SOLVE Write the ratio of coefficients necessary to balance each chemical equation.
For the chemical equation: H20 H2+ O2 The coefficients for the
balanced equation are
H,0— :
H, +
O

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 many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest