When one atom of hydrogen (h) combines with one atom of chlorine (ci), a polar covalent bond forms between the h and the more electronegative cl, resulting in a molecule of hci. which of the following describes the arrangement of valence electrons in a bond between h and ci?

How many miles of water are produced if 5.43 mol pbo2 are consumed

0.09 moles of sodium sulfate in 12 ml of solution

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.