Water, pH and Macromolecules Buffer solutions cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 1014 M 10-7 M 10-14 M 107 M 1014 M 10-7 M 10-14 M 107 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms hydrogen atoms covalent bonds hydrogen bonds carbon atoms hydrogen atoms covalent bonds hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by temperature of buffer components concentration of the conjugate base to the weak acid both (a) and (b) molar concentration of the buffer components temperature of buffer components concentration of the conjugate base to the weak acid both (a) and (b) molar concentration of the buffer components ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? Nonpolar substances like oils are not soluble in it All of these It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it All of these 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 Which of the following organic groups are found in naturally occuring amino acids? Guanidinium ion Indole Imidazole All of these Guanidinium ion Indole Imidazole All of these ANSWER DOWNLOAD EXAMIANS APP
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