Answers: 3
Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
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 10:00
Drug abuse will not lead to physical and psychological dependence. true or false ?
Answers: 2
Reaction 2 occurs when an excess of 6 M HCl(aq) solution is added to 100. mL of NaOCL(aq) of unknown...
English, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57
English, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57
Mathematics, 20.06.2020 00:57