Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? methane argon gasoline (heptanes & octanes) sodium chloride methane argon gasoline (heptanes & octanes) sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by environmental effect relative concentration of acids and bases concentration of salt dielectric constant of the medium environmental effect relative concentration of acids and bases concentration of salt dielectric constant of the medium 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? 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 Polyprotic acids such as H3PO4, can act as acid-base buffers 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 at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by concentration of the conjugate base to the weak acid temperature of buffer components both (a) and (b) molar concentration of the buffer components concentration of the conjugate base to the weak acid temperature of buffer components both (a) and (b) molar concentration of the buffer components ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? It will act as a buffer and stabilize the pH It will form a membrane in water be repelled by water It will be attracted to water It will act as a buffer and stabilize the pH It will form a membrane in water be repelled by water It will be attracted to water ANSWER DOWNLOAD EXAMIANS APP