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 Which of the following will easily dissolve in a polar solvent? methane gasoline (heptanes & octanes) argon sodium chloride methane gasoline (heptanes & octanes) argon sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more covalent bonds carbon atoms hydrogen atoms hydrogen bonds covalent bonds carbon atoms hydrogen atoms hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? All of these Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it All of these Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by both (a) and (b) temperature of buffer components concentration of the conjugate base to the weak acid molar concentration of the buffer components both (a) and (b) temperature of buffer components concentration of the conjugate base to the weak acid molar concentration of the buffer components ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS