Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 x 10-7 5 x 10-7 1 x 10-7 7 7 x 10-7 5 x 10-7 1 x 10-7 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on electronegativity 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 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 dissociation constant of H2O at 25° C is 10-7 M 107 M 1014 M 10-14 M 10-7 M 107 M 1014 M 10-14 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions acids are polar molecules and bases are not bases donate hydrogen ions in water while acids accept hydrogen ions bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions acids are polar molecules and bases are not bases donate hydrogen ions in water while acids accept hydrogen ions 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? be repelled by water It will act as a buffer and stabilize the pH It will be attracted to water It will form a membrane in water be repelled by water It will act as a buffer and stabilize the pH It will be attracted to water It will form a membrane in water ANSWER DOWNLOAD EXAMIANS APP
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