Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. its conjugate base highly reactive a hydronium ion its conjugate acid its conjugate base highly reactive a hydronium ion its conjugate acid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal? Haldanes equation Michaelis-Menten equation Hardy-Windberg law Henderson-Hasselbalch equation Haldanes equation Michaelis-Menten equation Hardy-Windberg law Henderson-Hasselbalch equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? methanol octanol ethanol butanol methanol octanol ethanol butanol 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? 1 x 10-7 7 x 10-7 5 x 10-7 7 1 x 10-7 7 x 10-7 5 x 10-7 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? Electrons are shared between the atoms that make up the molecule Noncovalent bonds may also be present, especially if the molecule is large Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Noncovalent bonds may also be present, especially if the molecule is large Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong ANSWER DOWNLOAD EXAMIANS APP
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