How much heat is involved when 4.1 moles of steam at 104°C is cooled to ice at -10°C? AHfus=6.01 kJ/mol
AHvap=40.7 kJ/mol

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.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

How is the atomic number of a nucleus changed by alpha decay