Water, pH and Macromolecules Salt dissolves well in water as water molecules surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions make nonpolar covalent bonds with the positively charged ions only share electrons with the ions to make polar covalent bonds surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions make nonpolar covalent bonds with the positively charged ions only share electrons with the ions to make polar covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? argon gasoline (heptanes & octanes) methane sodium chloride argon gasoline (heptanes & octanes) methane sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions will always have a pH of 7 cause a decrease in pH when acids are added to them. are rarely found in living systems tend to maintain a relatively constant pH. will always have a pH of 7 cause a decrease in pH when acids are added to them. are rarely found in living systems tend to maintain a relatively constant pH. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. a hydronium ion its conjugate base its conjugate acid highly reactive a hydronium ion its conjugate base its conjugate acid highly reactive ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on electronegativity number of neutrons gain number of protons released number of double bonds electronegativity number of neutrons gain number of protons released number of double bonds ANSWER DOWNLOAD EXAMIANS APP
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