Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen bonds hydrogen atoms covalent bonds carbon atoms hydrogen bonds hydrogen atoms 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 Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong Such molecules often result from the interaction of ionized atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by both (a) and (b) temperature of buffer components molar concentration of the buffer components concentration of the conjugate base to the weak acid both (a) and (b) temperature of buffer components molar concentration of the buffer components concentration of the conjugate base to the weak acid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 1014 M 10-14 M 10-7 M 107 M 1014 M 10-14 M 10-7 M 107 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. ionic hydrogen covalent noncovalent ionic hydrogen covalent noncovalent ANSWER DOWNLOAD EXAMIANS APP
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