MCAT High Yield | Questions with 100% correct Answers | Verified

When does pKa=pH? - when there are an equal amount of Hs and OHs How does volume in a thermometer expand? - it must have a larger volume expansion coefficient to fluctuate with temperature Two amino acids linking together make a ____ bond - peptide Fischer esterification - forms an ester (COOR) involves reacting an acid and alcohol with a COOH to form an ester a protecting group does what? - reduces nucleophilicity of the group that it is protecting oxidizing agent - 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_____. - anode, cathode anode to cathode Eocell is calculated how? - E reduction potential at cathode- E reduction potential at anode charge on an cathode? - the charge is negative because it attracts cations charge on an anode? - the charge is positive because it attracts anionsWhat is the molecular weight of each peptide bond formed? - 18