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
Water, pH and Macromolecules The strength of an acid depends on electronegativity number of protons released number of neutrons gain number of double bonds electronegativity number of protons released number of neutrons gain number of double bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain 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 oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 107 M 10-7 M 1014 M 10-14 M 107 M 10-7 M 1014 M 10-14 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. its conjugate acid a hydronium ion its conjugate base highly reactive its conjugate acid a hydronium ion its conjugate base highly reactive ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
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