What is the final chemical equation from the following intermediate chemical equations? p.06(s) p_(s)+30,(9) pe(s)+502(g) →p,0,0(5) p406(s) + 2o2(g) → p4010(s) p4o6(s)+8o2(g) → 2p4(s) + p4010(5) p406(s) +1502(g) → p4(s) + p4010(s) p406(s) + (5/3)o2(g) → p4010(s)

Based on the equation and the information in the table, what is the enthalpy of the reaction?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

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.