Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? argon sodium chloride methane gasoline (heptanes & octanes) argon sodium chloride methane gasoline (heptanes & octanes) ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? 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 Electrons are shared between the atoms that make up the molecule Noncovalent bonds may also be present, especially if the molecule is large 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 carbon atoms hydrogen bonds covalent bonds hydrogen atoms carbon atoms hydrogen bonds covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. highly reactive a hydronium ion its conjugate base its conjugate acid highly reactive a hydronium ion its conjugate base its conjugate acid 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 basic 2 times more basic 10 times more acidic 100 times more acidic 10 times more basic 2 times more basic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
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