Indicate the correct option. Spinels can present the following formulas:a) AIIBIIIO4, AVIB2IIO4 and AVIB2IO4.b) Only AIIB2IIIO4.c) A2IIB3IIIO8.d) AIIBIIO2.
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Indicate the correct option. Spinels can present the following formulas:
a) AIIBIIIO4, AVIB2IIO4 and AVIB2IO4.
b) Only AIIB2IIIO4.
c) A2IIB3IIIO8.
d) AIIBIIO2.
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- 6)2. Run V (NH4)2S₂08 (mL) 20.00 20.00 10.00 5.00 20.00 15.00 1 2 3 4 5 6 [S₂082-] (mol/L) 0.04 0.04. 0.02 0.01 10.09 10.03. VKI (mL) 20.00 10.00 20.00 20.00 8.00 15.00 [1-] (mol/L) 0.08 0.07 0.08 0.08 0.032 V Na₂S₂03 (mL) 10.00 10.00 10.00 10.00 10.00 10.00 [S₂032-] (mol/L) 6.001 0.001 0.001 10.001 0.001 0.001 These calculated concentrations should be entered in the Data Table for this experiment for runs 1-6. To calculate the concentration of [12], use Equation (3) and the concentration of [S₂03²]. In a constant-temperature run described in the procedure section of this experiment, the solution turned blue in 50 s. a) Consider the concentration of [S₂032] in the mixed solution shown in the las column of the table from the previous exercise. Calculate the concentration c [12] final formed in this reaction. b) Calculate the rate of the reaction.app.101edu.co III CI F1 pusly.. O 2 W O: F2 IV H₂N 3 DII E NH₂ F3 Identify the monomer(s) used in the production of this polymer using a condensation process. NH₂ Be HO V Nylon-6,6 H₂N₂ Nylon-6,6 (shown below) is a polymer used in parachutes. ♫x $ 4 R F4 LOH ₁ % 5 F5 T Question 19 of 20 6 F6 Y F7 & 7 W U A) I (self-condensation) B) II and IV C) II and V PrtScn D) III and IV E) III and V F8 8 Home F9 9 End F10 O PgUp
- (4) Polybenzimidazoles are made by a two-stage step-growth melt polymerization: H2N- - NH2 -H20 H2N NH2 -фон What extent of reaction is needed to produce n = 200 in the above formula? Carry four decimal places in your answer.What are the correct reaction conditions for the following transformation? НО- ОН ОН ? ду ОН1. Polymers may be composed of thousands of monomers. Draw two repeat units of fluoroethene. Assume there are hydrogen atoms on the two ends of the dimer. Ignore stereochemistry. Ignore inorganic byproducts. A or Av AIBN (radical initiator) Drawing
- Ethandl i/evo/index.html?deploymentld%3D55750828934189288909969212&elSBN=9781305657571&snapshotld... MINDTAP Q Search this co Use the References to access important values if needed for this question. 900 800 Carbon disulfide 700 600 Methano 500 400 Heptane 300 200 100 0. 10 20 30 40 50 60 70 80 90 100 110- Temperature (C) The vapor pressure of chloroform is 400 mm Hg at 42.0 °C. From the plot of vapor pressures vs temperature above, estimate the temperature at which the vapor pressure of methanol is 400 mm Hg. °C The intermolecular forces in chloroform are v than the intermolecular forces in methanol. Vapor pressure (mm Hg)a) What is the functionality of TMP and AA, respectively b)i if you start with 2 mol of TMP and 3 mol of AA, will you be running into a risk forming a cross-linked polyester during polymerization, and why?Direction: Classify the following polymers whether linear, branched crosslinked, or networked structure. 1. a-d (а) (b) (c) (d) 2. CH2 = CH2 + CH2 = C W CH2- CH2 - CH2 - C- CH2 - CH2 W CH2 CH2 CH3 CH3 3. H H H H H H H H H H-C C C-C C C-C-H H H H H H H. H H 4. CH3 H3C CH3 CH3 CH3 (S)n H3C H3C CH3 CH3
- complete the synthetic schemeesc A common ketone starting material is shown below. Predict the major product for each reaction based on the reagents given. Ignore any inorganic byproducts. Select to Draw 1 I 1 CH3NH2, pH 4-5 9 16 > a 20 Select to Draw 1. NaBH4 2. H3O+ 000Molecular weight data for some polymer are tabulated here. Molecular Weight Xi Wi Range (g/mol) 19000 - 34000 0.04 0.01 34000 - 49000 0.07 0.04 49000 - 64000 0.16 0.11 64000 - 79000 0.26 0.24 79000 - 94000 0.24 0.27 94000 - 109000 0.12 0.16 109000 - 124000 0.08 0.12 124000- 139000 0.03 0.05 Compute the following: (a) the number-average molecular weight. M, i 72800 g/mol (b) the weight-average molecular weight. Mw i g/mol
