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 What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 x 10-7 7 1 x 10-7 5 x 10-7 7 x 10-7 7 1 x 10-7 5 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Indole Imidazole All of these Guanidinium ion Indole Imidazole All of these Guanidinium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? argon methane sodium chloride gasoline (heptanes & octanes) argon methane sodium chloride gasoline (heptanes & octanes) ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Salt dissolves well in water as water molecules make nonpolar covalent bonds with the positively charged ions only share electrons with the ions to make polar covalent bonds form hydrogen bonds with the positively and negatively charged ions surround the ions because of their charge but do not form hydrogen bonds make nonpolar covalent bonds with the positively charged ions only share electrons with the ions to make polar covalent bonds form hydrogen bonds with the positively and negatively charged ions surround the ions because of their charge but do not form hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on electronegativity number of double bonds number of protons released number of neutrons gain electronegativity number of double bonds number of protons released number of neutrons gain ANSWER DOWNLOAD EXAMIANS APP