Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these H2PO4-/HPO42- Histidine+/histidine H2CO3/HCO3- All of these H2PO4-/HPO42- Histidine+/histidine H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen bonds hydrogen atoms covalent bonds carbon atoms hydrogen bonds hydrogen atoms covalent bonds carbon atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on 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 electronegativity ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 10-14 M 107 M 10-7 M 1014 M 10-14 M 107 M 10-7 M 1014 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 The pH of a solution is determined by environmental effect dielectric constant of the medium relative concentration of acids and bases concentration of salt environmental effect dielectric constant of the medium relative concentration of acids and bases concentration of salt ANSWER DOWNLOAD EXAMIANS APP
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