonds number of neutrons gain electronegativity number of protons released number of double bonds number of neutrons gain ANSWER DOWNLOAD EXAMIANS APP
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