A common reaction is the formation of butyric acid from butyl alcohol. Butyric acid is what causes the odor of rancid
butter. Balance the equation for the oxidation of butyl alcohol.

C₂ H₂OH +O₂ - C4H₂O₂H + H₂O

What is the maximum number of electrons that an atomic orbital can contain?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.