Chemistry, 16.01.2020 04:31 sugeilochoa
Achicken farmer stores all of the chicken manure from his farm in large piles next to the river. throughout the
spring and summer, the piles of manure are exposed to rain and wind. the farmer finally removes the manure in
the fall. what two types of pollution are demonstrated in this real world example?
toxic
sediment
nutrient
bacterial
Answers: 3
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, 23.06.2019 00:00
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
Answers: 1
Chemistry, 23.06.2019 09:30
What is the best describtion of the side of the moon that faces earth?
Answers: 2
Chemistry, 23.06.2019 10:00
1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh −→ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.
Answers: 1
Achicken farmer stores all of the chicken manure from his farm in large piles next to the river. thr...
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