Answers: 1
Chemistry, 22.06.2019 07:30
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.
Answers: 2
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Por que es tan sorprendente que los atomos se agrupen?...
Mathematics, 20.05.2021 17:00
Social Studies, 20.05.2021 17:00
Social Studies, 20.05.2021 17:00
Biology, 20.05.2021 17:00
History, 20.05.2021 17:00
Health, 20.05.2021 17:00
Mathematics, 20.05.2021 17:00
English, 20.05.2021 17:00
Mathematics, 20.05.2021 17:00