From the lists of available reagents select the one(s) you would use to in a preparation of acetophenone (phenyl methyl ketone) from methyl benzoate. (In no case are more than three steps necessary.) Reagents Available a. CH COCI, AICI, d. CH CHO g. Mg 1. SOCI b. (CH3),Culi e. Hg(OC), H, Othen NaBH4 h. NaOH, H2O C. CH, MgBr, then H30* . KMnO4 H20 i. Dess-Martin periodinane List reagents by letter in the order that they are used; example:

Reagents used:

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.

How can the periodic table be used to predict the behavior of elements?