For the reaction shown, identify the oxidation half-reaction and the reduction half-reaction. KNO3 → KNO2 + O2
Which pair of half-reactions represents the balanced half-reactions?
o
N5+ + 2e →N3+
02
→02 + 4e
O 2N5+ + 4e → 2N3+
202- → 02 + 4e
4N5 + 2e → 4N3+
202 → 202 + 4e

Which best describes how johannes kepler developed his laws of planetary motion

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.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?