Chemistry, 24.11.2021 01:00 chayaharroch03
Bacteria are blank and they fall into two major categories: the kingdom Eubacteria and the kingdom Archaebacteria
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Chemistry, 21.06.2019 22:20
Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes
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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 20:30
What is a difference between a mixture of elements and a mixture of compounds
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Chemistry, 23.06.2019 01:00
If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Bacteria are blank and they fall into two major categories: the kingdom Eubacteria and the kingdom A...
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