2na + cl2 → 2nacl in this chemical reaction a very reactive metal, sodium, combines with a poisonous gas and results in the formation of ordinary table salt. in the chemical reaction is the product.

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

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.

How does the viscosity of magma change as magma cools?