NUMBER 4 PLS
...
Answers: 3
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
Answers: 1
Chemistry, 22.06.2019 17:20
Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
Answers: 2
History, 03.04.2020 01:59
Mathematics, 03.04.2020 01:59
Mathematics, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00
History, 03.04.2020 02:00
World Languages, 03.04.2020 02:00
History, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00
Arts, 03.04.2020 02:00
Mathematics, 03.04.2020 02:00