Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? methane sodium chloride argon gasoline (heptanes & octanes) methane sodium chloride argon gasoline (heptanes & octanes) 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 The reason that fats contain more energy than simple sugars, is fats have many more hydrogen atoms hydrogen bonds covalent bonds carbon atoms hydrogen atoms hydrogen bonds covalent bonds carbon atoms ANSWER DOWNLOAD EXAMIANS APP
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 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 Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 10 times more acidic 2 times more basic 10 times more basic 100 times more acidic 10 times more acidic 2 times more basic 10 times more basic 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 It is critical for many of the chemical processes found in living systems All of these Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it It is critical for many of the chemical processes found in living systems All of these Nonpolar substances like oils are not soluble in it ANSWER DOWNLOAD EXAMIANS APP
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