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 Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong Such molecules often result from the interaction of ionized atoms Electrons are shared between the atoms that make up the molecule Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong Such molecules often result from the interaction of ionized atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and a phosphate nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar oxygen and a phosphate nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A compound that is capable of forming hydrogen bonds with water should act as a good buffer for acids and bases contains at least some polar covalent bonds is probably held together by noncovalent bonds does not dissolve well in water should act as a good buffer for acids and bases contains at least some polar covalent bonds is probably held together by noncovalent bonds does not dissolve well in water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 10-14 M 1014 M 107 M 10-7 M 10-14 M 1014 M 107 M 10-7 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. a hydronium ion highly reactive its conjugate base its conjugate acid a hydronium ion highly reactive its conjugate base its conjugate acid ANSWER DOWNLOAD EXAMIANS APP
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