Which statement describes the reactions in an electrochemical cell? 1.Oxidation occurs at the anode, and reduction occurs at the cathode.
2.Oxidation occurs at the cathode, and reduction occurs at the anode.
3.Oxidation and reduction both occur at the cathode.
4.Oxidation and reduction both occur at the anode.

What’s the percent by mass of carbon in c10h14n2

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

Is laundry detergent an acid or a base?