Water, pH and Macromolecules The pH of a solution is determined by relative concentration of acids and bases environmental effect dielectric constant of the medium concentration of salt relative concentration of acids and bases environmental effect dielectric constant of the medium concentration of salt 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 Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. highly reactive its conjugate base its conjugate acid a hydronium ion highly reactive its conjugate base its conjugate acid a hydronium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around neutrality only in combination with polyprotic bases at pH values around any of their pKa's if their concentration is kept low at pH values around neutrality only in combination with polyprotic bases at pH values around any of their pKa's if their concentration is kept low ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these ANSWER DOWNLOAD EXAMIANS APP
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