Water, pH and Macromolecules Salt dissolves well in water as water molecules make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions share electrons with the ions to make polar covalent bonds make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions share electrons with the ions to make polar covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Karl Landsteiner Theodor Kocher Otto Warburg Karl Hooper Karl Landsteiner Theodor Kocher Otto Warburg Karl Hooper ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of protons released electronegativity number of double bonds number of neutrons gain number of protons released electronegativity number of double bonds number of neutrons gain ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. its conjugate base a hydronium ion highly reactive its conjugate acid its conjugate base a hydronium ion highly reactive its conjugate acid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules are independent of the functional groups require an enzyme in all cases All of these are the reactions of the functional groups are independent of the functional groups require an enzyme in all cases All of these are the reactions of the functional groups 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 7 x 10-7 5 x 10-7 1 x 10-7 7 7 x 10-7 5 x 10-7 1 x 10-7 ANSWER DOWNLOAD EXAMIANS APP