Buffer solutions will always have a pH of 7 cause a decrease in pH when acids are added to them. are rarely found in living systems tend to maintain a relatively constant pH. TRUE ANSWER : ? YOUR ANSWER : ?
The pH of a solution is determined by environmental effect dielectric constant of the medium relative concentration of acids and bases concentration of salt TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements about water is correct? It is critical for many of the chemical processes found in living systems All of these Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following organic groups are found in naturally occuring amino acids? All of these Imidazole Indole Guanidinium ion TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following alcohols would be most soluble in water? ethanol butanol methanol octanol TRUE ANSWER : ? YOUR ANSWER : ?
Salt dissolves well in water as water molecules 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 TRUE ANSWER : ? YOUR ANSWER : ?
Who discovered and described the blood groups (ABO) classification? Karl Hooper Otto Warburg Theodor Kocher Karl Landsteiner TRUE ANSWER : ? YOUR ANSWER : ?
The dissociation constant of H2O at 25° C is 1014 M 107 M 10-7 M 10-14 M TRUE ANSWER : ? YOUR ANSWER : ?
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. noncovalent ionic covalent hydrogen TRUE ANSWER : ? YOUR ANSWER : ?