need help on how to find limiting reagent in tamoxifen and % yeild? 1-Bromo-1-phenylpropyl = 2.62g  Mg= 0.032g ketone= 3.23g tamoxifen= 3.97g actual yeild 5.37g crude product

Answer number 2

mmol of 1,3-dibenzoylpropane used to 4 sig. fig  Used: 405 mg molecular weight: 252.31 g/mol

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Please show products or reagents Please answer very soon will give rating surely All questions answers needed

← Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. HH H H HO: :O: Select to Add Arrows H neutralizing workun Li → Li O Select to Add Arrows 1 Н HAIGH Al. н 'Н Li HO: :0: Select to Add Arrows Li Ⓒ Li O H Li O I Select to Add Arrows I H HI | I I I Problem 39 of 40 Please select a drawing or reagent from the question area Submit

If Compound Y is characterized by having a melting point of 124°C under normal atmospheric pressure. Determine which of the following samples (VWXY) is high likely to contain the highest % of Compound Y? Sample W (114-122°C) Sample V (126-131°C) Sample Y (121-123°C Sample X (119-120°C)

CH3 Br2 [0] A -H2O NH3 NaOH -NaBr FeBr3 D Cu,180°C CH3 Br2 Mg CH3CH-O -B H,O [0]. C -D- E FeBr3 efir efir H* 8. CH;CHCH2CH2OH FS04 #so) -1)03 2)H0 -H;O2 H30 Al-O3 CH3 CH;MgJ CH5J H,O [H, Hg 2КОН 9. Br2 CH;CH=CH, spirt meh.

4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and digestive system. The disease pellagra results from a severe niacin deficiency. Niacin has the following formula: C6HSNO2. Often tablets contain vitamin B3 in the form of niacinamide, C&H&N2O, which is easier to absorb. a. A vitamin tablet contains 100 mg of niacinamide. What mass of niacin contains an equivalent number of moles as 100 mg of niacinamide? b. What is the Recommended Daily Intake (RDI) for niacin? C. Create a list of foods that contain niacin. d. What is pellagra? What are the consequences of ingesting too MUCH niacin?

Part B CH3 CH3OCCH3 CH3 Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. O H* EXP. CONT. H S CI Br „CH3 0=s-ÖH H3C° H,C `CH3 F [1] A P.