Chemistry, 28.07.2019 15:00 kyronthomas52
Ireally need : ( what properties do metalloids display, and where are metalloids found on the periodic table?
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Chemistry, 22.06.2019 05:30
Describe the interaction that occurs between two objects with the same electrical charge.
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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.
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Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 22.06.2019 14:30
Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
Answers: 3
Ireally need : ( what properties do metalloids display, and where are metalloids found on the perio...
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