Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen atoms hydrogen bonds carbon atoms covalent bonds hydrogen atoms hydrogen bonds carbon atoms covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 10 times more basic 10 times more acidic 2 times more basic 100 times more acidic 10 times more basic 10 times more acidic 2 times more basic 100 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions will always have a pH of 7 tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon All of these can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms All of these can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule 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 carry a partial negative charge are not important for the properties of water form covalent bonds in ice ANSWER DOWNLOAD EXAMIANS APP
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