Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Otto Warburg Karl Hooper Theodor Kocher Karl Landsteiner Otto Warburg Karl Hooper Theodor Kocher Karl Landsteiner ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. a hydronium ion its conjugate acid highly reactive its conjugate base a hydronium ion its conjugate acid highly reactive its conjugate base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by 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 environmental effect ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge form covalent bonds in ice carry a partial negative charge are not important for the properties of water carry a partial positive charge form covalent bonds in ice carry a partial negative charge are not important for the properties of water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions will always have a pH of 7 are rarely found in living systems tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. will always have a pH of 7 are rarely found in living systems tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. ANSWER DOWNLOAD EXAMIANS APP
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