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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 Π½ΠΎ reagent a 2. Π½,ΠΎ" thΠΎ oh Π½ΠΎΠ½-Ρ compound a. compound b. compound c .ch-ΠΎh 1. reagent b "ΡΠ½ΠΎ 2. reagent c Ρh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 13:10
What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction
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Chemistry, 22.06.2019 18:30
What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml
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Chemistry, 22.06.2019 20:30
Consider the following unbalanced equation for the combustion of hexane: Ξ±c6h14(g)+Ξ²o2(g)βΞ³co2(g)+Ξ΄h2o(g) part a balance the equation. give your answer as an ordered set of numbers Ξ±, Ξ², Ξ³, use the least possible integers for the coefficients. Ξ± Ξ± , Ξ², Ξ³, Ξ΄ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback
Answers: 2
A sample of neon initially has a volume of 2.50 L at 15 degrees Celsius. What is final temperature,...
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