MCAT High Yield questions n answers graded A+

MCAT High YieldWhen does pKa=pH? - correct answer when there are an equal amount of Hs and OHs How does volume in a thermometer expand? - correct answer it must have a larger volume expansion coefficient to fluctuate with temperature Two amino acids linking together make a ____ bond - correct answer peptide Fischer esterification - correct answer forms an ester (COOR) involves reacting an acid and alcohol with a COOH to form an ester a protecting group does what? - correct answer reduces nucleophilicity of the group that it is protecting oxidizing agent - correct answer it oxidizes another species but becomes reduced itself in the process In an electrochemical cell oxidation occurs at the _____ and reduction occurs at the _____. So electron flow is from ____ to_____. - correct answer anode, cathode anode to cathode Eocell is calculated how? - correct answer E reduction potential at cathode- E reduction potential at anode charge on an cathode? - correct answer the charge is negative because it attracts cations